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XCON O. Levin
Internet-Draft Microsoft Corporation
Expires: April 27, 2006 R. Even
Polycom
P. Hagendorf
RADVISION
October 24, 2005
Centralized Conference Control Protocol (CCCP)
draft-levin-xcon-cccp-03
Status of this Memo
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Copyright Notice
Copyright (C) The Internet Society (2005).
Abstract
This document defines a Centralized Conferencing Control Protocol
(CCCP) as a part of the XCON Working Group protocols suite. CCCP
uses a client-server model for creation, querying, and manipulation
of XCON entities, conference objects and sub-objects. An XCON
entity, which implements a CCCP server, provides a means for
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authorized CCCP clients (e.g. conference participants) to affect the
behavior of a conference in the XCON system.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 4
3. Transport . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. The Protocol . . . . . . . . . . . . . . . . . . . . . . . . . 4
4.1. Transaction Model . . . . . . . . . . . . . . . . . . . . 4
4.2. Multiple Primitives in a Single Operation . . . . . . . . 5
4.3. Response Codes and Failures . . . . . . . . . . . . . . . 6
5. Using the Data Model . . . . . . . . . . . . . . . . . . . . . 6
6. Primitives . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6.1. System Primitives . . . . . . . . . . . . . . . . . . . . 7
6.1.1. Cancel . . . . . . . . . . . . . . . . . . . . . . . . 7
6.1.2. Ping . . . . . . . . . . . . . . . . . . . . . . . . . 8
6.1.3. getTemplates . . . . . . . . . . . . . . . . . . . . . 8
6.1.4. getActiveConferences . . . . . . . . . . . . . . . . . 9
6.2. Conference Primitives . . . . . . . . . . . . . . . . . . 9
6.2.1. addConference . . . . . . . . . . . . . . . . . . . . 9
6.2.2. modifyConference . . . . . . . . . . . . . . . . . . . 11
6.2.3. deleteConference . . . . . . . . . . . . . . . . . . . 12
6.2.4. getConference . . . . . . . . . . . . . . . . . . . . 13
6.3. User Primitives . . . . . . . . . . . . . . . . . . . . . 14
6.3.1. addUser . . . . . . . . . . . . . . . . . . . . . . . 14
6.3.2. modifyUser . . . . . . . . . . . . . . . . . . . . . . 15
6.3.3. modifyUserRoles . . . . . . . . . . . . . . . . . . . 16
6.3.4. deleteUser . . . . . . . . . . . . . . . . . . . . . . 17
6.3.5. getUser . . . . . . . . . . . . . . . . . . . . . . . 18
6.4. Endpoint Primitives . . . . . . . . . . . . . . . . . . . 19
6.4.1. addEndpoint . . . . . . . . . . . . . . . . . . . . . 19
6.4.2. modifyEndpoint . . . . . . . . . . . . . . . . . . . . 20
6.4.3. deleteEndpoint . . . . . . . . . . . . . . . . . . . . 21
6.4.4. getEndpoint . . . . . . . . . . . . . . . . . . . . . 22
6.5. Endpoint Media Primitives . . . . . . . . . . . . . . . . 24
6.5.1. addEndpointMedia . . . . . . . . . . . . . . . . . . . 24
6.5.2. modifyEndpointMedia . . . . . . . . . . . . . . . . . 25
6.5.3. deleteEndpointMedia . . . . . . . . . . . . . . . . . 25
6.5.4. getEndpointMedia . . . . . . . . . . . . . . . . . . . 26
6.6. Sidebar Primitives . . . . . . . . . . . . . . . . . . . . 27
6.6.1. addSidebar . . . . . . . . . . . . . . . . . . . . . . 27
6.6.2. modifySidebar . . . . . . . . . . . . . . . . . . . . 28
6.6.3. deleteSidebar . . . . . . . . . . . . . . . . . . . . 28
6.6.4. addUserToSidebar . . . . . . . . . . . . . . . . . . . 28
6.6.5. deleteUserFromSidebar . . . . . . . . . . . . . . . . 28
6.6.6. moveUserBetweenSidebars . . . . . . . . . . . . . . . 28
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6.7. Stimulus Primitives . . . . . . . . . . . . . . . . . . . 28
7. The XML Schema . . . . . . . . . . . . . . . . . . . . . . . . 28
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 47
8.1. URN Sub-Namespace Registration for
urn:ietf:params:xml:ns:cccp . . . . . . . . . . . . . . . 47
8.2. XML Schema Registration . . . . . . . . . . . . . . . . . 48
9. Security Considerations . . . . . . . . . . . . . . . . . . . 48
10. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 48
11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 49
11.1. Normative References . . . . . . . . . . . . . . . . . . . 49
11.2. Informative References . . . . . . . . . . . . . . . . . . 49
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 50
Intellectual Property and Copyright Statements . . . . . . . . . . 51
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1. Introduction
The SIPPING Conference Framework [6] describes a general centralized
conferencing architecture. The XCON Framework [7] defines how this
architecture can be realized by an XCON compliant system. This
document defines a Centralized Conferencing Control Protocol (CCCP)
as a conference control protocol in the XCON protocols suite
described in XCON Framework [7].
CCCP uses a client-server model for creation, querying, and
manipulation of XCON entities, conference objects and sub-objects.
By implementing a CCCP server, an XCON entity provides a means for
authorized CCCP clients (e.g. conference participants) to affect the
behavior of a conference in the XCON system. CCCP is a semantic-
oriented protocol, which uses the XML types defined in the SIPPING
Conference Package [2] for the representation of the conference
object and its sub-objects . In future, the CCCP can be extended to
include manipulations on additional conferencing objects being
represented by XML schemas such as policies and templates.
2. Terminology
In this document, the key words "MUST", "MUST NOT", "REQUIRED",
"SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT
RECOMMENDED", "MAY", and "OPTIONAL" are to be interpreted as
described in BCP 14, RFC 2119 [1] and indicate requirement levels for
compliant implementations.
3. Transport
The protocol design assumes that CCCP runs on a reliable transport
protocol.
CCCP is agnostic to the details of the transport protocol being used
beneath and does not rely on any information being conveyed on the
transport level. This model allows for using different transport
protocols based on the system requirements and also for multiplexing
otherwise independent CCCP communications over a common transport
channel.
4. The Protocol
4.1. Transaction Model
CCCP is a client-server protocol. The protocol defines two
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operations: request and response.
A client issues requests to a server. The server MUST reply with a
single final response. Two final responses are defined: "failure"
and "success".
Before issuing the final response, the server MAY reply with multiple
provisional responses. Currently a single provisional response
"pending" is defined.
Editor's Note: Timeouts TBD.
A CCCP request carries the following attributes:
requestId: A unique string generated by the CCCP client across all
its requests.
from: A transport URI which identifies the CCCP client.
to: A transport URI which identifies the CCCP server.
originator: A trusted ID of the originator of the request.
The combination of the 'requestId', 'to', and 'from' attributes in
the request constitutes the CCCP transaction ID.
A CCCP response carries the following attributes:
requestId: The original request ID generated by the client and
echoed as is by the server.
from: A transport URI which identifies the CCCP server.
to: A transport URI which identifies the CCCP client.
code: The general response code: success, pending, or failure.
reason: The general CCCP failure reason.
timeout: The updated timeout used with pending responses (details
TBD).
retryAfter: The suggested delay used with serverBusy responses.
4.2. Multiple Primitives in a Single Operation
A CCCP operation (i.e. a request and a corresponding response) MAY
contain multiple primitives. The CCCP MUST process the received
primitives one-by-one in the order they appear in the request body.
If the request contains multiple primitives, the corresponding
response operation MUST contain the response primitive for each and
in the same order as in the request.
Multiple primitives within the same request MUST be executed as an
atomic operation. This means that if one primitive fails, the state
of the object MUST be rolled back to its state before processing the
request.
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If a CCCP server is not willing to process a multi-primitive request,
it MUST fail the transaction with the response code "notSupported".
4.3. Response Codes and Failures
CCCP defines the following reasons for failure of a request operation
:
serverBusy: Optional retryAfter can be included in the response.
timeout: Operation took too long and was aborted by the server.
unauthorized: Client is not authorized to perform the operation.
requestMalformed: The XML document in the request is either not
well-formed or not compliant with the schema.
requestTooLarge: Result of the request operation length check.
requestCancelled: The pending request was canceled by CCCP.
notSupported: One of the primitives or their combination is not
supported by the server.
otherFailure: Result of any other server fault condition.
Most CCCP primitives define their own optional response codes. This
allows communicating the detailed primitive result in addition to the
CCCP general response code.
5. Using the Data Model
The CCCP operations are applied to the data objects expressed in
terms of SIPPING Conference Package [2] XML types whenever possible.
The considerations listed below MUST be taken into account when using
the schema with CCCP.
The information included in the request expresses the desired data
object state to be achieved after the operation is successfully
completed. By definition, the CCCP primitives allow for inclusion of
any information that can be expressed in terms of the conference-type
and its sub-types.
Attributes 'state' and 'version' of the conference-type and its sub-
types are never used with CCCP. The information in the response is
provided as a feedback to the request only and typically doesn't
carry the full state of the object.
For each primitive request, the CCCP explicitly defines (see
Section 6) what information (i.e. attributes and elements) MUST be
provided by the client and what information (when provided by the
client) MUST NOT be ignored by the server. The rest of the
information included by the client MAY be treated as optional by the
server.
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For each primitive response, the CCCP explicitly defines (see
Section 6) what information (i.e. attributes and elements) if
included by the server MUST NOT be ignored by the client. The rest
of the information included by the client MAY be treated as optional
by the server. If neither mandatory information nor new data is
generated, the server MAY return minimum schema compliant construct,
such as an element with empty body and the attributes identifying the
corresponding request only. On the other hand, the CCCP server MAY
include any rich dynamically generated information to the client (for
example, to be displayed to a user or be logged in by the system) in
the response. The client MAY ignore any information received in the
response, unless stated otherwise in Section 6.
6. Primitives
This section describes the defined CCCP primitives and includes valid
XML document examples for each. The corresponding CCCP XML schema is
provided in Section 7.
6.1. System Primitives
6.1.1. Cancel
Cancel a pending request.
This primitive can be issued by a client to cancel a pending
transaction. The primitive is an independent transaction on its own.
The body of the primitive MUST carry the requestId of one of the
pending requests.
<request
requestId="10"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<cancel>
<requestId>5</requestId>
</cancel>
</request>
Note that a valid response can contain an empty body.
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<response
requestId="10"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<cancel/>
</response>
6.1.2. Ping
Ping a CCCP Server.
<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<ping/>
</request>
A successful response is shown below.
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<ping/>
</response>
6.1.3. getTemplates
Get the list of templates supported by the system.
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XML TBD.
6.1.4. getActiveConferences
Get the list of conference identifiers for active conference objects
in the system.
XML TBD.
6.2. Conference Primitives
6.2.1. addConference
Create a conference.
The 'conferenceEntity' value in the request is a client's suggestion
only. The CCCP server MAY replace the suggested value with a
different 'conferenceEntity' value in the corresponding response.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<addConference>
<conference-info
entity="sip:McuConf1@company.com"
xmlns="urn:ietf:params:xml:ns:conference-info">
<conference-description>
<subject>Design Review</subject>
<conf-uris>
<entry>
<uri>tel:+1-8666119036</uri>
<display-text>FFD bridge</display-text>
</entry>
</conf-uris>
<service-uris>
<entry>
<uri>https://company.com/ConfServer</uri>
</entry>
</service-uris>
<available-media>
<entry label="1">
<type>audio</type>
</entry>
</available-media>
</conference-description>
</conference-info>
</addConference>
</request>
The CCCP server MAY replace the suggested 'conferenceEntity' with a
different value in the corresponding response. In the case of a
successful response, the CCCP client MUST use the new value and
SHOULD use all the new parameters allocated by the server to the
conference.
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<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<addConference>
<conference-info
entity="sip:McuConf1@company.com"
xmlns="urn:ietf:params:xml:ns:conference-info">
<conference-description>
<subject>Design Review</subject>
<conf-uris>
<entry>
<uri>tel:+1-8666119036</uri>
<display-text>FFD bridge</display-text>
</entry>
</conf-uris>
<service-uris>
<entry>
<uri>https://company.com/ConfServer</uri>
</entry>
</service-uris>
<available-media>
<entry label="1">
<type>audio</type>
</entry>
</available-media>
</conference-description>
</conference-info>
</addConference>
</response>
6.2.2. modifyConference
Modify conference parameters.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<modifyConference>
<conference-info
entity="sip:McuConf1@company.com"
xmlns="urn:ietf:params:xml:ns:conference-info">
<conference-description>
<subject>Spec Review</subject>
</conference-description>
</conference-info>
</modifyConference>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<modifyConference/>
</response>
6.2.3. deleteConference
Remove conference from the system.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<deleteConference>
<conferenceKeys
confEntity="sip:McuConf1@company.com"/>
</deleteConference>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<deleteConference/>
</response>
6.2.4. getConference
Retrieve the conference information.
<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<getConference>
<conferenceKeys
confEntity="sip:conf233@example.com"/>
</getConference>
</request>
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<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<getConference>
<conference-info
entity="sip:McuConf1@company.com"
xmlns="urn:ietf:params:xml:ns:conference-info">
<conference-description>
<subject>Design Review</subject>
<conf-uris>
<entry>
<uri>tel:+1-8666119036</uri>
<display-text>FFD bridge</display-text>
</entry>
</conf-uris>
<service-uris>
<entry>
<uri>https://company.com/ConfServer</uri>
</entry>
</service-uris>
<available-media>
<entry label="1">
<type>audio</type>
</entry>
</available-media>
</conference-description>
</conference-info>
</getConference>
</response>
6.3. User Primitives
6.3.1. addUser
The client MUST provide the 'userEntity' value in the request.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<addUser>
<conferenceKeys
confEntity="sip:conf233@example.com"/>
<user entity="sip:bob@example.com"
xmlns="urn:ietf:params:xml:ns:conference-info">
<display-text>Bob Hoskins</display-text>
<roles>
<entry>presenter</entry>
</roles>
</user>
</addUser>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<addUser/>
</response>
6.3.2. modifyUser
Modify the user information.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<modifyUser>
<conferenceKeys
confEntity="sip:conf233@example.com"/>
<user entity="sip:bob@example.com"
xmlns="urn:ietf:params:xml:ns:conference-info">
<display-text>Bob Hoskins III</display-text>
<associated-aors>
<entry>
<uri>tel:2562566</uri>
<display-text>the description</display-text>
<purpose>optional tbd values</purpose>
</entry>
</associated-aors>
<roles>
<entry>presenter</entry>
</roles>
</user>
</modifyUser>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<modifyUser/>
</response>
6.3.3. modifyUserRoles
This is a dedicated primitive to change user's roles. The same
effect can be achieved by using the modifyUser primitive. Note that
a CCCP server can choose to implement both approaches simultaneously
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to be invoked by different clients.
Editor's Note: The dedicated primitive is defined to demonstrate that
both approaches are possible with CCCP.
<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<modifyUserRoles>
<userKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"/>
<user-roles
xmlns="urn:ietf:params:xml:ns:conference-info">
<entry>presenter</entry>
</user-roles>
</modifyUserRoles>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<modifyUserRoles/>
</response>
6.3.4. deleteUser
Remove the user from the conference roster.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<deleteUser>
<userKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"/>
</deleteUser>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<deleteUser/>
</response>
6.3.5. getUser
Retrieve the information about a conference participant.
<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<getUser>
<userKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"/>
</getUser>
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</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<getUser>
<conferenceKeys confEntity="sip:conf233@example.com"/>
<user entity="sip:bob@example.com"
xmlns="urn:ietf:params:xml:ns:conference-info">
<display-text>Bob Hoskins III</display-text>
<associated-aors>
<entry>
<uri>tel:2562566</uri>
<display-text>the description</display-text>
<purpose>optional tbd values</purpose>
</entry>
</associated-aors>
<roles>
<entry>presenter</entry>
</roles>
</user>
</getUser>
</response>
6.4. Endpoint Primitives
6.4.1. addEndpoint
Bring the specified user into a conference by establishing a call
(signaling and media) with him/her/it.
The endpoint 'entity' value MAY be replaced or augmented by the CCCP
server. The 'media-id' value MAY be replaced or augmented by the
CCCP server. If the server returns this information in the response,
the client MUST use the values provided by the server.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<addEndpoint>
<userKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"/>
<endpoint entity="sip:bob@pc4.example.com"
xmlns="urn:ietf:params:xml:ns:conference-info">
<display-text>Bob's Laptop</display-text>
<joining-method>dialed-out</joining-method>
<media id="1">
<display-text>main audio</display-text>
<type>audio</type>
</media>
</endpoint>
</addEndpoint>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<addEndpoint/>
</response>
6.4.2. modifyEndpoint
Modify the call description or/and its behaivior.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<modifyEndpoint>
<userKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"/>
<endpoint entity="sip:bob@pc4.example.com"
xmlns="urn:ietf:params:xml:ns:conference-info">
<display-text>Bob's Laptop</display-text>
</endpoint>
</modifyEndpoint>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<modifyEndpoint/>
</response>
6.4.3. deleteEndpoint
Disconnect the call.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<deleteEndpoint>
<endpointKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"
endpointEntity="sip:bob@pc33.example.com"/>
</deleteEndpoint>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<deleteEndpoint/>
</response>
6.4.4. getEndpoint
Retrieve the information about the call.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<getEndpoint>
<endpointKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"
endpointEntity="sip:bob@pc33.example.com"/>
</getEndpoint>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<getEndpoint>
<userKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"/>
<endpoint entity="sip:bob@pc4.example.com"
xmlns="urn:ietf:params:xml:ns:conference-info">
<display-text>Bob's Laptop</display-text>
<joining-method>dialed-out</joining-method>
<media id="1">
<display-text>main audio</display-text>
<type>audio</type>
</media>
</endpoint>
</getEndpoint>
</response>
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6.5. Endpoint Media Primitives
6.5.1. addEndpointMedia
Add the specified media stream to the call.
The 'media-id' value MAY be replaced or augmented by the CCCP server.
The CCCP client MUST use the new value if returned by the server in
the response.
<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<addEndpointMedia>
<endpointKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"
endpointEntity="sip:bob@pc33.example.com"/>
<media id="1"
xmlns="urn:ietf:params:xml:ns:conference-info">
<display-text>main audio</display-text>
<type>audio</type>
</media>
</addEndpointMedia>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<addEndpointMedia/>
</response>
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6.5.2. modifyEndpointMedia
Modify the media behavior. This primitive can be used to mute and
un-mute the call.
<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<modifyEndpointMedia>
<endpointKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"
endpointEntity="sip:bob@pc33.example.com"/>
<media id="1"
xmlns="urn:ietf:params:xml:ns:conference-info">
<type>audio</type>
<status>recvonly</status>
</media>
</modifyEndpointMedia>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<modifyEndpointMedia/>
</response>
6.5.3. deleteEndpointMedia
Remove the specified media stream from the call.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<deleteEndpointMedia>
<mediaKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"
endpointEntity="sip:bob@pc33.example.com"
mediaId="1"/>
</deleteEndpointMedia>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<deleteEndpointMedia/>
</response>
6.5.4. getEndpointMedia
Retrieve the information about the specified stream in the call.
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<request
requestId="1"
from="https://company.com:444/Client"
to="https://Mcu55.company.com:444/MCU"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<getEndpointMedia>
<mediaKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"
endpointEntity="sip:bob@pc33.example.com"
mediaId="1"/>
</getEndpointMedia>
</request>
<response
requestId="1"
from= "https://Mcu55.company.com:444/MCU"
to= "https://company.com:444/Client"
code="success"
xmlns="urn:ietf:params:xml:ns:cccp"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cccp cccp.xsd">
<getEndpointMedia>
<endpointKeys
confEntity="sip:conf233@example.com"
userEntity="sip:bob@example.com"
endpointEntity="sip:bob@pc33.example.com"/>
<media id="1"
xmlns="urn:ietf:params:xml:ns:conference-info">
<type>audio</type>
<status>recvonly</status>
</media>
</getEndpointMedia>
</response>
6.6. Sidebar Primitives
6.6.1. addSidebar
Create a sidebar in the conference.
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XML TBD.
6.6.2. modifySidebar
Modify the sidebar parameters in the conference.
XML TBD.
6.6.3. deleteSidebar
Remove the sidebar from the conference.
XML TBD.
6.6.4. addUserToSidebar
Add the specified conference participant to the sidebar.
XML TBD.
6.6.5. deleteUserFromSidebar
Remove the specified conference participant from the sidebar.
XML TBD.
6.6.6. moveUserBetweenSidebars
Move the the specified conference participant from sidebar A to
sidebar B.
XML TBD.
6.7. Stimulus Primitives
This operation is used to convey opaque to the CCCP logic requests
from a CCCP client to a CCCP server to be processed by applications
above CCCP.
XML TBD.
7. The XML Schema
<?xml version="1.0" encoding="utf-8" ?>
<xs:schema
targetNamespace="urn:ietf:params:xml:ns:cccp"
xmlns:tns="urn:ietf:params:xml:ns:cccp"
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xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:ci="urn:ietf:params:xml:ns:conference-info"
xmlns:cis="urn:ietf:params:xml:ns:conference-info-separator"
elementFormDefault="qualified"
attributeFormDefault="unqualified"
>
<!--
This import brings in the standard
Conference Package definitions
-->
<xs:import
namespace="urn:ietf:params:xml:ns:conference-info"
schemaLocation="ci.xsd"/>
<!--
This import brings in the standard Conference Package
Standard Separator definitions
-->
<xs:import
namespace="urn:ietf:params:xml:ns:conference-info-separator"
schemaLocation="ci-separator.xsd"/>
<!--
REQUEST ELEMENT
-->
<xs:element name="request" type="tns:request-type"/>
<!--
RESPONSE ELEMENT
-->
<xs:element name="response" type="tns:response-type"/>
<!--
REQUEST TYPE
-->
<xs:complexType name="request-type">
<xs:sequence maxOccurs="unbounded">
<xs:choice>
<xs:element name="cancel"
type="tns:cancel-type"/>
<xs:element name="ping"
type="tns:ping-type"/>
<xs:element name="addConference"
type="tns:add-conference-type"/>
<xs:element name="modifyConference"
type="tns:add-conference-type"/>
<xs:element name="getConference"
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type="tns:get-conference-type"/>
<xs:element name="deleteConference"
type="tns:delete-conference-type"/>
<xs:element name="addUser"
type="tns:add-user-type"/>
<xs:element name="modifyUser"
type="tns:add-user-type"/>
<xs:element name="modifyUserRoles"
type="tns:modify-user-roles-type"/>
<xs:element name="getUser"
type="tns:get-user-type"/>
<xs:element name="deleteUser"
type="tns:delete-user-type"/>
<xs:element name="addEndpoint"
type="tns:add-endpoint-type"/>
<xs:element name="modifyEndpoint"
type="tns:add-endpoint-type"/>
<xs:element name="getEndpoint"
type="tns:get-endpoint-type"/>
<xs:element name="deleteEndpoint"
type="tns:delete-endpoint-type"/>
<xs:element name="addEndpointMedia"
type="tns:add-endpoint-media-type"/>
<xs:element name="modifyEndpointMedia"
type="tns:add-endpoint-media-type"/>
<xs:element name="getEndpointMedia"
type="tns:get-endpoint-media-type"/>
<xs:element name="deleteEndpointMedia"
type="tns:delete-endpoint-media-type"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0"
maxOccurs="unbounded"/>
</xs:choice>
</xs:sequence>
<xs:attribute name="requestId"
type="xs:string" use="required"/>
<!--
The URI of the CCCP client sending the CCCP request
-->
<xs:attribute name="from" type="xs:anyURI" use="required"/>
<!--
The URI of the CCCP server the request is destined to
-->
<xs:attribute name="to" type="xs:anyURI" use="required"/>
<!--
The trusted Identifier of the originator of the request
-->
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<xs:attribute name="originator" type="xs:anyURI"
use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
RESPONSE TYPE
-->
<xs:complexType name="response-type">
<xs:sequence minOccurs="0" maxOccurs="unbounded">
<xs:choice>
<xs:element name="cancel"
type="tns:cancel-response-type"/>
<xs:element name="ping"
type="tns:ping-response-type"/>
<xs:element name="addConference"
type="tns:add-conference-response-type"/>
<xs:element name="modifyConference"
type="tns:add-conference-response-type"/>
<xs:element name="getConference"
type="tns:get-conference-response-type"/>
<xs:element name="deleteConference"
type="tns:delete-conference-response-type"/>
<xs:element name="addUser"
type="tns:add-user-response-type"/>
<xs:element name="modifyUser"
type="tns:add-user-response-type"/>
<xs:element name="modifyUserRoles"
type="tns:modify-user-roles-response-type"/>
<xs:element name="getUser"
type="tns:get-user-response-type"/>
<xs:element name="deleteUser"
type="tns:delete-user-response-type"/>
<xs:element name="addEndpoint"
type="tns:add-endpoint-response-type"/>
<xs:element name="modifyEndpoint"
type="tns:add-endpoint-response-type"/>
<xs:element name="getEndpoint"
type="tns:get-endpoint-response-type"/>
<xs:element name="deleteEndpoint"
type="tns:delete-endpoint-response-type"/>
<xs:element name="addEndpointMedia"
type="tns:add-endpoint-media-response-type"/>
<xs:element name="modifyEndpointMedia"
type="tns:add-endpoint-media-response-type"/>
<xs:element name="getEndpointMedia"
type="tns:get-endpoint-media-response-type"/>
<xs:element name="deleteEndpointMedia"
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type="tns:delete-endpoint-media-response-type"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0"
maxOccurs="unbounded"/>
</xs:choice>
</xs:sequence>
<xs:attribute name="requestId"
type="xs:string" use="required"/>
<!--
The URI of the CCCP server sending the CCCP response
-->
<xs:attribute name="from"
type="xs:anyURI" use="required"/>
<!--
The URI of the CCCP client the response is destined to
-->
<xs:attribute name="to"
type="xs:anyURI" use="required"/>
<!--
The trusted Identifier of the responder
-->
<xs:attribute name="responder"
type="xs:anyURI" use="optional"/>
<xs:attribute name="code"
type="tns:response-code-type" use="required"/>
<xs:attribute name="reason"
type="tns:reason-code-type" use="optional"/>
<xs:attribute name="displayString"
type="xs:string" use="optional"/>
<xs:attribute name="timeOut"
type="xs:nonNegativeInteger" use="optional"/>
<xs:attribute name="retryAfter"
type="xs:nonNegativeInteger" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
RESPONSE CODE TYPE
-->
<xs:simpleType name="response-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="success"/>
<xs:enumeration value="pending"/>
<xs:enumeration value="failure"/>
</xs:restriction>
</xs:simpleType>
<!--
REASON CODE TYPE
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-->
<xs:simpleType name="reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="serverBusy"/>
<xs:enumeration value="timeout"/>
<xs:enumeration value="unauthorized"/>
<xs:enumeration value="requestMalformed"/>
<xs:enumeration value="requestTooLarge"/>
<xs:enumeration value="requestCancelled"/>
<xs:enumeration value="notSupported"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
CONFERENCE KEYS TYPE
-->
<xs:complexType name="conference-keys-type">
<xs:attribute name="confEntity" type="xs:anyURI"/>
<xs:anyAttribute namespace="##other"
processContents="lax"/>
</xs:complexType>
<!--
USER KEYS TYPE
-->
<xs:complexType name="user-keys-type">
<xs:attribute name="confEntity" type="xs:anyURI"/>
<xs:attribute name="userEntity" type="xs:anyURI"/>
<xs:anyAttribute namespace="##other"
processContents="lax"/>
</xs:complexType>
<!--
ENDPOINT KEYS TYPE
-->
<xs:complexType name="endpoint-keys-type">
<xs:attribute name="confEntity" type="xs:anyURI"/>
<xs:attribute name="userEntity" type="xs:anyURI"/>
<xs:attribute name="endpointEntity" type="xs:anyURI"/>
<xs:anyAttribute namespace="##other"
processContents="lax"/>
</xs:complexType>
<!--
MEDIA KEYS TYPE
-->
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<xs:complexType name="media-keys-type">
<xs:attribute name="confEntity" type="xs:anyURI"/>
<xs:attribute name="userEntity" type="xs:anyURI"/>
<xs:attribute name="endpointEntity" type="xs:anyURI"/>
<xs:attribute name="mediaId" type="xs:string"/>
<xs:anyAttribute namespace="##other"
processContents="lax"/>
</xs:complexType>
<!--
CANCEL TYPE
-->
<xs:complexType name="cancel-type">
<xs:sequence>
<xs:element name="requestId" type="xs:string"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other"
processContents="lax"/>
</xs:complexType>
<!--
CANCEL RESPONSE TYPE
-->
<xs:complexType name="cancel-response-type">
<xs:sequence>
<xs:element name="requestId"
type="xs:string" minOccurs="0"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="reason"
type="tns:cancel-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
CANCEL REASON CODE TYPE
-->
<xs:simpleType name="cancel-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="requestDoesntExist"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
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PING TYPE
-->
<xs:complexType name="ping-type">
<xs:sequence>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
PING RESPONSE TYPE
-->
<xs:complexType name="ping-response-type">
<xs:sequence>
<xs:element name="serverStatus"
type="tns:server-status-type" minOccurs="0"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
ADD CONFERENCE TYPE
-->
<xs:complexType name="add-conference-type">
<xs:sequence>
<xs:element ref="ci:conference-info"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
ADD CONFERENCE RESPONSE TYPE
-->
<xs:complexType name="add-conference-response-type">
<xs:sequence>
<xs:element ref="ci:conference-info" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
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<xs:attribute name="reason"
type="tns:add-conference-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
ADD CONFERENCE REASON CODE TYPE
-->
<xs:simpleType name="add-conference-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="conferenceExistsAlready"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
GET CONFERENCE TYPE
-->
<xs:complexType name="get-conference-type">
<xs:sequence>
<xs:element name="conferenceKeys"
type="tns:conference-keys-type"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
GET CONFERENCE RESPONSE TYPE
-->
<xs:complexType name="get-conference-response-type">
<xs:sequence>
<xs:element ref="ci:conference-info" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="reason"
type="tns:get-conference-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
GET CONFERENCE REASON CODE TYPE
-->
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<xs:simpleType name="get-conference-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="conferenceDoesntExist"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
DELETE CONFERENCE TYPE
-->
<xs:complexType name="delete-conference-type">
<xs:sequence>
<xs:element name="conferenceKeys"
type="tns:conference-keys-type"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
DELETE CONFERENCE RESPONSE TYPE
-->
<xs:complexType name="delete-conference-response-type">
<xs:sequence>
<xs:element ref="ci:conference-info" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="reason"
type="tns:delete-conference-reason-code-type"
use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
DELETE CONFERENCE REASON CODE TYPE
-->
<xs:simpleType name="delete-conference-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="conferenceDoesntExist"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
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<!--
ADD USER TYPE
-->
<xs:complexType name="add-user-type">
<xs:sequence>
<xs:element name="conferenceKeys"
type="tns:conference-keys-type"/>
<xs:element ref="ci:user"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
ADD USER RESPONSE TYPE
-->
<xs:complexType name="add-user-response-type">
<xs:sequence>
<xs:element name="conferenceKeys"
type="tns:conference-keys-type" minOccurs="0"/>
<xs:element ref="ci:user" minOccurs="0"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="reason"
type="tns:add-user-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
ADD USER REASON CODE TYPE
-->
<xs:simpleType name="add-user-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="conferenceDoesntExist"/>
<xs:enumeration value="userExistsAlready"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
MODIFY USER ROLES TYPE
-->
<xs:complexType name="modify-user-roles-type">
<xs:sequence>
<xs:element name="userKeys"
type="tns:user-keys-type"/>
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<xs:element ref="ci:user-roles"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
MODIFY USER ROLES RESPONSE TYPE
-->
<xs:complexType name="modify-user-roles-response-type">
<xs:sequence>
<xs:element name="conferenceKeys"
type="tns:conference-keys-type" minOccurs="0"/>
<xs:element ref="ci:user" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="reason"
type="tns:get-user-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
GET USER TYPE
-->
<xs:complexType name="get-user-type">
<xs:sequence>
<xs:element name="userKeys"
type="tns:user-keys-type"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
GET USER RESPONSE TYPE
-->
<xs:complexType name="get-user-response-type">
<xs:sequence>
<xs:element name="conferenceKeys"
type="tns:conference-keys-type" minOccurs="0"/>
<xs:element ref="ci:user" minOccurs="0"/>
<xs:sequence minOccurs="0">
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<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="reason"
type="tns:get-user-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other"
processContents="lax"/>
</xs:complexType>
<!--
GET USER REASON CODE TYPE
-->
<xs:simpleType name="get-user-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="conferenceDoesntExist"/>
<xs:enumeration value="userDoesntExist"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
DELETE USER TYPE
-->
<xs:complexType name="delete-user-type">
<xs:sequence>
<xs:element name="userKeys"
type="tns:user-keys-type"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
DELETE USER RESPONSE TYPE
-->
<xs:complexType name="delete-user-response-type">
<xs:sequence>
<xs:element name="conferenceKeys"
type="tns:conference-keys-type" minOccurs="0"/>
<xs:element ref="ci:user" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
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</xs:sequence>
<xs:attribute name="reason"
type="tns:delete-user-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
DELETE USER REASON CODE TYPE
-->
<xs:simpleType name="delete-user-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="conferenceDoesntExist"/>
<xs:enumeration value="userDoesntExist"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
ADD ENDPOINT TYPE
-->
<xs:complexType name="add-endpoint-type">
<xs:sequence>
<xs:element name="userKeys"
type="tns:user-keys-type"/>
<xs:element ref="ci:endpoint"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
ADD ENDPOINT RESPONSE TYPE
-->
<xs:complexType name="add-endpoint-response-type">
<xs:sequence>
<xs:element name="userKeys"
type="tns:user-keys-type" minOccurs="0"/>
<xs:element ref="ci:endpoint" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
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<xs:attribute name="reason"
type="tns:add-user-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
GET ENDPOINT TYPE
-->
<xs:complexType name="get-endpoint-type">
<xs:sequence>
<xs:element name="endpointKeys"
type="tns:endpoint-keys-type"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
GET ENDPOINT REASON CODE TYPE
-->
<xs:simpleType name="get-endpoint-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="conferenceDoesntExist"/>
<xs:enumeration value="userDoesntExist"/>
<xs:enumeration value="endpointDoesntExist"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
GET ENDPOINT RESPONSE TYPE
-->
<xs:complexType name="get-endpoint-response-type">
<xs:sequence>
<xs:element name="userKeys"
type="tns:user-keys-type" minOccurs="0"/>
<xs:element ref="ci:endpoint" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="reason"
type="tns:get-endpoint-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
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<!--
DELETE ENDPOINT TYPE
-->
<xs:complexType name="delete-endpoint-type">
<xs:sequence>
<xs:element name="endpointKeys"
type="tns:endpoint-keys-type"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
DELETE ENDPOINT REASON CODE TYPE
-->
<xs:simpleType name="delete-endpoint-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="conferenceDoesntExist"/>
<xs:enumeration value="userDoesntExist"/>
<xs:enumeration value="endpointDoesntExist"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
DELETE ENDPOINT RESPONSE TYPE
-->
<xs:complexType name="delete-endpoint-response-type">
<xs:sequence>
<xs:element name="userKeys"
type="tns:user-keys-type" minOccurs="0"/>
<xs:element ref="ci:endpoint" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="reason"
type="tns:delete-endpoint-reason-code-type"
use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
ADD ENDPOINT MEDIA TYPE
-->
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<xs:complexType name="add-endpoint-media-type">
<xs:sequence>
<xs:element name="endpointKeys"
type="tns:endpoint-keys-type"/>
<xs:element ref="ci:media"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
ADD ENDPOINT MEDIA RESPONSE TYPE
-->
<xs:complexType name="add-endpoint-media-response-type">
<xs:sequence>
<xs:element name="endpointKeys"
type="tns:endpoint-keys-type" minOccurs="0"/>
<xs:element ref="ci:media" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="reason"
type="tns:add-endpoint-media-reason-code-type"
use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
ADD ENDPOINT MEDIA REASON CODE TYPE
-->
<xs:simpleType name="add-endpoint-media-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="conferenceDoesntExist"/>
<xs:enumeration value="userDoesntExist"/>
<xs:enumeration value="endpointDoesntExist"/>
<xs:enumeration value="mediaExistsAlready"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
GET ENDPOINT MEDIA TYPE
-->
<xs:complexType name="get-endpoint-media-type">
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<xs:sequence>
<xs:element name="mediaKeys"
type="tns:media-keys-type"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
GET ENDPOINT MEDIA REASON CODE TYPE
-->
<xs:simpleType name="get-media-reason-code-type">
<xs:restriction base="xs:string">
<xs:enumeration value="conferenceDoesntExist"/>
<xs:enumeration value="userDoesntExist"/>
<xs:enumeration value="endpointDoesntExist"/>
<xs:enumeration value="mediaDoesntExist"/>
<xs:enumeration value="otherFailure"/>
</xs:restriction>
</xs:simpleType>
<!--
GET ENDPOINT MEDIA RESPONSE TYPE
-->
<xs:complexType name="get-endpoint-media-response-type">
<xs:sequence>
<xs:element name="endpointKeys"
type="tns:endpoint-keys-type" minOccurs="0"/>
<xs:element ref="ci:media" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="reason"
type="tns:get-media-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
DELETE ENDPOINT MEDIA TYPE
-->
<xs:complexType name="delete-endpoint-media-type">
<xs:sequence>
<xs:element name="mediaKeys"
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type="tns:media-keys-type"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
DELETE ENDPOINT MEDIA RESPONSE TYPE
-->
<xs:complexType name="delete-endpoint-media-response-type">
<xs:sequence>
<xs:element name="endpointKeys"
type="tns:endpoint-keys-type" minOccurs="0"/>
<xs:element ref="ci:media" minOccurs="0"/>
<xs:sequence minOccurs="0">
<xs:element ref="cis:separator"/>
<xs:any namespace="##other" processContents="lax"
maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="reason"
type="tns:get-media-reason-code-type" use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
SERVER LIST TYPE
-->
<xs:complexType name="server-list-type">
<xs:sequence>
<xs:element name="entry"
type="tns:server-description-type"
minOccurs="0" maxOccurs="unbounded"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute ref="ci:state" use="optional" default="full"/>
<xs:attribute name="version" type="xs:unsignedInt"
use="optional"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
SERVER DESCRIPTION TYPE
-->
<xs:complexType name="server-description-type">
<xs:sequence>
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<xs:element name="status" type="tns:server-status-type"
minOccurs="0"/>
<xs:element name="modality" type="xs:string"/>
<xs:element name="vendor" type="xs:string"/>
<xs:any namespace="##other" processContents="lax"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="entity" type="xs:anyURI" use="required"/>
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!--
SERVER STATUS TYPE
-->
<xs:simpleType name="server-status-type">
<xs:restriction base="xs:string">
<xs:enumeration value="full"/>
<xs:enumeration value="loaded"/>
<xs:enumeration value="normal"/>
<xs:enumeration value="unavailable"/>
</xs:restriction>
</xs:simpleType>
</xs:schema>
8. IANA Considerations
This document registers a new XML namespace and a new XML schema.
8.1. URN Sub-Namespace Registration for urn:ietf:params:xml:ns:cccp
This section registers a new XML namespace, as per the guidelines in
RFC 3688 [5].
URI: The URI for this namespace is urn:ietf:params:xml:ns:cccp
Registrant Contact: IETF XCON Working Group <xcon@ietf.org>, as
designated by the IESG <iesg@ietf.org>
XML:
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BEGIN
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.0//EN"
"http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type"
content="text/html;charset=iso-8859-1"/>
<title>Centralized Conference Information Namespace</title>
</head
<body>
<h1>Namespace for Centralized Conference Control Protocol</h1>
<h2>urn:ietf:params:xml:ns:cccp</h2>
<p>See <a href="[[[URL of published RFC]]]">RFCXXXX</a>.</p>
</body>
</html>
END
8.2. XML Schema Registration
This specification registers a schema, as per the guidelines in RFC
3688 [5].
URI: please assign
Registrant Contact: IETF XCON Working Group <xcon@ietf.org>, as
designated by the IESG <iesg@ietf.org>
XML: The XML can be found as the sole content of Section 7
9. Security Considerations
Manipulation of conference state and policy information through the
conference control protocol require a strong means for
authentication, conference information protection, and applying
comprehensive authorization rules by a focus. Users of this
specification MUST use encrypted transport means and comply with the
security considerations discussed in the XCON Framework [7] and the
SIP Event Package for Conference State [2] .
10. Acknowledgements
The author would like to thank Gur Kimchi for his earlier work that
served as the starting point for this specification.
11. References
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11.1. Normative References
[1] Bradner, S., "Key words for use in RFCs to Indicate Requirement
Levels", BCP 14, RFC 2119, March 1997.
[2] Rosenberg, J., "A Session Initiation Protocol (SIP) Event
Package for Conference State",
draft-ietf-sipping-conference-package-12 (work in progress),
July 2005.
[3] Levin, O., "Extensions to the Session Initiation Protocol (SIP)
Event Package for Conference State",
draft-levin-xcon-conference-package-ext-00 (work in progress),
October 2005.
11.2. Informative References
[4] Roach, A., "Session Initiation Protocol (SIP)-Specific Event
Notification", RFC 3265, June 2002.
[5] Mealling, M., "The IETF XML Registry", BCP 81, RFC 3688,
January 2004.
[6] Rosenberg, J., "A Framework for Conferencing with the Session
Initiation Protocol",
draft-ietf-sipping-conferencing-framework-05 (work in progress),
May 2005.
[7] Barnes, M., "A Framework and Data Model for Centralized
Conferencing", draft-ietf-xcon-framework-01 (work in progress),
July 2005.
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Authors' Addresses
Orit Levin
Microsoft Corporation
One Microsoft Way
Redmond, WA 98052
USA
Email: oritl@microsoft.com
Roni Even
Polycom
94 Derech Em Hamoshavot
Petach Tikva, 49130
Israel
Email: roni.even@polycom.co.il
Pierre Hagendorf
RADVISION
24, Raul Wallenberg St.
Tel-Aviv, 69719
Israel
Email: pierre@radvision.com
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