[XCON] 3gpp priorities for cpcp

["Stephen Hayes (TX/EUS)" <stephen.hayes at ericsson.com>]

In some discussions with the ADs and XCON WG chairs, it had been metioned that 3GPP input could be useful in focusing the ongoing cpcp work.  The following is the result of an e-mail survey on what cpcp functionality that 3GPP would like to see prioritized. 

There must be some means to: 

- create a conference 
- terminate/remove a conference 
- invite users to the conference 
- refer users to the conference 
- remove users from the conference 
- define who is allowed to join the conference 
- define conference time information, this includes scheduled conferences (bounded conferences, i.e. mixing start/stop time) _and_ conference lifetime (time after that the conference will be removed resp. terminated) 
- define conditions when the conference media mixing starts/stops (e.g. key participant or first participant joins the conference) 
- define conditions when the conference is terminated/removed (e.g. last participant has left or has been removed from the conference or conference creator has left the conference) 
- set some conference parameters like max-participants, conference-uri 
- define privileges for certain users (who can modify/read which conference policy element, who can use SIP procedures to invite/refer/remove users to/from the conference resp. more general: who is allowed to invite/remove/refer/allow users (this would cover CPCP and SIP procedures); who is allowed to subscribe to the conference event package; who is allowed to subscribe to conference policy changes (XCAP change); who can terminate the conference besides the conference creator; etc.) 
- enumerate the media streams of the conference 
- set floor policy (floor control algorithm; maximum number of users that can have one floor at the same time; set floor moderator; moderator uri; etc) 
There should be some means to: 
- set general conference information (subject of the conference, display-name, etc.) 
- create/define floors, associate media streams to floors and transfer of BFCP parameters (goes to the "must section" if the SDP solution in draft-camarillo-mmusic-sdp-bfcp-00 is not finished in time)

Stephen Hayes
3GPP TSG-CN Chair
3GPP/IETF Coordinator
Ericsson Inc.
Tel: +1 469 360 8500
Fax: +1 801 409 6319
Mobile: +1 469 360 8500
mailto:stephen.hayes at ericsson.com

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