[XCON] CPCP Requirement: Anonymous participants

[hisham.khartabil@nokia.com]

This is the first of a series of emails discussing Conference Policy Requirements. Your engagement is appreciated.

This is in reference to requirements REQ-A6 and REQ-E9 in http://www.ietf.org/internet-drafts/draft-ietf-xcon-cpcp-reqs-00.txt

   REQ-A6: It SHOULD be possible to anonymously participate in a
   conference.

   REQ-E9: It MUST be possible to allow and disallow anonymous
   membership in a conference.

Should a conference policy, using CPCP, specify if anonymous participants are allowed to join a conference? Or should this be a local policy at the server?

There are 2 types of anonymous participants:

1. ones that joins a conference using a http digest username of "anonymous" and no password
2. ones that join with a proper username and password, but hide their identity using anonynous@somewhere.com in the From-header of a SIP INVITE. The conference state package notifications shows them as anonymous participants.

I don't think we need to allow 1. Either a conference requires everyone to know the username and password of the conference, or does not require digest authentication at all.

2 can be provided, but we need consensus that this is a useful feature.

Regards,
Hisham

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