[SIPForum-discussion] Sip Signaling for Intercom

[Ashish Umrani]

Hi There,

I am trying to put together support for Intercom in a B2BUA.  I know that
not all end points support the intercom feature. What I do not know is what
do I need to add to the SIP invite to indicate that the caller intends to
invoke a intercom instead of a regular call.

Can someone help me.

Any documentation, links etc are most welcome.

Regards
Ashish
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