multiple dialogs in a single call with same call ID?

asked 2018-01-09 22:52:59 +0000

Arvind gravatar image

updated 2018-01-09 23:39:35 +0000

I have observed multiple dialogs in a single call with same call ID.

What does it mean? but the call is working fine.

once the sip session is established with 200k, the uas is sending invite request to uac followed by trying and ringing process. I have seen multiple dialogs in a single call. please help me out.

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Please provide an example capture of such call (publish it at cloudshark or any plain file-sharing service and edit your Question with a login-free link to it).

A "dialog" is something which is established as a mid-term relationship between peers and in most cases it controls a media session. A dialog contains of transactions, which themselves consist of a request, possibly some preliminary responses, and a final response.

I have seen implementations which respond a mid-dialog re-INVITE with some preliminary responses, but it is not common.

sindy gravatar imagesindy ( 2018-01-10 07:49:00 +0000 )edit