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OCECAS - 3-Way Conference Service Fails When Receiving A 183 With SDP (Doc ID 2627922.1)

Last updated on AUGUST 24, 2020

Applies to:

Oracle Communications Evolved Communications Application Server - Version 7.1.0 and later
Information in this document applies to any platform.

Symptoms

In a 3-way conference, ECAS(Evolved Converged Application Server) releases the conference establishment process when a 183 with SDP is received when trying to connect B or C to the conference.

Scenario:

1) A calls B and put B onhold
2) A calls C and put C onhold
3) A sends an INVITE with the conf-uri and fetch a conference device
4) A sends a REFER for connecting B to the conference device
5) A sends a REFER for connecting C to the conference device
6) ECAS process this REFER message for connecting B and generates an INVITE towards B
7) From the B side, a 183 with SDP is received

Changes

 

Cause

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