Hi all,
Consider the following scenarios.
1.
C->S: INVITE (for speechrecog)
S->C: 200 OK
C->S: ACK
Now the SIP session is established b/w UAC and UAS. speechrecog
resource is active on the established sip session
C->S: INVITE (re-INVITE for adding speechsynth resource)
S->C: 200 OK
Offer/Answer fail for the new resource, TTS (speechsynth).
2.
C->S: INVITE (for speechrecog)
S->C: 200 OK
C->S: ACK
Now the SIP session is established b/w UAC and UAS. speechrecog
resource is active on the established sip session.
C->S: INVITE (re-INVITE for adding speechsynth resource)
S->C: 200 OK
Offer/Answer fail for the for the existing ASR(speechrecog) resource
also.
3.
C->S: INVITE (for speechrecog)
S->C: 200 OK
C->S: ACK
Now the SIP session is established b/w UAC and UAS. speechrecog
resource is active
C->S: INVITE (re-INVITE for adding speechsynth resource)
S->C: 200 OK
C->S: ACK
Now both speechrecog and speechsynth are active on the sip session
C->S: INVITE (re-INVITE for removing speechsynth resource)
S->C: 486 BUSY HERE
What should be the behaviour of UAC in the above scenarios?
Regds,
Srinivas
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