Hi Jayanteeshs,
Bob will send 4xx only if he support none of the codec.
So,if Bob support Codec 0 then the required answer will be
Bob Answer
============
v=0
o=bob 1234 3456 IN IP4 10.105.2.99
s=Voice Chat
c=IN IP4 10.105.2.99
t=0 0
m=audio 9000 RTP/AVP 0
a=sendrecv
a=rtpmap: 0 PCMU/8000
regards,
Ashish
Message: 6
Date: Fri, 2 Dec 2005 15:21:21 +0530
From: "Jayantheesh Sirmushnam - NPD, Chennai"
<[EMAIL PROTECTED]>
Subject: [Sip-implementors] SDP Query regarding "telephone-event"
negotiation
To: [email protected]
Message-ID:
<[EMAIL PROTECTED]>
Content-Type: text/plain
Hi All,
Alice's offer
=========
v=0
o=jayanteeshs 2854 0 IN IP4 10.105.2.136
s=Voice Chat
c=IN IP4 10.105.2.136
t=0 0
m=audio 7100 RTP/AVP 0 101
a=sendrecv
a=rtpmap: 0 PCMU/8000
a=rtpmap: 101 telephone-event/8000
Here "telephone-event" is a dynamic payload.
If Bob does not understand the "telephone-event" (i.e. it does not
support the DTMF), what should he do??
I guess the following
1. Bob has to send 4xx error response
2. Send answer without the "telephone-event" in the SDP.
Which should I follow??
Thanks and regards
Jayanteeshs.
**************************************************************
Ashish Kumar Bhojnagarwala
Flextronics Software System,
Bangalore.
Tel: 51069013
Mobile: 9880275354
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