Hi Vineet,
While answering to the offer, the UAS can choose to either send one codec
which it is willing to both send and receive, or it can choose to send all
of supported codecs (which has arrived in offer) in an order which would
correspond the preference order of codecs at its end (uas end).
Shearar
Sent: Wednesday, September 22, 2010 5:02 PM
To: sip-implementors@lists.cs.columbia.edu
Subject: Re: [Sip-implementors] why Do we need a 3 way handshake for INVITE
at all?
On 2010/09/22 13:18, abhishek chattopadhyay wrote:
> Hi Implementors,
>
> In 3261 the re-transmission of
Hi Implementors,
In 3261 the re-transmission of INVITE is stopped by 1xx responses. So to
stop the re-trnasmission of 200 OK, ACK is sent.
(Albait it would be worth considering that ACK is used for a lot of other
purposes.)
Further form 3261 only, it is clear that for other methods the request w
