[asterisk-users] Asterisk 1.6 Questions

[Gary Graves]

Can you answer both?

Can Asterisk be configured to _initiate_ such a change at some point,
mid-call?

and

Will Asterisk properly react to such a re-INVITE and change codecs if asked
to do so by the dialog counterparty?

On Tue, May 3, 2011 at 12:56 PM, Alex Balashov <abalashov at evaristesys.com>wrote:

> On 05/03/2011 12:43 PM, Gary Graves wrote:
>
>  Can you change codecs mid-call upon re-invite?
>>
>
> Do you mean:  can Asterisk be configured to _initiate_ such a change at
> some point, mid-call?  Or do you mean:  Will Asterisk properly react to such
> a re-INVITE and change codecs if asked to do so by the dialog counterparty?
>
>
>  Can you handle the SDP offer-answer in the 200-ACK instead of the
>> usual INVITE-200?
>>
>
> Doesn't seem to.  Looking at chan_sip.c in 1.6.2.13, there is no call to
> add_sdp() that is not made either in the context of 1) an initial INVITE
> request or 2) a re-INVITE or 3) the construction of a response.  Nothing in
> the case of the production of an end-to-end ACK.
>
> --
> Alex Balashov - Principal
> Evariste Systems LLC
> 260 Peachtree Street NW
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>
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