[SIPForum-discussion] Doubt regarding SDP exchange

[Donald Lee]

I think the Server side can take either U-law or A-law as the final codec.
In fact there is two strategies here:
# local priority first. U-law will be used
# remote priority first. A-law will be used.

Thanks


On 12/10/07, Abhinav Gandhi <abhinav.gandhi at suncorptech.com> wrote:
>
>  Dear Murugesh,
>
>  PCM (A-law) is used for communication. The priority of UAC (one sending
> the INVITE) is considered.
>
> Regards,
> Abhi
>
>
>  ------------------------------
> *From:* discussion-bounces at sipforum.org [mailto:
> discussion-bounces at sipforum.org] *On Behalf Of *Murgesh Kumbar
> *Sent:* 10 December 2007 09:50
> *To:* discussion at sipforum.org
> *Subject:* [SIPForum-discussion] Doubt regarding SDP exchange
>
>
>
>  Hi All,
>
>  I have a small doubt regarding the SDP negotiation between a User Agent
> Client - UAC & User Agent Server - UAS. The below is the setup.
>
> UAC Configurations:  1st  priority     PCMA (A-law)
>                                 2nd priority     PCMU (U-Law)
>
> UAS Configurations:    1st  priority     PCMU (U-Law)
> 2nd priority     PCMA (A-law)
>
>
> If UAC sends INVITE with Codec supporting PCMA (A-law) and PCMU (U-Law)
> with PCMA has high priority as per the above configurations, how does the
> SERVER should respond? *Does serevr should consider the priority of its
> own first or it should consider the priority of the client first* .... Both
> server and client can support both U-law & A-law but only the priority
> changes..
>
>
> Regards,
> Murgesh
>
>  <discussion at sipforum.org>
>
>  ------------------------------
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-- 
BR
Donald
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