[SIPForum-discussion] payload type for G729A and different flavors of G729

Radhashyam Behera radhashyambehera at gmail.com
Thu Jan 10 07:00:07 UTC 2008


Hi Uday,

I do agree with Jeff Wright.
For G729 encoding the payload type is 18, which is static when Speech rate
is 8kbit/s.

Thanks & Regards,
Radhashyam

On 1/10/08, udayabhanu parida <udayparida at gmail.com> wrote:
>
> Hi,
>
> I have a confusion in whether to use static payload type i.e. 18 or a
> dynamic payload type for G729A while transmitting data over RTP.
> The rfc 3551 doesn't specify the PT for G729A. It seems that for G729 or
> G729A both the payload types are applicable.
> A static payload type of 18 as well as a dynamic payload type can be used.
>
> Please clarify what should be used for the different flavors of G729
> codec.
>
> Thanks,
> Uday
>
>
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