[SIPForum-discussion] SIP Unsupported media type

Radhashyam Behera radhashyambehera at gmail.com
Wed Apr 23 09:55:05 UTC 2008


Hi Zuniga,

The Payload type 0, 8 is for Encoding Name PCMU and PCMA respectively. And
97 is dynamic Payload type. For more infomation please refer Table 4/5 from
rfc 3551.
Thanks & Regards,
Radhashyam


On 4/22/08, Zuñiga, Guillermo <Guillermo.Zuniga at cwpanama.com> wrote:
>
>  Hi Mrs
>
> How can give a tips?
>
> I am sending Calling from a SipEndpoint to a Fax at the PSTN,
>
> And I am getting a SIP Unsupported media type messages and then the connection
> is drop.
>
> In the invite coming from a AplicationServer-AS to a VerazSoftswitch I am
> seeing the parameter (a=silenceSupp:off - - - -), maybe I need to Fake
> someone of the two equipments.
>
> I have T38 codec define to the PSTN.
>
> Somebody can tell if I can get a TABLE where I could see what mean the
> value are in the media type parameter (m=audio 40038 RTP/AVP 18*** 0 8 97*
> ***)* I know that 18 is G729, but after this value always are other values
> in this case 0 8 97?
>
> Regards
>
> Guillermo.
>
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