[SIPForum-discussion] Call connected on different codec
balajivenkat subramanian
balajivenkats at gmail.com
Thu Dec 22 20:17:01 UTC 2011
Guys ,
Here is the trace
Invite from ORG side
Media Description, name and address (m): audio 37336 RTP/AVP 4 3 97 2 9
101
Media Attribute (a): sendrecv
Media Attribute (a): rtpmap:4 G723/8000
Media Attribute (a): rtpmap:3 GSM/8000
Media Attribute (a): rtpmap:97 iLBC/8000
Media Attribute (a): fmtp:97 mode=20
Media Attribute (a): rtpmap:2 G726-32/8000
Media Attribute (a): rtpmap:9 G722/8000
Media Attribute (a): ptime:60
Media Attribute (a): rtpmap:101 telephone-event/8000
Media Attribute (a): fmtp:101 0-11
183 response from Termination side
Media Description, name and address (m): audio 17540 RTP/AVP 0 101
Media Attribute (a): rtpmap:0 PCMU/8000
Media Attribute (a): rtpmap:101 telephone-event/8000
Media Attribute (a): fmtp:101 0-15
Media Attribute (a): ptime:20
Media Attribute (a): silenceSupp:off - - - -
200 Ok from Termination side
Media Description, name and address (m): audio 17540 RTP/AVP 0 101
Media Attribute (a): rtpmap:0 PCMU/8000
Media Attribute (a): rtpmap:101 telephone-event/8000
Media Attribute (a): fmtp:101 0-15
Media Attribute (a): ptime:20
Media Attribute (a): silenceSupp:off - - - -
On Thu, Dec 22, 2011 at 3:11 PM, Amit Salunkhe <amitsalunkhe21 at gmail.com>wrote:
> Hello Venkat
>
> If Customer INVITE contains G.711 ulaw codec in codec list then in this
> case call got connected and both way voice .
>
> Regrads
> Amit
>
> On Wed, Dec 21, 2011 at 5:11 AM, balajivenkat subramanian <
> balajivenkats at gmail.com> wrote:
>
>> Hello Guys ,
>>
>> Pls share your thoughts whether the below scenario is right behaviour .
>>
>> Customer - > Softswitch - > Supplier .
>>
>> 1. Customer invite has codec G723 , ilbc etc .
>> 2.Supplier is responding back with only G711ulaw codec which was not
>> offered by Customer .
>> 3. Call got connected with voice on both sides .
>>
>> Thanks ,
>> Venkat
>>
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