[SR-Users] Question about sip call setup : three-way handshake

[Abdoul Osséni]

Linphone client seems to not support PRACK method. Any other solution ?

Regards
Abdoul.

2017-06-21 18:47 GMT+02:00 Giovanni Maruzzelli <gmaruzz at gmail.com>:

>
>
> On 21 June 2017 at 18:42, Abdoul Osséni <abdoul.osseni at gmail.com> wrote:
>
>> Yes, I think PRACK method can help me.
>>
>
> Check your UACs support PRACK... Not all clients do it well...
>
> -giovanni
>
>
>
>>
>> Thanks.
>>
>> Regards
>> Abdoul.
>>
>> 2017-06-21 14:20 GMT+02:00 Mititelu Stefan <stefan.mititelu92 at gmail.com>:
>>
>>> Maybe PRACK, RFC 3262, is what you are looking for?
>>>
>>> ---
>>> Stefan
>>>
>>> On Jun 21, 2017 2:46 PM, "Abdoul Osséni" <abdoul.osseni at gmail.com>
>>> wrote:
>>>
>>> Hello,
>>>
>>> During three-way handshake (SIP call setup - INVITE-200 OK - ACK) and
>>> before generating or sending the final 200 OK call, is there a way to
>>> confirm the caller is still available (no network issue)?
>>>
>>> I want to detect broken connections (ex. the uac uses 3G network) before
>>> generating/sending/forwarding the final 200 OK.
>>>
>>> Thanks.
>>>
>>> Regards
>>> Abdoul
>>>
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>>
>>
>> --
>> Abdoul OSSENI
>> Ingénieur Réseaux et systèmes chez THALES
>> Co-Fondateur de ON SERVICES
>> Tél : +33 601 135 167
>>
>> _______________________________________________
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>>
>>
>
>
> --
>
> Sincerely,
>
> Giovanni Maruzzelli
> OpenTelecom.IT
> cell: +39 347 266 56 18
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
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>


-- 
Abdoul OSSENI
Ingénieur Réseaux et systèmes chez THALES
Co-Fondateur de ON SERVICES
Tél : +33 601 135 167
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