[Freeswitch-users] Freeswitch not sending full capabilities in 200OK after noSDP reInvite

[Alexey Sibyakin]

Hi,

Try this one
https://freeswitch.org/confluence/display/FREESWITCH/sip_renegotiate_codec_on_reinvite
or contact sales at signalwire.com to discuss the opportunity to add some cool
new features to FreeSWITCH you may need.

Best regards,
Alex


Alex Sibyakin | Support Engineer SignalWire | 228 Hamilton Ave 3rd Floor,
Palo Alto, CA 94303 Email: alex at freeswitch.com Website:
https://www.signalwire.com



On Thu, Oct 24, 2019 at 6:06 AM Skaba Tomasz <Tomasz.Skaba at asseco.pl> wrote:

> Hi,
>
> We are struggling with an isssue related to late-offer reInvite. The
> scenario is as follows:
>
> (A)  --  INVITE (SDP1) --> (Freeswitch)
>
> (A) <-- 200OK (SDP2) –   (Freeswitch)
>
> (A) –           ACK           --> (Freeswitch)
>
> (A) – INVITE (noSDP) --> (Freeswitch)
>
> (A) <-- 200OK (SDP3) –   (Freeswitch)
>
>
>
> For clarity i skipped non important messages. The important thing is that
> when Freeswitch receives noSDP reInvite it responds with last negotiated
> SDP (same codecs list) so in above scenario SDP3=SDP2. According to RFC UAS
> should send its full capabilities so i think Freeswitch should send as many
> codecs as it would send in response to initial Invite in late-offer.
>
>
>
> Moreover when Freeswitch receives an initial noSDP Invite it respond with
> it’s full capabilities which is desired behaviour.
>
>
>
> The version of Freeswitch we are using is 1.2.10 but i confirmed on newest
> version that the behaviour is the same.
>
>
>
> I would appreciate any clues and hints how to deal with this issue.
>
>
>
>
>
> Best Regards
>
>
> *Tomasz Skaba*
> Projektant
> Pion Telekomunikacji i Mediów
>
> *Asseco Poland S.A.*
> ul. Sadowa 29
> 33-100 Tarnów
> mobile: 691 996 608
>
>
> *tomasz.skaba at asseco.pl <tomasz.skaba at asseco.pl>asseco**.pl*
>
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