[Freeswitch-dev] Session Progress and RINGING

[Anthony Minessale]

no, once it gets session progress it will not send any ringing.
The sip side 180 ringing is used to tell the phone to generate its own
inband ringing.

does your 183 session progress contain a sdp?


On Thu, Nov 4, 2010 at 10:25 AM, Bernhard Suttner
<bernhard.suttner at winet.ch> wrote:
> Hi,
>
> A ---> FS ---> B
>
> B does send a Session Progress to FS. FS will forward the Session Progress to A.
> B does send a RINGING to FS. FS does _not_ forward this to A.
>
> Could it be, that the check the switch_test_flag(channel, CF_EARLY_MEDIA) in mod_sofia.c within the INDICATE_RINGING section is wrong. I think it is allowed to send the Session Progress first and later the RINGING. The ringing is for example for SIP/ISDN gateways necessary.
>
> Any hint is appreciated.
>
> Best regards,
> Bernhard Suttner
>
>
>
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Anthony Minessale II

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