[Freeswitch-users] No ringtone to caller when third party call control (3PCC) is enabled

[Brian West]

Yes please submit a JIRA.

On Wed, Sep 12, 2018 at 2:38 AM, Jaan Kaja <Jaan.Kaja at enghouse.com> wrote:

> Hi,
>
>
>
> I have configured "enable-3pcc=proxy" in the SIP profile, and have an
> external application that controls answer-call, make-call, etc. The
> configuration means that incoming calls w/o SDP are accepted, which works
> fine.
>
> The problem is that when I make an outgoing call, ringtone is not played
> to the caller, although the “ringback” variable is set for the caller's leg.
>
>
>
> I have checked the code in mod_sofia, and in sofia.c, there is a piece of
> code:
>
>                                                           if
> (sofia_test_flag(tech_pvt, TFLAG_SKIP_EARLY)) {
>
>
> sofia_clear_flag_locked(tech_pvt, TFLAG_SKIP_EARLY);
>
>                                                                                        goto
> done;
>
>                                                           }
>
> which disables reaching the ring-ready state. TFLAG_SKIP_EARLY is set when
> TFLAG_3PCC is true. If I comment out the goto statement, the A-party gets
> ringtone. N.B.: This is just a minimal quick fix, not a proposed solution,
> which works because I’m not doing an enterprise originate.
>
>
>
> Question: Is there a reason for this behavior? Documentation shows that
> early media must be disabled when an enterprise originate is done, but why
> is playing ringtone disabled in this case? Should I submit a bug report to
> Jira?
>
>
>
> Best regards,
>
> Jaan
>
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