Hi Marcin,

This is due to a race condition. The socket can be closed before all events are send.

You need to tell FreeSWITCH to "linger". See: https://wiki.freeswitch.org/wiki/Event_Socket_Outbound#Events.


Regards,
Kenn


On Mon, Feb 17, 2014 at 1:18 PM, Marcin S <ms4esl@gmail.com> wrote:
Hello,

I have another issue that is unclear to me. After "hangup" esl returns events ESL_EVENT_CHANNEL_HANGUP (always), ESL_EVENT_CHANNEL_STATE (twice, but I really don't care for that) and ESL_EVENT_CHANNEL_HANGUP_COMPLETE (sometimes).

Why ESL_EVENT_CHANNEL_HANGUP_COMPLETE is not always generated?

In /var/log/freeswitch/freeswitch.log there are some entries which may have something in common with this issue:

2014-02-14 14:27:05.079484 [DEBUG] switch_core_session.c:1492 Session 131 (sofia/vlan25/379) Locked, Waiting on external entities
2014-02-14 14:27:05.079484 [NOTICE] switch_core_session.c:1510 Session 131 (sofia/vlan25/379) Ended

Second question - when is ESL_EVENT_CHANNEL_HANGUP generated? After hangup? Before hangup? It is important for me, because sometimes I have to originate another call somewhere, but I can't do this when previous call (in another session) is not fully released.

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