[Freeswitch-users] Sangoma ISDN How to send CONNECT ACK to Net-side for outgoing call (User to Net)

[Dmitriy Shumaev]

 Hi

I have a problem in connection of Sangoma A101 board and LG LDK-100 PBX. Incoming calls from PBX  are processed successfully . But outgoing calls to PBX fail because of T313 Timer = 4 seconds between CONNECT and CONNECT ACK.
Simplified diagram of the Q.931 signaling is next:
User (Sangoma, cpe) <-> Network (PBX LG)
-> SETUP
<- PROCEED
<- ALERT
<- CONNECT
// 4 seconds
<- DISCONNECT (Recovery on timer expired)
-> RELEASE
<- RELEASE COMPLETE
. Full log and sangoma configuration files are attached.

As stated in [ITU-T Q.931 05/98 :: Figure A.2/Q.931 – Overview protocol control (user side) (sheet 2 of 7) :: page 186] - CONNECT ACK *could* be sent.

So, how can I configure FSW to send CONNECT ACK for outgoing calls (if it is possible)?

Thanks to all.


With best regards, Shumaev DA, KBR Ltd.
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