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

[Michael Jerris]

Sangoma has the code set to not send the connect_ack even when required by spec without some param set.  Please contact sangoma support for details on what needs to be set.


On Mar 2, 2013, at 4:59 AM, Dmitriy Shumaev <pm_zefman_r at mail.ru> wrote:

> 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)?