[Freeswitch-users] 'Received DISCONNECT' numerous times before connecting

Sudhanshu sudhansh at gmail.com
Wed Oct 15 17:56:55 MSD 2014

Hi all,

I am using a GSM Box with 15 sims to imitate a PRI card. But most of the
time, just after the destination number is picked the call disconnects,
x-lite shows an error 'Failed to establish call'. In around 1/6 times the
call connects properly. Similar setups with PRI cards are working

The relevant traces are as following:

Sangoma stack trace:
2014-10-15 19:19:07.506516 [DEBUG] ftmod_sangoma_isdn_trace.c:224 [SNGISDN
  Prot Disc:Q.931/I.451 (0x08)
  Call Ref:0FC7 (Destination side)
  Type:DISCONNECT (0x45)
  Cause:coding:ITU-T(0) location:User(0) val:Normal call clearing(16)
  Progress Indicator:coding:ITU-T(0) location:Private network, local
user(1) descr:In-band data ready(8)
  [ 08 02 8f c7 45 08 02 80 90 1e 02 81 88 ]

Freeswitch debug info:
2014-10-15 19:19:07.506516 [INFO] ftmod_sangoma_isdn_stack_rcv.c:232
[s1c1][1:1] Received DISCONNECT (suId:1 suInstId:783 spInstId:863)

Any suggestions?

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