SS7 no audio

Asterisk Asterisk Support
1

Hi Guys,

I got my SS7 link up an running. CAlls are working but I only get audio after I hit a key. When I call my colleague we can only hear each other after I (calling party) hits a key.

See my config below.

[trunkgroups]
[channels]
context=in_dahdi
switchtype=national
usecallerid=yes
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes

signalling = ss7

ss7type = ansi

group=1
callgroup=1
pickupgroup=1

ss7_called_nai=dynamic
ss7_calling_nai=dynamic
ss7_internationalprefix = 00
ss7_nationalprefix = 0

; All settings apply to linkset 1
linkset = 1
context=in_dahdi
pointcode = x-x-x
adjpointcode = x-x-x
defaultdpc = x-x-x
networkindicator=national

cicbeginswith = 102
channel = 2-24
sigchan = 1

group = 2

linkset = 2
context=in_dahdi
pointcode = x-x-x
adjpointcode = x-x-x
defaultdpc = x-x-x
networkindicator=national

cicbeginswith = 126
channel = 26-48
sigchan = 25

2

Hi if the your ss7 link is up you must check the CIC allignment with the swich you are connected to. You can make à test first with one E1 and one ss7 link.

3

hi:
yes, you should check the CIC, make sure match that.

4

Yes,

In ss7 no Audio is mainly CIC mismatch between the two offices. Please re check your CIC again.