We have gone round and round on getting our ss7 link up. We can get the cics to 
align and the signaling link to come up. However, when we dial there is no 
audio in either direction.

Chan_dahdi:


[trunkgroups]
[channels]
context=default
usecallerid=yes
hidecallerid=no
callwaiting=no
usecallingpres=yes
threewaycalling=no
transfer=yes
canpark=no
cancallforward=no
callreturn=no
echocancel=yes
echocancelwhenbridged=yes
relaxdtmf=yes
rxgain=0.0
txgain=0.0
immediate=no
prematureaudio=no
language=en
group=1
signalling = ss7
ss7type = itu


linkset = 1
pointcode=6314 ; switch point code
adjpointcode=12450 ; peer point code.
defaultdpc=12450 ; per point code.
networkindicator=international
slc=0
;ss7_internationalprefix = 00
;ss7_nationalprefix = 0
;ss7_subscriberprefix = 
;ss7_unknownprefix = 

mtp2=1
sigchan=1
context=default
cicbeginswith = 2
channel = 2-31
cicbeginswith = 33
channel = 32-62
cicbeginswith = 65
channel = 63-93
cicbeginswith = 97
channel = 94-124

Dahdi system.conf

span=1,1,0,ccs,hdb3
bchan=2-31
dchan=1
echocanceller=mg2,2-31

span=2,0,0,ccs,hdb3
bchan=32-62
echocanceller=mg2,32-62

span=3,0,0,ccs,hdb3
bchan=63-93
echocanceller=mg2,63-93

span=4,0,0,ccs,hdb3
bchan=94-124  
echocanceller=mg2,94-124

loadzone = fr
defaultzone = fr


Any ideas? 

Running  Asterisk 1.8.4.4, DAHDI Version: 2.4.1.2 Echo Canceller: MG2, libss7 
version: 1.0.2

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