[asterisk-ss7] Two F Links from EWSD to two different asterisk boxes

Stephan Ellis stephan.ellis at gmail.com
Wed Sep 1 15:57:13 CDT 2010


Hell All,

I am using:
Asterisk 1.6.2.10
Libss7 1.0.2
Latest DAHDI and Wanpipe from Sangoma

I two T1's from the Siemens each with an F link connected to two different
T1.  Our Siemens guy is telling us that we need to set the Link Code on the
second box to 1.  I set slc=1 in chan_dahdi.conf on the second box, but it
doesn't seem to make a difference, the link just keeps flapping:

[Sep  1 15:49:16] WARNING[18441]: chan_dahdi.c:11640 ss7_linkset: MTP2 link
down (SLC 0)
MTP2 link up (SLC 0)

Looks to me like slc setting in chan_dahdi.conf is ignored.  Any Ideas?

-stephan

Here is my dahdi system.conf:

loadzone=us
defaultzone=us

#Sangoma A104 port 1 [slot:4 bus:3 span:1] <wanpipe1>
span=1,1,0,esf,b8zs
bchan=2-24
mtp2=1
echocanceller=mg2,2-24


And here is chan_dahdi.conf:

[trunkgroups]

[channels]
context=default
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
relaxdtmf=yes
rxgain=0.0
txgain=0.0
group=1
callgroup=1
pickupgroup=1
immediate=no

;Sangoma A104 port 2 [slot:4 bus:3 span:1] <wanpipe1>
switchtype=national
context=from-pstn
group=0
echocancel=yes

signaling=ss7
ss7type=ansi
ss7_called_nai=dynamic
ss7_calling_nai=dynamic
ss7_internationalprefix=00
ss7_nationalprefix=0
ss7_subscriberprefix=
ss7_unknownprefix=
ss7_explictacm=yes
pointcode=1-1-1
adjpointcode=5-9-192
defaultdpc=5-9-192
networkindicator=national ;NI value for MTP3
linkset=1
slc=1
sigchan=1
cicbeginswith=1
channel=2-24
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