[asterisk-ss7] No Audio on SS7 calls to Remote PRIs

[Jean Cérien]

just to clarify... you have the following setup: ss7 -> asterisk -> sip ->
softphone

where is the PRI ?



On Thu, Sep 30, 2010 at 11:04 AM, Stephan Ellis <stephan.ellis at gmail.com>wrote:

> I do see audio being received, but I don't hear it on my softphone.  I see
> no TX at all.  Interestingly, the guy on the pri I was calling said he could
> hear me.  The remote pri is an asterisk box, so i set a DID on it to go
> straight to the echo test.  While that system is playing demo-echo I see RX
> on my end, but when the actual echo test starts i see nothing.
>
> -stephan
>
>
> On Thu, Sep 30, 2010 at 9:45 AM, Jean Cérien <cerien.jean at gmail.com>wrote:
>
>>
>> Hi
>>
>> Have you tried using dahdi_monitor to see if any sound is received ?
>>
>> Rgds,
>> J.
>>
>>   On Thu, Sep 30, 2010 at 10:15 AM, Stephan Ellis <
>> stephan.ellis at gmail.com> wrote:
>>
>>>  All,
>>>
>>>   I've got a problem on my SS7 implementation.  When I originate calls
>>> across my SS7 link and the call lands on a PRI, I get no audio in either
>>> direction.  The stack I am using is:
>>>
>>> Asterisk 1.6.2.13
>>> DAHDI 2.4.0
>>> libss7 1.0.2
>>> libpri 1.4.11 (not sure if i need that, but thought it might be needed
>>> for ISUP stuff)
>>> WANPIPE 3.5.15.4
>>> Linux Kernel 2.6.18-194.11.4.el5 on Centos 5.5
>>>
>>> The whole stack was hand compiled on the server (not from repos).
>>>
>>> My dialplan is pretty simple, possibly too simple:
>>>
>>> exten => _XXXXXXX,1,Dial(DAHDI/g0/${EXTEN})
>>> exten => _XXXXXXX,n,Hangup()
>>>
>>> My chan_dahdi.conf looks like this:
>>>
>>> ;autogenerated by /usr/sbin/wancfg_dahdi do not hand edit
>>> ;autogenrated on 2010-09-24
>>> ;Dahdi Channels Configurations
>>> ;For detailed Dahdi options, view /etc/asterisk/chan_dahdi.conf.bak
>>>
>>> [trunkgroups]
>>>
>>> [channels]
>>> context=default
>>> usecallerid=yes
>>> hidecallerid=no
>>> callwaiting=yes
>>> usecallingpres=yes
>>> callwaitingcallerid=yes
>>> threewaycalling=yes
>>> transfer=yes
>>> canpark=yes
>>> cancallforward=yes
>>> callreturn=yes
>>> echocancel=no
>>> echocancelwhenbridged=no
>>> relaxdtmf=yes
>>> rxgain=0.0
>>> txgain=0.0
>>> group=1
>>> callgroup=1
>>> pickupgroup=1
>>> immediate=no
>>>
>>> ss7type=ansi
>>> signalling=ss7
>>> ss7_called_nai=dynamic
>>> ss7_calling_nai=dynamic
>>> ss7_internationalprefix=00
>>> ss7_nationalprefix=0
>>> ss7_subscriberprefix=
>>> ss7_unknownprefix=
>>> networkindicator=national
>>> explicitacm=yes
>>> linkset=1
>>> pointcode=1-1-1
>>> defaultdpc=5-9-192
>>> adjpointcode=5-9-192
>>> group=0
>>> cicbeginswith=1
>>> channel=2-24
>>> sigchan=1
>>>
>>> context => from-pstn
>>>
>>>
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>>
>>
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>
>
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