Michael,
I've seen this, and problem was SS7 configuration between telco
switches. Basically, they configured isdn switches so that isdn
calls can be made in only one direction.
Have you tried to connect plain phones into NT1 (in case that
NT1 supports them) and to call other location from phone ?
Ask your telco to check.
Sasa
Michael Gergov wrote:
>
> Hi everyone,
>
> I was troubleshooting a DDR Backup with ISDN line, here is what happened.
> Location 1 was setup to initiate the call, Location 2 to accept it . (I
went
> trough the config n+1 times).
> The connection was never established. I set up the syslog server and
> debugging of Q931.
> Here is the excerpt out of the syslog.
>
> DISCONNECT pd = 8 callref = 0xC9
> Cause i = 0x81D8 - Incompatible destination
> Signal i = 0x03 - Network congestion tone on
>
> I put 1 in front of the dial string xxx-xxx-xxxx, and it changed to the
> following.
>
> DISCONNECT pd = 8 callref = 0xF4
> Cause i = 0x82A2 - No channel available
> Signal i = 0x03 - Network congestion tone on
>
> DISCONNECT pd = 8 callref = 0xA2
> Cause i = 0x80C1 - Bearer capability not implemented
> Signal i = 0x03 - Network congestion tone on
>
> Than I reversed the configuration-Location 2 calling Location 1 - It was
> working just the way it supposed to.
>
> I am not an ISDN specialist,so can someone tell me, what my problem with
the
> first setup was?
>
> Many Thanks,
> Michael
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=20423&t=20403
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