Kanelbullar wrote:
Hi guys,
We are experiencing a problem with a T1 PRI connection. After trying a
number of variations in the configuration files, the behavior is
always the same: no B channels come up and the D channel doesn't
appear to be working well. We can see there are AT&T Maintenance
messages being exchanged by asterisk and the provider, CONNECT and
CONNECT ACKNOWLEDGE, but that doesn't appear to be enough to bring the
D and B channels properly up. Are there any messages missing? When we
attempt to make a call, we can see the Q.931 SETUP message being sent.
But shortly after we are getting a LAPD DISC message, which ends up
originating a Q.931 DISCONNECT message, terminating the call.
What could be the problem here?
* Could there be any configuration issue on our side?
* Does libpri provide complete support to the AT&T Maintenance
protocol or could this connection be incompatible?
span=1,0,0,esf,b8zs,crc4
This needs to be span=1,1,0,esf,b8zs
I'm not sure if the crc4 is necessary.
Doug
--
Ben Franklin quote:
"Those who would give up Essential Liberty to purchase a little Temporary Safety,
deserve neither Liberty nor Safety."
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