At least the said elements are correctly configured as far as I remember.
But while going through the debug I found * Cause i = 0x82FD - Unknown
cause value* which when checked thoroughly points to the PSTN :(
Understanding debug isdn q931 Disconnect Cause Codes
82—the public network near the local
For AAR with Unity Connection (SCCP integrated) you should check the following
in your config:
On the Gateway (BR1-RTR)
AAR Group
AAR CSS
On Hunt Pilot for VM ports
AAR Group
External mask
Route Plan
Ensure that the AAR CSS on the GW hits the appropriate RP/PT
I typically have a separate pattern
While calling from PSTN to 6178631002 (primary extension at BR1) and when
not answered, it was supposed to go to the UCx via PSTN (AAR is invoked).
The call fails with "invalid IE".
The debug at BR1 is here.
BR1-RTR(config)#
Feb 4 15:05:34.662: ISDN Se0/0/0:23 Q931: RX <- SETUP pd = 8 callref =