Nortel Meridian Meridian 1 Feature Description And Administration page 932

Page 932 of 1814
ROUT 0 - 511
0-127
...
SBOC
(NRR)
RRO
RRA
- COPT
(1)
2
553-2901-301 Standard 9.00 January 2002
ISDN QSIG Alternate Routing
Route Number for Options 51C-81C.
Route Number for Option 11C.
Step Back On Congestion option.
No re-routing.
Re-route if congestion is encountered at the originating
node; if congestion is encountered at a transit node,
drop-back to the originating node, so that the originating
node decides if re-routing is needed (the IDBB prompt in
this LD 86 must be set to DBA or DBI).
Re-route whether congestion is encountered at the
originating or tandem node.
Conditions that may cause QSIG Alternate Routing. These
values are contained in signaling messages that trigger
alternate routing.
The COPT prompt is generated only if SBOC = RRO or
RRA.
QSIG Alternate Routing is supported due to the following
causes:
— Cause 34, "No Channel or Circuit Available"
— Cause 38, "Network Out of Order"
— Cause 42, "Congestion"
QSIG Alternate Routing is supported due to the following
causes:
— Cause 27, "Destination is Out of Service"
— Cause 34, "No Channel/Circuit Available"
— Cause 38, "Network Out of Order"
— Cause 42, "Congestion"