[cisco-voip] Grouping PRI Channels

[Ramiz Sardar]

Friends,

I am working on voip setup where Ericsson PBXs are connected with cisco 3800
routers. You can see topology below:

Phones-------PBX-A----Router-A-------------------------Router-B------PBX-B--------Phones

PBX is connected with router through E1 Pri (qsiq) where as Router are
connected via E1 link.

Issue is: before voip setup PBXs are connected point to point and TDM
engineer divided channels in to two groups. One from channel 1-18 for
subscribers and other from 19-31 for Operators. So when subscriber come on
trunk, it was assigned channel from 1-18 and operators are assigned channel
from its range. Now i put routers between PBXs so when operator of PBX-A try
to dial number, operator is assigned channel from its range on PBX-A and
forward to Router-A. When that call reaches Router-B, it assign first
available channel on pri that is connected with PBX-B. But we want channels
are assigned by Router-B must be same that assigned by PBX-A.

Hope you will have understand my problem. And please tell me the
solution.......You immediate response will be appreciated.

Best Regards
Rameez
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