I am working on voip setup where i am trying to configure modem passthrough but i am encountering slips issue. My topology you can see below:
Note: RAS is connected with PBX1 via PRI, PBXs with routers(c3800) via E1 PRI (Qsig). Routers are connected back-to-back via E1. All devices are in same testing lab.
when dialup user try tot connect with RAS, modem keeps negotiating and not gets connected. Something it gets connected but after a while gets disconnect.
I diagnose the problem, that is not because wrong configuration but it is due to clocking missmatch between Routers and PBXs. Thats why when i run command "show controller e1 0/0/0", i find slips there.
Please someone suggest me how to get this issue resolved. And also tell me the best prectice regarding clocking for the topology above.
Waiting For your positive immediate response.....