Cisco CME with PBX integration
Hello all, In this, document i will tell you how to successfully integrate Cisco Call manager Express (CME) with any third party PBX with examples. This process is called PRI Trunking or PRI integration. Recently i was into PRI integration with 3 Cisco routers (Cisco 3945, 2951 and 4130) with IRIS lite PBX. Integrating a PBX is not a that hard as we think, but it's bit sensitive. Sensitive in the sense while during the PRI integration we just need to be careful while assigning the parameters, they should match at both ends, i.e., on PBX side and CME side as well. The very first thing to consider for PRI trunking is "cable". Yes, the cable which needs to connected between PBX and CME should be a cross over cable. For connecting a cross over cable, at cisco side we should connect to 1,2 4,5. In PBX side we...