IP Telephony and Phones

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We decommissioned 2 two subscribers from a cluster. CM 4.1.(3) SR6.  In the RTMT summary screen, within the status bar the folowing error is received"Reply contains warning, [ReturnCode]=11, [Warning]=Remote RISDC is down or unreachable: <decommed se...

We have 6 sites all connected over an IP MPLS netwok.  Chicago is the Host with Call Manager 6.1.  All sites have 2821 H.323 Gateways.  All sites have the same running config on the Gateway for QOS.  2 our sites keep having issues with phones going i...

I have to connect a PBX to Cisco 1861 with CCME. The PBX is a local made and is not having any ports(FXO,FXS,BRI,E1,T1) , instead they have already done the wiring in the entire campus and has terminated it to wall jack. Now i want to know whether it...