Hi everyonei have a problem with my cisco router & outcall to ITSPwhen we call any number, we get fast-busy tonei looked in "debug ccsip messages" output, and seen this error >>SIP/2.0 503 Service UnavailableReason: Q.850;cause=34;text="no circuit av...

Hi all,We're running Cisco IM and Presence 14 integrated with CUCM 14Users are reporting intermittent issues with presence status not updating correctly across devices,for example, when someone is on a call, their status sometimes still shows as "Ava...

i want to re-install my cucm with DRS backup (re-build it)i know ip + hostname must be same on new cucm..what other things i must get from old cucm ?