I am writing this document to help people who faces issues with MGCP auto-registration with CUCM. During migration of the GWs or due to netwrok disconnects between the GW and CUCM, the GW fails to auto-register with CUCM. And when we manually configu...

MOH media resource has been implemented in the CUCM to provide caller the streaming to music when placed on hold/transfer/conference.With introduction on Queuing in the Hunt Pilot in CUCM 9.x , there has been some changes done on the MOH audio source...

When call lands on Cisco Unity ConnectionThe unity connection arbiter checks if the call that has come to the UCX is a direct call or the forwarded call.Direct calls: If the message button of the IP phone is presses. If somebody has dialed the voicem...

Why we need to upgrade ATA 186 manually?ATA 186 running on firmware less than 3.2.4 has a limitation, by which it cannot download a configuration file greater than 4Kb in size. This has been reported under the Bug: CSCsd44357Note: The bug talks about...