IP Telephony and Phones

Hi All, we have four CME sites. three sites can make and receive the call from the other sites over the VPN site to site. One of the site can make a call to all other sites, but no site can call this site. Buttom line one the site doesn't accept call...

Lets say its what is being pulled from LDAP.+1555.555.5555x5555

I am trying to use CME as SRST backup at a remote site. I have centralized CM and Unity. If the wan goes down and the phones fallover to CME is there a way like in SRST that the call to pick up a vm gets routed over the PSTN?

Hi Everyone,We currently have the need expand our 4 digit dial plan to 5 digits. Reason Overlaps in number ranges available to us from the telco.Location is in NA (US and Canada)currently we have 10 office deployed and have 19 more to addWe also have...

I have Head Office (HO) and 50 Branch offices, at the moment Call manager is configured only in HO, but I want to integrate the branch offices and want to deploy the cisco IP phones on each site. I know to integrate them via Data network (MPLS, DSL o...

Can't seem to find upgrade instructions to Upgrade CUCM 6.1.2 to 6.1.3

After a reboot of the server (changed domain name) the TFTP service will not stay started - says Component is not running. I have it activated in serviceability, but when I start it, it wont stay started. Also the Call Manager service stopped after s...

Hi all,Is there a good doc that would explain good sizing of the brand new CCM system? For example something that would say something like :-for 0-500 phones you are good with PUB and SUB-for 500-1000 phones you need PUB and two SUBs and additional ...

hi,we had unity before with our call manager.later we removed it from network.but some of the phones are still showing message wiating indicator on the phone.but as the unity server is not existing,we cant delete it.even its not possible to dial the ...