IP Telephony and Phones

I have a new 7975 Cisco IP Phone that is disconnected continuously. I followed the next steps: - Change Network port - Change Module Phone - Change Phone

Hi there, I have CUCM-BE running on a BE6000M. The CUBE is also running on this device and the device is in the DMZ. So set-up is: CUBE <---DMZ--->F5 firewall <----> ITSP Note: CUBE is on a private IP address and only one interface is been used Th...

Hello All    I met a strange issue.  Please tell me if you have any advice. Thank you in advance !     Call manger version is 10.5.2 . Phone is 7941.      The phone speaker button light automatically when I pick up the handle to answer a incoming cal...

Hi Guys i have a task to link CUCME and Avaya server by SIP trunk  i have a CUCME and some cisco ip phones om my site and want to link it with Avaya server located at another branch so i don`t have problem with configure cisco IP Phones with sip prot...

What is the best practice to get old modems to work on a VG350? The scenario is: VG350 (SCCP) > CUCM > MGCP (voice gateway) > PRI. The Fax passthrough vs modem passthrough is somewhat confusing in the documentation. We are migrating a site from a Nor...

Hi, Please  give me solution, I use Cisco Phones and i want to lock with code pin some phone Thank you

Hello all, Am  deploying Cisco expressway in my lab, want to know the port details of edge servers to be opened in firewall for internet login can any one help ?

Hi, Can i please be directed of how to get reports from CUCM 10.5. i am asked to provide the report of an external number, who called this number xxxxxx and from which extension ? please advise, Thank You, Erin

Hi All, I'm having trouble registering my ATA 187 in 10.5. I've attached my config, ccsip debug, and a screenshot of the ata webpage. the ATA looks to have the DN's, but won't register. Any ideas? voice service voip ip address trusted list  ipv4 10...

Hi All, Please help me on how to change the router from CME to SRST mode, because CME only shown on the mode options "no SRST". Thanks and regards, Ralph

Dears, I am translating extension 111 after office hrs and weekends by TOD to a GSM number it is working fine for both internal and external users but the problem is I don't want a internal user's calls to be translated to the GSM number I want only ...