IP Telephony and Phones

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We have Cisco IP Phone 7945, Call manager version 9.1 in our network. There was an issue with the time displayed on the phone due to which I tried to upgrade the firmware on the phone by resetting the phone to factory default (as per the procedure). ...

Running callmanager 8.6.2 and have cisco 7962 and 7961 deploy in one of our site utilizing SCCP however the ssue: currently I'm unable to get my 7962 or 7961 phone to register with cucm. Error message on 7962 phone "TFTP Timeout" any idea

Resolved! CUCM Certificates

I have a couple questions regarding certificates and CUCM.  First of all it looks like there are no wildcard certificates allowed in CUCM.  Even in 10.5 where they say the issue is resolved there is not wildcard support just the addition of mutliserv...

Resolved! SRST licenses

Hi,I am in process to design a VOIP solution. I am confuse on one point.Customer has single site with 50 VOIP users and 15 analog users. I am quoting 2921 Voice Gateway with SRST. For analog devices, we are proposing single VG224.  How many total SRS...