IP Telephony and Phones

i have an old cucm 7.1.3 with a lot of cisco phones 6921 in firmware 8.5.3 and  I can't upgrade to versions 9.3 or 9.4 without going through 9.02 but I can't find the firmware in the cisco downloads can someone help me

Hi,cucm 12.5cisco ip phone 8865 & cp 8800 v-kem keeps rebootingsip8845_65.14-0-1-0201-171CP-8800-V-KEM Plugged it into the phone and keeps rebooting. The phone connected via an adapter cisco so power is ok. P.S. when it connected via PoE from catalys...

Hello Community, may someone can answer my "simple" question.Did anyone get Cisco IP Phone + CKEM running without addtional power cube for CKEM? I'm using Extreme B5G124-48P2 which is 802.3AT compliant but only the phone get power not the expansion m...

I'm connected to VPN.  IT has not been able to fix the problem.  The tech said buy a new headset but my headset works fine. Can anyone help with the fix?  I need to be able to communicate with customers. I'm not tech savvy and I need help please.

Hi!  I have with me a Cisco 8861 3PW and when trying to connect to the web server address, it is stuck in a loop.  I am trying to see if there is a way to get this fixed so I can use the phone.Cheers!

We've had a request recently to clear out cached numbers a user has entered in their forwarded numbers list in Self Care portal. Is anyone aware of how you could clear those numbers?

With a virtual CSR that has a specific throughput (e.g. CSR with 1000kbps throughput) how do I determine what message is sent back to the ITSP when the throughput limit is hit and no more calls can be accepted, when the ITSP endpoint is configured fo...

Hello,Does anyone know how it can be done in CUCM or CUBE to be able to block thousands of outgoing numbers to PSTN ? In CUCM it can be done and also in CUBE but for a limited number of PSTN calls, not for thousands and thousands in particular 140,00...

Hello, hoping someone can help. We were required to move a few DID lines from our list of DID's which were on our PRI connected to Call Manager. We still want to be able to call the Ext from internal and then have the call forwarded to the DID which ...

Dear Community,A couple of months ago Cisco gave us a new opportunity to write integrations for Cisco voice gateway - Cisco Unified Communications Gateway Services API Guide (Link). One of the available API’s is XSVC which can be used for route monit...

I know it's not recommended, but this is in a lab environment. I have CUCM connected directly to a SIP trunk provider and outgoing calls work fine. Incoming calls are getting rejected. I have the appropriate translation in place and have verified the...