IP Telephony and Phones

I need help. I have CISCO IP PHONE 7912 SERIES. How can I factory reset also I cannot find factory reset button. Also I lost manual the easy one that has picture. Can someone help me? It is locked right now I cannot unlock network configuration is lo...

Hello experts -This is almost embarrassing to ask, but here goes anyway!Do new 8800 series phones (specifically 8811s and 8851s) come with the phone sticker-labels for the headset, hold, mute, etc buttons?I have found a 3rd party that sells the stick...

HiA CUCM-to-SBC (Ribbon) trunk has been configured where any number matching the 8XXXX pattern is routed to the SBC and then to Teams. The directory numbers 87401, 87402, and 87403 have been added, and the SBC is set to discard the leading “8.”When d...

Hi I am trying to upload an MPP image. The tftp server  has the content SEPD42C44855D8E.cnf.xml <device><loadInformation>sip78xx.11-0-1MPP-477</loadInformation></device>   And the contents of the File cp-78xx.11-0-1MPP-477.zip which includes sip78xx....

Cisco UBE (CUBE) Connected to CUCM and Teams Call drops and goes to static from PTSNCalls from outside (PTSN) to CUBE to Teams drop after ring and replaced with Static noise. Anyone seen this before. We have 2 CUBEs and it was only affecting producti...

Can anyone recommend an amplified handset or headset you've successfully used on 8841? TIA!

Hi,We have cucm v 14. I am trying to modify caller number when dialing to one of the countries cell phone number outside of US to meet their requirements. Created specific partition for that country and calls , CSS with that partition/ for those call...

I'm having intermittent issues with my 8811 hookswitch and they are driving me nuts. The phone randomly thinks the handset has gone off (or on) hook, independent of the actual state. This behaviour continues even if I do not touch the phone for 10 mi...

No issue. Just an FYI for all of you.I just setup RTMT v15 and found that there was no installer. Just a program folder called CiscoRTMTPlugin with a run.bat file instead of an executable. I copied the program folder to c:\program files\cisco\ . Then...

Hello Experts,We have 5 digits internal calls from site A to siteB . Site A hears site B but not in the revers direction. Attached is the WireShark  capture.Many thanks, MK

if I have HQ and 12 Branches and need to order new IP telephony from Cisco with Voice gateway and enable SRST, how order it and how order A-Flex lice and SRST?