IP Telephony and Phones

We have on-prem CUCM and still using PRI.  We have Cisco Jabber installed on laptops that must be connected to VPN to register to CM so users can make and receive calls.  We would also like for Jabber to register to CM even when not connected to VPN....

Hello is there anyone know how to manually reset cisco ip phone 7911

Hi guys, We have two sites with a 2951 GW with ISDN PRI and a 2921 GW (CUBE) with a SIP Trunk. We have a requirement where we have been asked to show a calling name for known numbers like the employees mobile numbers. I used the Number-to-Name TCL sc...

Hello I found this script modify_calling_name.tcl and thought I could use it to have all outbound calls from my customer default to the company name. It seems to work just fine. Only thing I couldn’t figure out was how to get rid of the Quotes. It ap...

After installing Cisco IP Communicator and running it for the first time, the Audio Tuning Wizard does not recognize the Logitech headset. In other words, when clicking the drop-down menus for "Headset", "Speakerphone", and "Handset", the only availa...

Hi, I'm new at Packet Tracer. I'm supposed to create a scenario with six IP phones. I've configured a VoIP server on a router that also provides DHCP service just for the phones. However, the phones that are connected to a PC are getting IP addresses...

I have a unique situation and I need a unique solution. We have a phone (Model 8841) set up to barge into another phone (Model 7841) so calls can be monitored. These calls are sensitive in nature and now the people monitoring the phone (using the 884...

I have a Cisco 7841 phone that we are using in a lobby with locked doors beyond it.  I am trying to us CM to setup the phone screen to show the speed dial numbers of two people in the building that could let the visitor in.  Is this possible?  If so,...

Hi,is it possible and how to disable replying to SIP Ping option sent from ITSP but allowing other SIP messages? Situation is that our ITSP is using SIP ping to detect link availability, so if there is no response on SIP ping they redirect new calls ...

Hey, I have a strange problem with my Cisco Unity Subscriber, when i try to connect the admin page I get "Log on failed - invalid User ID or Password" even the username and the password is correct. I try to reset the password even I'm sure that the p...

Hi   I would like to add add multiple new IP phones models 7821 and CP8821 to the CME on ISR 2921 router, But current IOS/CME version does not support these phone models (flash:c2900-universalk9-mz.SPA.153-1.T.bin) , So I want to upgrade IOS on ISR 2...

Good afternoon, Is there a way to enable the change credential function on desktop VTCs to allow users to change their pins on extension mobility? I am in the process of enabling this function in my organization and was able to enable this on small d...