IP Telephony and Phones

I'm currently facing an issue with configuring the 'telephony-service' command in Cisco Packet Tracer. My intention is to set up a network based on the depiction in the first image. However, I'm encountering an error, and what's perplexing is that th...

Hi everyone, I have a client with a few analog trunk lines that physically run into a Cisco 2901 voice router. The problem they're having is that when an incoming call comes in and that caller hangs up the phone before the callee has a chance to pick...

Hello Community,I am trying to confirm if the Cisco cp-8821 phone is compatible for hunt group feature. Checked the product features, admin guidelines and no confirmation.Any cisco referenced documents would be appreciated.Thanks

HiI converted an old UK Series 706 telephone to work on modern systems. I can receive incoming calls but obviously not make calls. I bought a Cisco VG202XM brand new and boxed.However it is a bit beyond me to know where to go now. The on-line tutoria...

Hello guys,I want to connect prima cell with sim card to fxo port and make prima cell dial number automatically, does anyone know how can I make it ?Thanks 

Hi All,I need help regarding the phone screen feature. Our product uses a built-in Cisco IP phone feature that provides the current phone screen as PNG or BMP image via HTTP access.Phone Screen URL: http://<IP-ADDRESS>/CGI/ScreenshotProblemThis phone...

Can anybody help on how to allow the CISCO phone I purchased be registered from the previous owners number to our company number, tried all resets but always keeps showing old number and will not allow phone to work, I am not that savvy with Telecomm...

Hi Team, Recently, we performed a CUCM failover activity at one of our customer premises. After the failover, users attempted to log in to Jabber and noticed a weird behaviour: it only worked on their laptops (Windows) within the BCP network(during t...

Hello Team,We have recently come across the issue of phone to terminate unexpectedly(It happens randomly and to almost all extension from time to time, to some extensions it can be after answering calls then the call terminates, to others it last for...

Good Day,After adding and configuring a Cisco 7841 phone in the CM14, and then going to the phone for activation, it's asking for a Primary number and Pin. I absolutely know that enabling a 'PIN' in the configurations isn't an option to select. When ...

Our MRA environment consists of both phones registered via Activation Code and phones registered with user credentials.  I want to identify which method was used in order to convert those registering with user credentials to Activation Code.  Is ther...