IP Telephony and Phones

Hello,i tried to reset two of my cisco ip phone 7961 to factory default.i tried 123456789*0# the phones went to upgrading mode and sat there for a while then i tried 3491672850*# now nothing happen just a blank screen. Any idea how to make them work ...

Dear all,we are using a UC 560 with some telephones and one confernce phone IP 7937. The problem is after changing some settings we have to delete the telephone via CCA 3.01Now we want to setup the phone again. The problem is that our telephone is re...

Does anyone have any experience utilizing a push button telephone entry system on a CME ?I have a customer needing to deploy a solution.  They've currently got a Linear RE-1 analog system; when the button is pushed it will take the FXO port off hook,...

Hello allI am looking for some advice on the best way to throubleshoot an issue on some remote gateways that I help look afterThe system was originally set-up by an external contractorThe system is set up with a central CUCM cluster with a Cisco 2851...

Hello,I wanted to upgrade my VG224 to the latest ios.  Does someone have step-by-step on how to do it using HyperTerminal?

Hi Guys,I want to know if there is a relationship between 802.1x authentication and cisco PKI encryption.We are facing some problems with many IP Phones. After we installed PKI encryption on ip phones using 802.1x , many of them began to fail : the i...

Hi there,does anyone know if these credentials are sent in SIP Invites?I aim to connect to a Public SIP network and would like to use this for emergencey services in the UK,.

We have a single publisher/subscriber running 7.1.3 as well as a single Publisher Unity Connection server running 7.0.2 and Cisco Emergency Responder 7.1.3.  There are several questions that I have pertaining to our production environment.  We have r...

Good afternoon - I have a issue that I hope someone else has experienced. I have a call manager at our corporate office, and a remote location has a 2951 as a gateway. This location has a local PRI. I have this set up just like our other locations, a...

Hello All,I have upgraded our Unity Connection from 7.1.3 to 8.5.1. The log file shows the upgrade has been completed. See the message below:02/13/2012 03:05:49 upgrade_install.sh|Upgrade Complete -- (0)|<LVL::Info>Successfully installed UCSInstall_U...

OK, this is starting to give me a headache. I had to rebuild my CUCM 7 at home because of a harddrive failure on my VM. Calls come in from my SIP trunk provider to my CUBE, then get sent via H323 to CUCM 7. Outgoing calls work just fine. But, incomin...

HiI have a problem with Attendant Console 8.6.1 (atleast thats where i think the problem is).When a caller calles a user directly and the call isnt answered it its diverted to the switchboard. This works, most of the time but every now and then it f...