IP Telephony and Phones

I have an entire site with phones in the same DP, using the same CDC, with all the same MoH references on their lines and everyone but one is getting MoH and they are getting silence. About the only thing I haven't tried yet is a delete/rebuild of th...

Since the end of life has come for the 7911 series phones, What phone model is going to replace this phone? we really like the looks of this phone and have 3000 of them running in our system. I briefly looked at ciscos website but nothing stood out.T...

We are having an random issue where occasionally, when a mulicast group page is sent, it locks a phone.  It is random as its not a particular phone or port and it doesn't happen everytime a group page is sent.  The phones are using the latest fimware...

Hello Everyone,Looking for cisco router and switches that carries low noise when you powered on. Any ideas? I am trying to build a lab at home to be familiar with cisco voice. Which items do I need ?

Hi there,I am trying to configure MGCP controlled gateway but experiencing a call drop issue. A gateway has BRI card installed, when I try to make a call it rings but as soon as I receive call it just drop. I gathered some debug logs (Debug ISDNQ931)...

I have a Cisco 7940 phone running firmware P00305000101. I am unable to find a way to get it to connect to my tftp server, unlike the other phones with newer firmware.I tried searching for support documents on this and it seems everything mentioning ...

Hello,I recently upgraded the software on a VG248 to 1.3(2)ES2 and now calls on a analog push button elevator phone wont work. It calls fine but when other end user hangs up does not disconnect and you hear a fast busy. It disconnects with previous s...

Is there a minimum IOS version for a VG224 to be supported with CUCM 8.6?

                   Can anyone help in providing the information?How long the phone will register in SRST mode afetr the WAN outage. will take the scenerio as the phone is in SRST mode and the WAN is  not come up.Example: If u take avaya the phone wil...

How will someone know if the switch port is running Cisco Inline Power or IEEE 802.3af? Is there a show command which could provide this detail?Thanks!

Hi everyone,I have a geographically separated user attempting to use the callback softkey on a 7942 phone. The feature is not working and another technician stated that it is not supported on CUCME and used this as a reference:http://www.cisco.com/en...