IP Telephony and Phones

hi freinds, how can i disable TelePresence Room feature in Expressway E and C ?? because from wan, i always see attack and try on these feature and i dont use it on my scenario, 

I have an overhead paging system connected to a VG310 using SCCP.  For the most part it works fine however there is one issue we have found.  If I call the paging number and hang up the phone while it is still ringing (before the paging system picks ...

Hello, We currently have cucm 12.5 and already have several sites configured with route pattterns, css, voice gateways, etc.  I was wondering is there like a report or like a site map in cucm of all of the current a configurations for a site that we ...

Hi. I´m about to deploy one CP8841 IP phone. The problem es that at the client dont have a POE switch, so I came with the idea of install a POE injector only for this phone. The injector is IEEE 802.3af compliant and capable of deliver 12.4W.This pho...

  Hi   So we have just learning CUCM 12.5 configuration. but not sure about Can we mapping text label (Name of my staff) into phone 7821 when they call incoming? (I don't sure call manager have global phone book?) Regards, Tom

Hi All, New Cisco IP SIP Phone 7841 and 7821 not showing call history ie while started dialing not pop up recently dialed numbers.it is working properly in other models 7945 and 7911. Thanks 

We have a user with a 7975 IP phone.  She has one DN configured at the first button and one DN at the last button.  There are six buttons in the middle with nothing.  She is able to get up to four calls at the same time on the top DN but not more.  W...

Hi All,We are facing audio packet loss issue while making or receiving Jabber PSTN calls Via VPN .We are unable to properly hear the person on the other end .This is happening only for PSTN calls  .At the moment we don't have  option to check calls f...

Customer is using 802.1x authentication for ip phones on current CUCM Cluster (version 9.x). We will migrate the phones to a new CUCM cluster (version 12.x)What is the best approach to deal with 802.1x authentication

88XX phones take more than 20 minutes to reboot. See below. this phone is not using VPN and user locale is set to none.Look at the time between each step.

Our 8851 phones frequently stop responding to web requests until reset.  It seems to be only this model (7841s do not have the same issue) and it's not a specific firmware.  Has anyone else seen this?  It did not appear prior to us moving to 11.5(1)S...

I am running CUCM version 6.0.1.2121-1. The Cisco CDR Repository Manager won't stay running after about 20 seconds. I click on the services and hit start and it will run about 20 seconds. Then after 20 seconds the time will restart and run again for ...

HiI have external call transfer restrictons in place on our Call Manager 10.5 system. I wish to remove the restrictions so that I can call a DDI from an extenal number, which then diverts to a mobile. I have set the feature service offnet-to-offnet t...

Hi, We have around 70 cisco 7945 ip phones, and we need to change the background image. Is there a way to push it from the call Manager for all phones automatically and apply the image without selecting it in each phone. I have followed the below ste...