IP Telephony and Phones

Hi Collaboration Expert, Please suggest me about changing sip port number for configuration of Cisco Collaboration Edge (MRA). If is it possible then where needs to change in expressway site as well as cucm cluster site. Thanks in Advance. BR Niza...

Hello Everyone,    I have a strange issue with one remote site. The setup is very simple: CUCM è H323 GW è FXO Card.   The call is working fine for seconds or minutes, sometimes more than 10 minutes. Suddenly the call disconnects. I checked the debug...

Can't downgrade cisco 7912 from sip to sccp

Hi, Telco is sending 4 digit ,  here is my dial peer  dial-peer voice 100  voip destination-pattern .. voice-class codec 1 session target ipv4:192.168.2.10 incoming called-number . dtmf-relay h245-alphanumeric no vad! and My extensions are 4 digit (...

Hi, Is it possible to make secure phone/jabber profile for encrypted communication without enabling mixed mode in cucm? We have currently cucm version 11.5. The reason for keeping the cucm to non-secure mode is , mixed mode cluster not supported by ...

Looking at compatibilty matrix , for 2900 series router 9.x is not supported. Can anybody confirm me whether am i able to upgrade or not?

Hi Concern, Please suggest me about security threats in IPT implementation in Banks with remote branches. Thanks in advance. BR Ahmed

Hi Team ,  Hi Team , I am trying to configure CDR for CME to an external syslog server . I have searched few online documents and found the necessary configurations as give below. CME-router #(config) service timestamps log datetime msec localtime ...

Hey Community,I got a Cisco 7970G IP phone that won't boot up after I did a factory reset. It was booting up prior to doing so. Here is what is happening when I plug it in:- Screen shows "Cisco Systems - Copyright 2002-2005, Cisco Systems, Inc", and ...

Hi All I installed CUCM 11.5, and 2 Gateway Routers, with 1 FXO card of 4 ports installed at eachI use in the 4-digit numbering (XXXX) of the IP Phones.My problem, I want to do a translation of outgoing calls from each group of directory number to an...

Hi, Can I configure CME in branch office as the backup of CUCM? CUCM is deployed in HQ office. I want to make CME as a backup of CUCM. Is it wise/good decision? BR Abdul Karim