IP Telephony and Phones

Hello everybodyi need serious help here,recently in my organisation they upgraded their PSTN phone system, this phone system connects to my Voice gateway cisco 2851 via serial port. when they upgraded their system they asked me to change some configu...

I have finally found a solid correlation to explain why some phone reboot at one of my sites.  If I find the time that a phone unregisterd from the UCM 7.1 server and then look at theDHCP lease table - the lease expiry is inevitably five minutes befo...

Hi All,We configured drop-through greetings for the queue in CME. The greetings is too long. Kind of wonder if there is some settings which can enable the "skip" feature allowing the caller press any key to skip the greeting. I couldn't find this set...

Hi,I did a remote site implementation a few months ago. My superior had purchased a Cisco ESW 540 8-Port POE switch to use with the 2811 router there. The 2811 is setup as an H.323 gw.  I did not have time to figure out how to configure the switch, a...

Can anyone tell me specifically why the 7940 phone needs 4 licenses?  In otherwords, what do those licenses represent?  CM license, RTU license, etc?

Hi,I want to know whether there is any way to make dial-peer with certain answer-address  to match prior to dial-peep with incoming called-number .T ?

I saw a couple similar posts, but no resolution...I have a simple Sub/Pub cluster running 7.1(5).  7945's and 7965's with SCCP45.9-0-2SR1S register fine with Pub, but I get "Registration Rejected: Security Error" trying to register to Sub.Thoughts?Th...

So I am configuring a Hunt Pilot in which it hunts through certain numbers first then I have a "Forward Hunt no answer" to the destination of *HuntPilotNO".The star in front of it will take it to voicemail.  Is there anyway to make it ring more than ...

HelloHere is our current config on a 2851 gatewaysnmp-server community Mystring ROsnmp-server location Mylocationsnmp-server contact My namesnmp-server enable traps snmp authentication linkdown linkup coldstart warmstartsnmp-server enable traps envmo...

Hi,I have an interesting issue in terms of caller-ID using a Cisco UCM 8 and a voice gateway.Before we were using CCM 4.3 with a Cisco 2800 for the Voice Gateway via MGCP.We moved to CUCM8 with the same voice gateway via MGCP.Everything works, but th...

Hello EverybodyI need a help with regard to the following:I have one EM-HDA-6FXO module installed on router Cisco 2951, and i need to establish power-fail connections in an emergency. The question is, how many analog phones can i connect on this modu...

HiWe just recently upgarded the Wireless Lan controller to the latest software release 7.0.98 which went well, We did have some new 7921G phones for which I could only load the latest firmware 1.4.1. The phones with this version of firmware is consta...

Hi,I need some information on how licensing work for upgrading from 7.x to 8.5. Do I need to obtain new license files from cisco? What happens to my existing un-used CUWL license PAKS.I am little confused on how licensing works. If someone has any do...

Hi All,We need to migrate customer from  aCUCM 6.1.4  cluster on MCS HW to 8.5.1 on UCS C seriesWhat is the best approach to coomplete this migrations to New UCS platformUgrade existing cluster to 8.5.1 then build new 8.5.1 on UCS from backup?Is this...