IP Telephony and Phones

Hello All,I just observed that the time display on all Cisco Phones in my network are incorrect. Prior to now, the time was correct but of recent the time is ahead by about 7 minutes and no change was made to the servers. The model of the phones are ...

Any idea how I might get a 7912 set to take the configuration I have setup in CallManager rather than seeking to auto register?  I have tried both of the following suggestions, but the phone always reboots to 12:00 a 01-01-00 AUTO-REG.Step 1 Press th...

Hello,we have a CUCM 8.6.2.20000-2, and we have configured a SIP Trunk with a Cisco Router, which is connected to a PBX by an E1.We have this issue: if we make a call from a first Cisco IP Phone to a PBX phone, and this PBX phone has a "forward all" ...

Hi Guys,User Local setting French is not working. We did installed the COP French patch for the version of our call manager. It was working just fine before the upgrade. any thoughts.

HelloAll our PSTN & DID/DOD lines from provider are  terminated on Nortel CS 1000E. I need to build a SIP Trunk between CME  and Nortel PBX.Link provided by nortel engineer is between CUCM  & Nortel, dont see any link for CME. Anyone aware then pleas...

      We've been having an issue lately where one of our sites is reporting echo that is heard only by the person talking on our end. They report hearing their own voice repeated back to them. Being 90% sure that it was only on external calls, we had...

Hi,We integrate our UC560 with Microsoft Lync and are having a strange problem which we have logged with Microsoft, the issue I have is that they advise IOS needs to be 12.4 and above and even though we are running 15.1 they are not convinced!!The re...

Is it possible to update the publishers IP address on a subscriber without using the web GUI and OS Administration tool?I've changed the IP of the publisher in my lab but the subscriber still has the old details when I run a "show tech network hosts"...

    Hello All,Kindly assist to profer solution on this if possible.If I have two clusters on two different network segments with the Clusters linked together by an ICT . How can I enable phones in each cluster to access the corporate directories of b...

Hi,I have some problems with configuration of ATA187. I use CUCM v.8.0.3.The device properly received firmware and config file from TFTP server on CUCM but cannot register to CUCM - it shows  unknown/unknwon for respectively registration status and I...

Hiis there any way that we can have notification in the Phone get unregister or register in real time ?or Is the UOM have this feature ?regardsTalaat

as above whenever I add the Cisco UC Manager account the device reboots, im running firmware sipcius.9-2-1SR2-21SEC with UCM 7.1.5 (with latest device pack) also has anyone had any luck connecting thease devices to exchange 2010 i can get it to conne...

Hi,I have CME version 7.0 with 4 FXO ports. The problem i am facing is: while dial out i need to wait a longer time (approx 12 seconds) before the destination number (say a local mobile phone) actually rings. Attached the configuration of the FXO por...