IP Telephony and Phones

Some users are not having their CLID show up on outbound calls to some cell phones. CUCM is MGCP. I looked at the Gateway config for the PRI's (NI2) and these are not checked, do they need to be?Display IE DeliverySend Calling Name In Facility IE   N...

Does anyone know of any concerns, issues, problems, or hidden gotchas that have been experienced with creating a VRF for a VoIP network?  What I would actually like to do is place everything (except the media gateways) in a VRF and firewall it.  Thus...

When you have a 1 Gbps line and want to use the full bandwidth (let's assume that the SP is letting me) - what do you set your shape value to? 1) In my experience, if you don't configure a shape value under the parent policy, you get an error when tr...

When I set my 7940 to CFwdAll it forwards both my primary line and my secondary line, I want it to only forward the primary line.I've been told that it's supposed to only forward the primary line and not the secondary but apparently something is diff...

There were some IP Phone 7911 shared the same external number to PSTN and worked properly before.After 7911 has been replaced by 6941, only 1 phone can dial out to PSTN at the same time, the others can't.When the IT crew checked on the configuration ...

I have the following problem:1.  Call comes in to reception phone and is answered;  2.  Call then gets transferred from reception to an internal extension;  3.  No answer at the extension, so the call is forwarded back to reception;4.  Upon answering...

Hello,I have a problem with the trunk between CUCM and Asterisk.I can make a call from CUCM to Asterisk, and there is no problem. I can't make a call from Asterisk to CUCM.In Asterisk's log i can see that my call is send to the trunk, with right numb...

can we change the method, like from oob to ib if the phone (type b) supports rfe 2833?

My DX series devices (DX-650, 70, and 80) are working fine when registering directly to my publisher.  But when I flip my CM Group to make them register to my subscriber node, they don't register.  Phone display error is attached. The error from the ...

Hi Everyone,Consider me as a start up person in sql section in CUCM as I wanna know how to run sql for list of directory numbers whose description are marked by specific name:as I tried with run sql select dnoprattern,description from numplan where d...

Running CUCM 8.5.1Our 9971 phones (firmware 9-2-1)are constantly loosing the access to Directories. Resetting corrects temporarily.Also call logs, missed calls, etc. showing unknown caller id information on internal calls sporadically. Any advice?  I...