IP Telephony and Phones

Is it possible to change the IP address of all the servers in a Cluster?  CUCM, Unity and UCCX.  What are the core dangers of doing this as I am sure nothing good can come of it.   Is there any published documentation of doing something this stupid?T...

Hello,I have the following topology:     CUCM <-----H.323------> Gateway (ISR3845) <------SIP------> ViaTalk (SIP Provider)When I make an outbound call, I dial the phone number, and then there's just silence until the party answers the phone, at whic...

Hi,I've read some info and forum report about problem with this tool, for sync contact between Cisco UCM personal directory and Windows Address Book, but not Outlook personal contact..., because WAB isn't supported into Win 7.I've tried to install it...

Hi Calling extension is working only when the partition (order) is on top  in the css . Any ideas

Hello,I have a very veird case that i might need some light on it.I have a customer who has CUCM 9.1, cisco IP Phones 7942, 7975 and 6921 IP Phones, the whole infrastrucutre is HP.The DHCP is configured on the HP core switch (if i am not mistaken it ...

Hi, I have a question regarding an authentication problem we are trying to solve...We are using cucm 9 an cisco ip phones.What we are trying to acomplish is that a user have to authenticate(with a PIN) on a phone when he tries to make a call.(we are ...

Hi,Please can someone explain me the type and plan terms in reference to translation rules.Thanks   

Dear Alli have CUCM 7.1 and h323 gateway , my issue is : Some times , not always , the calling Id is giving " Unknown Number " in incoming calls what is the problem and how to solve it ? thanks

Does anyone know where a compatiblity chart would be located that can tell me if Call Manager 8.x, CME and CCX are compatible with Internet explorer 10?  I have not been able to find any information so far and our company wants to make sure that IE 1...

Anyone seen this before on 8.6.2a SU2 (22900-9)The Cisco CAR Scheduler stopped abruptly due to memory issue. I am not finding any bugs on this in the bug toolkit or release notes for SU3. There is bug CSCtn99418 which is for the CARIDSPerfmon error b...

I have   gatekeeper controlled trunks configured in Call Manager.  What codec is used when my IP Phone  in region A  calls  another IP Phone B  in region B through the gatekeeper? The signalling flow is this:IP Phone A  ------Call Manager-------ICT T...

Hello,I have two UCS C220 M3 servers as part of a Business Edition 6000 solution.Each server has two integrated LAN ports and a dedicated Management LAN port.I have tried to set CIMC to use the dedicated management port but the port does not become a...