IP Telephony and Phones

Hello,Suddenly, phones 69XX in only one of my company site are freeze. All are registered in CUCM 8.5 but there is no line and any button pressed doesn't work.I checked the following details in one of the several phones with the issue:SCCP69xx.9-2-1-...

Dears,I am Hisham Fawzy, I have an issue about that 3905 End-point, it can't be able to transfer internally & externally and this message appear when pressing Transfer button " Maximum Reach Number". I believe that firmware issue but i need to confir...

Hi All, will 7821 phone support phone presence feature in call history (Missed , received & placed calls ) ? . I have tested with firmware 10.1.1 SR1-4 and CUCM 10.5 . It didn't work.Thanks in Advance...

Dears,i have a CME 10.5 with 4-FXO ports and SIP phones i want to restrict all international calls with a 'PIN' .. so only people knows that PIN will be able to dial Int-calls note: all calls routed thru the 4-FXO ports thanks  

HI Team,I want to use call forward from main line  9000 to 017.If 017 not pick the call, Call should forward to 010.But 017 is using extension mobility, if it logout then calling is not forwarding.How we can use call forward  on CUCM ? Thanks

This has got to be one of the most frustrating Cisco products ever made.  I simply want to configure this device with an online SIP provider and plug in my existing analog phones. I don't have a call manager or anything else so I am unable to upgrade...

Hi Cisco Team,What is required to get Cisco 8841 IP phone configured as a SIP phone for 3rd party call control?  

This problem only occurs in one department at my organization.  The department has 5 IP phones (7960). The first issue is that there is so much static during calls that they cannot hear the caller clearly. The second issue is that they cannot answer ...

We are deploying CUCM (forced to) in order to transition over our current Movi/Jabber users (no IM, no phone). We have no VoIP or any other Cisco solution except for Video, neither do we envisage one. Is there a video specific CUCM training? Or are w...

we have 2 call centers - geographically separated.  Both running off same call manager 8.5 cluster and uccx 8.5 cluster.  both use cisco 7962 phones, with extension mobility.  plugged into cisco 2960 switches. pc's plug into the phones.  issue is tha...

I setup a new branch office with 2921 H323 gateway and cucm in HQ.  When I call a number in remote office, I get dead silence and busy tone.  However, user can hear ring at the remote location and able to answer the phone.  I was able to talk to him....

Hi,I need to deploy CUCM (5 nodes), Unity Connection (1 Pair) and Unified Presence server (1 Pair) in a virtualised environment. Approximately 5000 users and 10000 end devices. How do I select a UCS server type and model? Thank you,Fawaz

Hello,I am trying to use an IAD2431 as an ATA to connect 8 POTS phones to Asterisk PBX. (Through a NAT)I am at IOS 12.4 and I am trying to use the SIP protocol.Can anyone show me config files for the IAD and for Asterisk that would make this work?I t...