IP Telephony and Phones

We are trying to transfer license file to Inbuilt CUCM ELM server instead of currently deployed standalone server for CUCM 9  so we can save some CPU usage. Standalone server contain licenses for CUCM and Unity. Is this possible to transfer licenses ...

Hi All, I ran into some issue recently. We have unity connection server which fail to back up MESSAGES component. It stalls at 40% and I see below messages on DRFLocal logs. 2017-03-02 04:59:35,885 INFO [Thread-132359] - Exception while writing int...

Dear  all Please i  have to integrate CUCM with old  Ericsson  PBX that only support H323 slow start with g729 with 30 bit packet size  , i tried so many times with changing the service parameters in cucm  but the call can't be established , are thei...

Hi everyone, Im trying to configure SIP Trunk between S4B and CUBE. CUBE is next connected to PSTN provider. When i try to call from S4B to mobile phone number  everything is ok. I can make a call. Problem is when i try to call back from mobile phon...

Hi,  I was wondering anyone can help provide some insights to this problem I've been having. I've been trying to get a 2911 to be a border controller between my internal SIP unit and our ITSP. SIP appliance <--> CUBE <--> ITSP. Inbound works perfect...

I am trying to solve a mystery as to why user mailboxes are disappearing on our Unity connection 10.5.  We have order tracking and I cannot say for sure that it was human error, and I also don't believe that my sys admin is that reckless.  Would ther...

salut je suis un debutant au monde du reseaux et j'ai commencer a travailler on m'a donner un routeur 2900 series pour configurer l'apel interne entre les telephones cisco! mais a ma grande surprise le routeur ne contient pas la commande telephony-se...

I have a callmanager 10.5 with a h323 gaateway. 8 fxo's terminate on the gateway. no matter what i do it always displays 911 or 8911 depending on the destination-pattern. I use 8 to dial out. If I use 8.911 then it comes up with unknown number. I mad...

Good afternoon, I have a surgery center that has 8841s installed.  The issue they are having is when the machines are running and people are talking during a case, they are not able to hear the phone ringing at the desk by the door.  I realize there...

Hello, in CUCM we are importing users with first and last name. Althougth the Display name is presented with First, Middle and Last Name. EX: Fisrt Name: Maria Middle Name: Last Name: Bandeira Display Name: Maria Miguel Bandeira When we are doing a...

What wires in an Ethernet Cable are used for what with a CP-8841 phone? I have one phone that will not connect to the Call Manager. I ran a trace on the line and found that wire 6 on the Ethernet cable we're using is broken at some point. I can succe...

I have an issue locking down the Admin functions on a 3905. I can lock everything down except the call logs, Missed logs, Placed Calls etc. On a 7841 I can lock it all down. Is this a limitation of a 3905?