IP Telephony and Phones

I'm looking at CUBE sizing, and in the installations we deal with it looks like Calls Per Second would be the limiting factor well before concurrent calls.  What I'd like try and confirm is firstly the meaning of "sustained" in the description of thi...

Hello!Does anyone ever do MLPP inter 2 CUCMS?So my configuration is like that: I have my CUCM and SBC in my network in the back of a firewall.I am going out using a n.i.p. (network interconnection point).My n.i.p. has several BGP partners.One of my p...

hi, could someone help me in a setup on MOH cme router 2900? using only sip protocol, i really don't know where to start! currently if I pause a phone call there is only silence and I would like to increase this works for both LAN and WAN calls. Than...

Dears I have CUCM version 12.5 in my environment. We have near about 2000 users. My manager wants to change the caller ID in the call manger for all the user. Also want to assign user ID to the respective extensions. Please advice for the bulk admini...

Hi,I Have an issue with SNR on CUCM 10.5 and with assignement of license typeI have a cluster with 400 users.200 users use ip phone 3905 and should be use an Essential License.When system check for assignement of license type , itassign a Basic Licen...

I forget my password and now my inbox is full and over the limits.What is the process to change my password?IP Telephony 

Hi Dear Friendsi use cisco softphone. when operator answer for english press 1 for russian press 2. but i press 1 or 2 not work. how can i resolve it. sorry my english 

Is there a way to automatically select Line 4 when dialing out on an 8851 phone registered to a CUCM 11.5?  Or, is there a way to NOT select Line 1 automatically when calling out?   Automatically Use Prime Line is disabled, and Revert to All Calls is...

In normal mode, all Incoming calls are going to the FXO using the connection plar voice-port 0/1/2trunk-group ALL-FXOcptone CAconnection plar opx immediate 112397caller-id enable dial-peer voice 5400 voipdescription FXO - Outgoing to CUCMdestination-...

Hi, Im trying to give DHCP to VOIP Phones, things work perfectly till i add more than 1 phone to each VLAN, then i get DHCP Conflicts at my Telephony router, wich gives DHCP to the Phones, then they enter a loop where they try to get an IP and a CM l...

Hi there!i am currently testing a Cisco 8851 phone with a 36 button KEM installed to it.when im manually configuring speed dials (by holding down a speed dial button on the kem for a few seconds) the speed dials are there and they work.Whats weird is...

I am trying to use a CP-8865 with 8800 Key Expansion Module but the module does not power up.All the switchs we use are from Cisco.CUCM version: 11.5.1.13900-52 I use a phone button template with 11 lines: 10 for the phones + 1 to test the expansion....