We have a mega CUCM cluster with 21 servers for our multi sites Clustering Over WAN deployment.
Number of site: 20 with different area codes
Number of users: 50000
CUCM Version: 10.5
CUBE (HA): ISR 43xx
I have a SIP gateway that works with both inbound/outbound calls. However when I place an outbound call to an external source through the PSTN I can't pass DTMF. In call manager the route pattern sends calls to the SIP gateway via a SIP trunk in ca...
According to the RTP RFC (3550) Timestamp must increase in each RTP packets:"The timestamp reflects the sampling instant of the first octet in the RTP data packet. The sampling instant MUST be derived from a clock that increments monotonically and l...
I have a CUCM infrastructure and I have 2 PRA lines (2 x 30 Channels) which we are planning to terminate on a brand new Cisco 4351 .
Our supplier quoted us 1 x 64-channel DSP module.
Is that correct?
They also quoted CUBE-10 license? ...
I would like know if there are interoperability between Cisco IP Communicator 8.6.6 and VM Horizon. I tried install the IP Communicator in the virtual machine and didn´t worked. I am not able to put the IP TFTP Server
Thanks,Other IP Tel...
A customer of us is going to have a new cisco collaboration environment.
I need to know excatly which ports needs to be open at firewall site, before we install all the appliances
They have a fortigate firewall.
Information is regard...
Could anyone kindly give me a clue how to record audio calls to two different recording servers simultaneously. I've been looking at the CUBE documentation for media recording and it appears SIPREC and the UC Gateway API XMF should allow me record ca...
When dials by internal digits (1234), it's ok to forwarding. But when dial external digits (123456789) it's always busy. I explored similar issue, but not able to fix. CM was forwarding external calls correctly a while ago.
I have a sip trunk between CUCM and ITSP directly without CUBE involved. I have a signalling and media IP and incoming calls are working perfectly but outgoing calls have a delay which is constant. Sometime it works but sometimes it doesnt. ...
I have IP Telephony (cucm 11.5). I want to receive call on behalf of my friend on ip phone. That is, when user A call user B( when user B is not available on his ip phone) Will user C be able to get the call made by user A to user B. Call should ...
Hi,We have 7861 phones with CUCM V11 and phone Rel 12-0-1-11.
When calling internal numbers we can see on the phone display the name of the person we called to.
When calling external number we don't see the number we dialled on the display.
Any idea ...
We have a request from our Security office requesting to have a queue system set in place for calls however they still require an option for urgent/priority calls. I was wondering how some of you set up your security office lines.
Thanks in a...
I´m facing kind of a complex situation and came here to ask you guys for advice.
Here is the situation:
New CUCM deployment using centralized architecture; CUCM cluster is in HQ and there are branches distributed in a geographical space.
I have a small problem with 8x8 , once in a while 8861 drop a call and sometimes sounds not clear
I tried to use codec G.722, G.711U and now I did change to codec G.729 hopefully it will help.
Any advice what can be?