IP Telephony and Phones

Hey Hi folks, I have 35 CP-8851 Phones and have CUCM 11.0.1 installed. I have found a bug in CUCM 11.0.1 for CP8851 phones. I have configured Auto Registration and ONLY 1 phone got registered. Rest other phones are not registering. Voice VLAN is con...

Hello Cisco Forums! We have been experiencing issues with choppy call recordings via Verint Impact 360 v11, however we have been advised that this is likely related to the SIP trunks from our call manager cluster and have been advised that each node...

Hi There In my network  lab, there are 8 routers (3925 and 3945) and 2 switcher (3550, 3750). This is a teaching lab in Concordia University. I want to make some test on Voip with Cisco IP softphone or IP communicator. But I don't know where to get a...

We have a CME ver 10.5 whose phones were half an hour off. Previously, we were an hour off because Chile's government likes to the change their DST times every year. I was trying to change the time zone manually, but the time-zone command in Telephon...

Hi folks, May be this is stupid question. Customer has VERINT as call recording solution. VERINT is configured with JTAPI user pointing to Publisher. In case, if Publisher goes down then CTI communication breaks and call recording stops. Is there a...

Hi,for some years i had the num2name script via ISDN up and working. No we change to SIP and i have the problem that it shows the name correct on the cisco phone but as soon as i pickup the phone the call is disconnected.See here the debug from VGW:R...

Hi I am looking at implementing Secure RTP between our CUBE and the ISTP. There are guides on how to do this which is great but would I also need to implement SRTP between the CUBE and the CUCM server? Basically is SRTP and end to end requirement fr...

Hallo teamOn CME 10.5 I configured a mixed mode shared line but I face an issue. When I try to call the number 160 only the SCCP Phone rings.I can make outbound calls from both SCCP and SIP PhoneSIP Firmware: sip78xx.10-1-1SR1-4Here is the config:voi...

Once the caller hears the following message after the recipient's greeting  plays: "Record your message after the tone. When you are finished, hang  up or press # for more options". Duration caller record message them can pass any key and get more op...

Phones are registered at CUCM. Asterisk is used for trunks.  New branch is added with cisco 2811 (c2800nm-adventerprisek9-mz.151-4.M12a.bin) I guess problem is in Asterisk - CCM express communication. I try to make outbound call to 994125555555, call...

Hi everyone! I trying register my CUBE (ISR 881) on SIP ITSP, but nothing happend. I tried use clear config (only public ip address on external interface and static default route) and its not help. Also I tried connect Service Provider cable to route...