IP Telephony and Phones

Hello, I have a VG320 and I would like to know what is best practices to use SCCP/MGCP , my Cucm is 12.5 Thanks. 

Hi Friends, I have the following setup:-  Palo Alto Firewall cannot enable the ALG because it breaks Jive.. FW is NAT'ing the external static IP address to the inside CUBE IP address.. B TwilioSIP-Trunk====FW==CUBE--------CUCM----IP Phone A 1> Outg...

Hello ,when I call from my cisco phone's to external number I hear regular tone, even when the external number is busy.the topology: Cucm->H323->Router ->Priany idea? Example to configuration :dial-peer voice potsdestination-pattern XXXXXXXXprogress_...

Hello, I have a Cisco 7841 phone that was asking for a password which I did not set. I tried factory resetting it, but now it is giving me a X6039 error. I tried searching for this error and nothing appeared. Has anyone encountered this before?

For some reason, a bunch of Cisco phones are marking RTP packets with a DSCP of 11, instead of 46.  I've confirmed this with a packet capture as well as looking at the DSCP statistics on the switch ("show mls qos int x statistics" on the Catalyst 375...

Hi Guys, I am trying to extract the file ccpexpressAdmin_3_1_en.tar in the flash and am receiving the error message: "%Error opening flash://ccpexp/CCPExpress_3.1_Open_Source_Documentation.html (Device in exclusive use)". I did the reload and resea...

Hi all,i have CUCM v_11.5.1.10000-6 , as a best practice i want to install last firmware version from dev pack cmterm-devicepack11.5.1.18121-1.cop.sgn.Is this cop compatible for CUCM 11.5.1.10000-6? thanks for help

Hi all,I have a call transfer problem with SIP IP Phones (8961 and 9971) :  we have 2 Phones 8951 for secretariat and 1phone 9971, and sometimes call transfer don't proceed immediately !! the phones are associated with 3 lines PSTN using H323 GWs and...

Hello everybody  I have a question I want to migrate my Cisco's traditional telephony enviroment but I don't how vitrualize the gateway (router 2911) or it's neceseary use another virtual machine service that simulate the physical gateway? I planed m...

Hello everyone,I am having a strange issue:I managed to get a 8851 IP Phone working using a sep macadress.cnf.xml. I had to use config files because it wasn't a multi platform firmware phone. I then decided to use the same file that I knew was workin...

i am facing delay in dialing calls from Cisco CP3905 registered on CME. It takes around 10 seconds to connect the call. How to reduce this time in Cisco CME with SIP phone 3905 registered to it.

We have converted to smart licensing and are out of compliance with our CME Endpoint 12 Licenses.The licensing portal shows the part number as CME-EP but I can't find any reference to this online and when I contact resellers they offer CME-UL (and so...