IP Telephony and Phones

Dear Folks,I am having issue with ISDN PRI ( no ring back ), the problem is I can see the progress indicator messages in the debug, but still, I dont hear the ring back.Who is origination party and termination party in ISDN terminology, If A ( PSTN p...

Hi Guys,Need your support on the below issue.I am trying to register the new branch office phones to the head office call manager (7.1) version. At the head office there is a ASA firewall. At the branch site router works as h.323 gateway and in CUCM ...

Hi,I am using uccx 8.5 with CUCM 8.6.2. I want to know whether the CTI route point can choose the CTI port for calling specifically. In over scenario the CTI route point forward the call to any of the CTI port which are in different device pool. Can ...

Hi everyone,I'm unsure where to begin on this, so I'm hoping to get a few pointers in the right direction to help sort this out. We've received reports from users in one of our centres that when making external calls via their local gateway, on some ...

I am issues with one of the H323 gateway registerng with the gatekeeper since this morning. As far as I know nothing has been changed in the configuration, both in gateway and gatekeeper. I am attaching the output of "debug ras" and "debug h225 asn1"...

Hi,I'm reading this guide about IP Phone Security: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/security/8_6_1/secugd/secuphne.htmlMy dummy question is : Where can I find the TFTP Encrypted Configuration checkbox at Enterprise Parameter? I have...

Hello,I'd like to downgrade my phone for a CUCM 8.6. My problem is that I cannot do a firmware reset factory with my phone by power off the phone then on, press enough time on# and doing 123456789*0#. It's like since I upgrade to CUCM 9.01 the phone ...

Dear Networkers,we do have CUCM v8.6 installed and running.I would like to know the maximum number of enteries that I can configure for Personnal adress book for a user.Can you please advice ? I didn't find this information in the documentation.Thank...

espero me puedan ayudar con mi problema.tengo un CUE instalado en un service module de mi router CISCO2951/K9 que trabaja como call manager y me gustaria desintalar una licencia  de evaluacion e instalar una licencia permanente para los buzones de vo...

This phone :Cisco 8945 (SIP) ip phone works  at the HQ office. But when one of our home-office users take it home it does not work.  It gets stuck on Phone not registerd. It's Running on CUCM 7.0It gets an IP address from the Linksys Router. I have c...