IP Telephony and Phones

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Resolved! Problems with Polycom IP Phones and Cisco 881W - router blocking offsite server?

I am trying to setup several Polycom IP phones (331 and 650) to an offisite Asterisk PBX in an office with a Cisco 881W router and having problems.Initially, all phones registered fine, but then all dropped registration after about an hour.What we no...

Rob S by Beginner
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  • 0 Helpful votes

Resolved! PCD VM to VM

Hi,I have CUCM ver 7.15 running on VM. I now have a requirement to upgrade to the latest version of 10.5. My question is, can I use PCD for this?I will be hosting the 10.5 on a new server and keeping the same hostname and ip address. Many thanks. 

One-way audio

I am having an issue where one way audio is introduced immediately inbound to one of our DMVPN spokes. Audio is two way only from a 9971 to 9971 using g722, routing the exact same way as the affected phones -- 79XX. Note when a 794X calls inbound to ...