We're slowly changing the IP addresses of all the nodes in our cluster. We're following the Cisco procedure and, at first glance it works. Databases get in sync and phones register. But phones never ring. You can dial and get a ring tone, but nothing...

I'm struggling to find the instructions on how to install a CA signed HTTPS certificate to PCD. Can anyone point me at the right place?Thanks,Gordon

I'm building a new Expressway cluster. Before cutting over from my old one, I want, obviosuly, want to test it. I'm trying to figure out how to test the MRA without affecting all users. Is there a way to force Jabber to use a particular Expressway wh...

RTMT no longer ships with Java. I'm trying to install RTMT on a Windows server 2k19 with a couple of different JRE 1.8s installed and the RTMT installer is just hanging after accepting the license. Any thoughts?

Since upgrading to CUCM 14, my ATA 190s can't register. Watching a packet capture, they download their config from the TFTP server fine, but then just sit there and don't attempt to contact a subscriber to register. All my other ATAs (186,187 & 191s)...