I am setting up a cisco C5915.2 IOS with CME to relay calls to and from a Asterisk 13.2 server. Is there some type of beginners guide that has the basics? Thx, K-

I have two 7975G phones connected to an asterisk server.  The phones can make calls.  I was wondering if the phones support the RFC 3428 for Instant Messaging.  So if a remote user sends a text message to one of the 7975G phones, that the phone would...

I need to setup two 7975G phones to run SIP communicating with an Asterisk PBX server (connected on the same network).  I have the phones connecting to the server via DHCP, and they have downloaded and updated their firmware.   I just need to setup A...

We have two 3850 switches.  We need to run MACsec between the switches but connect the switches with a wireless point-to-point link.   I have questions about this: 1. Does the PtP link required to understand MACsec, support the ethernet type, multica...