I'm using a UC500. Everything is up and works great. Except, I can't make call on my own local network using my 7921G. Calls through the PSTN work fine. Using the 7921G the called party can hear me, but I can not hear them (sometimes I can after 15 s...

I have replaced everything other than the UC500. I keep getting these two messages over and over.*Jul 9 22:29:34.751: Unknown signaling debug message (ch=0):0001 0001 ***Jul 9 22:29:34.791: Unknown signaling debug message (ch=0):0001 0000 **They st...

I've started creating my own network to apply what I have learned. I'm using the equipment at my school, but before I move everything around to cable, I wanted to see if there are any major flaws in my configurations or things I should add to it.Than...