when we use call manager to implement a ip phone network, we find that when the outside phone has hung up when then inside phone is not pick up,the phone is still ringing and not hang up , I don' t know why and how to solve the problem.And I want to ...

I got a 3662 with its v 2.0, I want to communicate to the other ip-phones under the control of other GW, and I has registered to the GK, how can I registe my own phone number into the GK? we use tech-prefix, where should I write down my prefix in the...

I got a 1760 with its 2.1, and I need to communicate with the other end -point.I have a 3661 which act as a gateway and has registered to a gk, what I want is to use this gateway to dial to other end-point. 3662 dial-peer voice 100 voip ...

I use aironet br342 with 2.4dBi dipole as access-point.I found that when I use ping -t with a pc , over 10 packets time out from time to time , while the signal noise rate is still quite good .Further more , I found that when I open about clients th...