I'm having an issue with our phone's that we are only getting one-way audio. and if I get a call on the sip trunk number and i try to answer the call it will drop the call on my end and keep the call going on the other end. This only happens on our S...

I have an issue with our voicemails on Unity Express that are not working form external calls. When I call into our system using an external number my phone will ring correctly but when it should go to voicemail all I hear is just dead air. But when ...

Im i having a issue configuring my Call Manager for a second pots line.I currently have one pots line working on my router. And i can call out and in on all ip phones and FXS Phone it works. What im trying to do is have one extension call out on the ...