Adtran Netvanta 7100 – The Number You Have Dialed is not in Service

I have a love hate relationship with our Adtran Netvanta 7100 PBX.  It is an all-in-one type of device that serves as router, POE switch, and PBX.  What makes this device so awesome is the amount of features you get at a low cost when compared to other comparable devices.  The web based graphical user … Continue reading Adtran Netvanta 7100 – The Number You Have Dialed is not in Service