Adtran Netvanta 7100 Failed Calls Incoming / Outgoing to External Numbers

There are a plethora (a large or excessive amount) of reasons why VOIP calls may fail.  Having overall knowledge of the VOIP networked components is important in troubleshooting Adtran Netvanta 7100 Failed Calls. Having a good understanding of the infrastructure and components that make up the Voice Over IP network of an organization is important because … Continue reading Adtran Netvanta 7100 Failed Calls Incoming / Outgoing to External Numbers

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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

ADTRAN IP 706 / 712 Phone Blank LCD Screen

The LCD screen on two Adtran IP 712 phones recently went blank.   Other than having a blank LCD screen, the phones seem to be working fine; i.e., phone calls keep coming in and are able to be picked up.  The functionality of buttons was not tested. The Adtran IP 712 phones are accessible through … Continue reading ADTRAN IP 706 / 712 Phone Blank LCD Screen