Polycom Error “Image is not compatible with phone”…”Application Not Present”

"Image is not compatible with phone" and "Application not Present" error messages can occur after selecting the Format File System option on a Polycom IP phone and if, upon booting, the IP phone downloads an update to the bootROM. That is, the bootROM is updated but the phone firmware remains the same version, then,"Image is … Continue reading Polycom Error “Image is not compatible with phone”…”Application Not Present”

Advertisements

Site to Site Extension Dialing Between SIP PBX and PRI PBX

Is it possible to set up site to site extension dialing between a SIP capable PBX and a PRI PBX?  At Site A we have  a Netvanta 7100 PBX which supports SIP.  At Site B we have a Toshiba CIX670 phone system that is setup with PRI.  Furthermore, Site A uses 4 digit extensions while … Continue reading Site to Site Extension Dialing Between SIP PBX and PRI PBX

Polycom IP 650 Boot Loop

In an organization using Adtran Netvanta 7100 PBX, the system firmware on the Netvanta 7100 was updated to R11.4.2.E.  After the Netvanta 7100 firmware update, changes to Voice User Accounts could not be made unless the phone model was updated.  In this case, 2 more line keys needed to be added on a Polycom IP … Continue reading Polycom IP 650 Boot Loop

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

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

Polycom SoundPoint IP 650 Call Coverage Not Working – Netvanta 7100 PBX

You have a Netvanta 7100 PBX phone system and a Polycom Soundpoint IP 650 phone as part of your VOIP infrastructure.  The phone boots up and all is working; the world is a happy place.  Then you attempt to make changes to Call Coverage through the Netvanta 7100 Management Console; say for example that instead … Continue reading Polycom SoundPoint IP 650 Call Coverage Not Working – Netvanta 7100 PBX