Vonage Digital VoIP Network is Not Compatible - GeoArm Security®
Vonage is Not Compatible for GeoArm VoIP Monitoring.
When changing your phone provider or selecting a VoIP provider for your home or business, it is very important to select a network that will communicate the emergency alarm signals in a reliable fashion. Currently, after thorough testing, we have have disqualified Vonage as a secure VoIP alarm monitoring path. So, if you want to send your VoIP alarm signals, Geoarm recommends you consider AT&T U-Verse, Verizon FiOS, Bright House, Cablevision, Charter, Comcast, Cox or Time Warner digital voice lines instead of Ooma.
Q & A's : VoIP Alarm Monitoring (Not Compatible w/Vonage)