Phone system cannot detect dial tone or seize line to make call
fearfair:
It appears that the phone system does try to take the phone ports on the obi202 off hook, but apparently does not find a dial tone that it likes or something, because it then releases the port back and reports no outside dialtone. This happens whether you are just picking up an extension causing the system to open an outside line, or if you force the phone system to pickup one of the two outside lines by dialing *81 or *82..
In this video, I mistakenly state that the cordless phone is connected to the obihai, it is actiually connected to extension 2 on the VoicePro (Phone System)
hwittenb:
Obviously the VP206 is sensitive to something and the key to the solution is to find out what it is sensitive to. One probably needs some sort of special tool to look at the electrical characteristics of the line between the units.
Google turns up a support forum, and looking thru their support forum, it is not unusual to see that they have compatibility problems with some voip adapters. They often state that the adapters have unreliable voltages.
The support forum has a section on "Voip Compatibility Issues". They don't mention the OBi adapters, however they state that their units are not compatible with the "Linksys Voice Gateway" (whatever that is) because the "line voltage is too low". They also say it won't work with MagicJack or Ooma.
They say they require -48v DC which is what the OBi and the Linksys adapters provide. It might be sensitive to polarity in which case you would need to reverse the two wires.
http://www.stok.com/voip-adapter-compatibility.html
On another page they say you could contact them with questions
http://www.stok.com/contact.html
Shale:
I have no experience with the line port. However I have some ideas.
If you dial # , what happens? In an OBi110, that would connect you to the line port from the phone. I don't knwo for sure that it works the same way with an OBi200, but I would think it worth a try.
Can you rig a voltmeter to monitor the voltage across the line port? If you dial # or if you attempt an outgoing call, is there any change on the line port voltage?
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