Do I need any special equipment to connect Vonage via cable to a partner system. The Vonage phone line is on a linksys router RT31P2

No just plug it into your line port on the system.

I still have not been able to make this system work with the vonage. The system works with the verizon dail tone and the vonage works on a single line phone.

Any Ideas???

Do you have the line number you are plugging the Vonage line into assigned? A quick test would be to plug straight into the port for line one and see if that works.

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One stop Voice and Data Solutions VoIP

I did and got no dail tone

Well I don't know why it wouldn't work I have one in my office that I use for long distance and all works fine.

I have a customer with a partner 11 and they have 6 vonage lines and 1 verizon works just fine .

just plugged them in like regualr dialtone

You are probably plugging it into a station port and not a line port. If you plug a single line telephone into the vonage and get dial tone and then plug the vonage to a line port, all should be good. What model Partner is it? Are you selecting line directly or using auto select?

If you have 2 seperate Vonage lines I assume you would plug each of the Partner line ports into each of the Vonage adapter ports?

If you have 2 lines using VOIP, will the Partner system "roll-over" calls to the other line if one is busy, or is that a phone service provider feature. If so, anyone know if Vonage provides this feature?

That would be on vonage's side, You would set it up in your dash board