Time Capsule share Wireless for VOIP

[forthepeople]

I have a router in one room that sends out a wireless signal. I want my time capsule to join that network and share the internet connection through the ethernet ports on the back. This way, I can hook up a voip phone in another room. Is this possible and how would you go about setting it up.

[dvdhsu]

I have a router in one room that sends out a wireless signal. I want my time capsule to join that network and share the internet connection through the ethernet ports on the back. This way, I can hook up a voip phone in another room. Is this possible and how would you go about setting it up.

I think this depends on what type of router is in the first room.

[forthepeople]

The router in the first room is an AT&T 2Wire thats putting out a wireless signal. Right now I have the Time Capsule Joining the other network but the plugs on the back of the Time Capsule are not Live. At least when i plugged in a computer I couldn't get on the internet and the phone didn't setup.