Step 1. Subscribe to the service in one of the possible ways:

• 1st Way. Open your GoogleTalk and invite new recipient whose user id is .
• 2nd Way. Go to the main page of this site and submit your user id by pressing "Invite" button, then accept invitation from .

Step 2. Type in a command like CALL in the chat window to place an outgoing call to Windows Live Messenger user . Calls to domains like hotmail.com and msn.com are automatically treated like calls to Windows Live Messenger. If your participant uses ID other than in these domains, you have to define it with an msn: prefix. E.g. CALL msn:.

Step 3. In a second or two you will get an incoming call from which you have to accept (or reject if you have suddenly changed your mind).

Step 4. When incoming call is accepted you will hear a beep signal followed by (a usual voice indicator of call progress). Text messages will also display call progress.

Step 5. When your call is answered on the remote side, "Remote answered. Now talking.." message is displayed. From this moment, you can talk.

Step 6. When you drop the call or the remote party hangs up, a message like "Charged time: XX secs. Reason = EndedByLocalUser" is displayed to you.

Here is an example on how to call an Windows Live Messenger user:

Ruslan: CALL msn:
service: Welcome to GTalk to VoIP Gateway.
Type 'HELP' for more information
You entered: CALL msn: 
You have 8.0046 USD.
Please, accept call from gtalk2voip !!!
Incoming call from  at 15:27
service: Call in progress...
Thank you! Calling MSN phone:  .
Remote answered. Now talking...
Call ended. Charged time: 5 secs.
Thank you!
        

Please note...

• Calls to Windows Live Messenger are free and not charged, but you have to keep your balance positive to be able to make calls.
• We always account calls session time, so a message like Charged time: 5 secs is always displayed for notification purpose.
• This service is not expected to be used for emergency calls.