Telnet into the unit and log in. Once you get the prompt, type gk and enter.
At the gatekeeper prompt,type gk route and the number that you are dialing.
For example if you are calling to Argentina you will type 01154 plus the area code and the number.
The A400 will answer witha list of the gateways that could take your call at that moment.
If it returns a “no candidates”. the number that you are dialing is not right.
You could also see who is registered on your unit by typing
gk ep return
That will give you a list of all the numbers reacheable from your a400.
Give a holler if you need more help.
Remove the first part email@example.com
Start with the “w”