Correct sip URL to ring VOIPo?

[usa2k]

Testing by routing to sip from my 352 VOIPo number to my 734 VOIPo number, only one of the 4 examples worked.

I setup outbound routing using 456, 457, 458, and 459 to test each one.

Only sip:734xxxxxxx@incoming.voipwelcome.com worked.

I see still, only the one SIP URL works.

PLEASE NOTE: The other three produce ringing for the caller, and do end up in the VOIPo Voice Mail. It just never rings the actual VOIPo line. I should have stated that better the first time.