Service Providers -> ITSP Profile B -> General -> DigitMap:
(18(00|88|77|66|55|44)xxxxxxx)
Service Providers -> ITSP Profile B -> SIP -> ProxyServer:
tf.callwithus.com
Voice Services -> SP2 Service -> AuthUserName: any userid
The userid will show as your callerid
Voice Services -> SP2 Service -> X_RegisterEnable: (unchecked)
Voice Services -> SP2 Service -> X_ServProvProfile: B
Add to the beginning of Physical Interfaces -> Phone Port -> OutboundCallRoute:
{(Msp2):sp2},
All 800 numbers will be routed to SP2.
tf.callwithus.com is a free service for 800 numbers. I've had problems calling some 800 numbers with GV. This is how I solved it.