The protocol layer under wholesale voice reselling — SIP trunking, real current 6X voice rates, and reselling termination minutes.
Powered by 6X – your trunk-full-of-fun guide to SIP mastery! A SIP trunk is the actual technical connection your voice traffic travels over — same real wholesale voice product covered in Telecom/VoIP Basics, from the protocol angle.
Register as a 6X wholesale reseller — free to register!