1. A system for processing telecommunications billing outsourcing comprising: a first processor and a second processor, said first processor operating to: issue one or more first billing statements and one or more second billing statements; and transmit at least said one or more first billing statements to said second processor, wherein: said one or more first billing statements reflect one or more charges from a first telecom network to a second telecom network; said one or more second billing statements reflect one or more charges from said second telecom network to one or more customers thereof; and said one or more charges of said first and second billing statements reflect at least one same service.