A system, method, and computer-readable storage medium for outsourcing telecom billing are disclosed for issuing one or more first billing statements and one or more second billing statements from a first telecom network; and transmitting at least the one or more first billing statements to a second telecom network. The one or more first billing statements may reflect one or more charges from the first telecom network to the second telecom network, and the one or more second billing statements may reflect one or more charges from the second telecom network to one or more customers thereof. The one or more charges of the first and second billing statements may reflect the same service(s).