Patent ID: 11909911
Assignee: MEZMO CORPORATION
Field: Telecommunications (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 3:
4. The system of claim 1, wherein, when the peer places a return call directed to the first phone number using the communications device, the communications device of the peer is connected to the carrier of the first phone number and upon checking the first phone number, the carrier of the first phone number is configured to route the return call to the C-CTSS,
wherein the return call includes a return call setup message from the carrier of the first phone number, and wherein the C-CTSS is further configured to:
receive the return call setup message from the carrier of the first phone number;
add or modify a return call setup message parameter of the return call setup message; and
route the return call to the carrier of the first phone number,

upon receiving the return call from the C-CTSS and checking the added or modified return call setup message parameter, the carrier of the first phone number routes the return call to the mobile communications device of the first phone number.