Method of providing SMS callback

摘要

A method of connecting two or more phone lines in a cross-country connection through a rented device. The device may be a mobile phone or a SIM card. An SMS message is sent from the rented device to a service provider bearing the identification of the phone lines to be connected. The SMS is received by a gateway of the service provider, and the gateway subsequently places calls to the phone lines in the SMS and connects the phone lines.