Abstract: A method for establishing for a first smartphone a phone connection with a second smartphone, each smartphone comprising a phone and running a software application (“app”), the method comprising: exchanging, by operating the app, at least one permission message between the first and second smartphones; transmitting a first identifier from the first smartphone and a second identifier from the second smartphone to a call connector, responsive to a successful exchanging of the at least one permission message; and connecting a first phone call and a second phone call to establish a phone connection between the first and second smartphones, if the first phone call matches the first identifier and the second phone call matches the second identifier.

Abstract: A smart card for use with a mobile communication device adapted to communicate over a cell-phone network, the smart card comprising: at least one communication port for communicating with a transceiver via a communication channel that is not a cell-phone channel; and a processor configured to receive from the transceiver an IMSI from a SIM having an authentication key, and an authentication response generated by the SIM responsive to the SIM's authentication key and a challenge by a cell-phone network, and to transmit the received IMSI and authentication response to the mobile communication device for transmission to the cell-phone network via a cell-phone communication channel provided by the cell-phone network.

Abstract: A smart card for use with a mobile communication device adapted to communicate over a cell-phone network, the smart card comprising: at least one communication port for communicating with a transceiver via a communication channel that is not a cell-phone channel; and a processor configured to receive from the transceiver an IMSI from a SIM having an authentication key, and an authentication response generated by the SIM responsive to the SIM's authentication key and a challenge by a cell-phone network, and to transmit the received IMSI and authentication response to the mobile communication device for transmission to the cell-phone network via a cell-phone communication channel provided by the cell-phone network.