Patent ID: 7076209

Claim:
A communication system comprising: a communication device; and a portable terminal for carrying out communications by setting up a communication link between the communication device and the portable terminal, wherein the communication device has: a first identifier acquisition unit configured to acquire a first identifier for communication possessed by the communication device; a first identifier generation unit configured to generate an identifier for presentation according to at least a part of bits of the first identifier for communication for identifying the communication device; a display unit; and a display control unit configured to display the identifier for presentation on the display unit, and the portable terminal has: an imaging device; a second identifier acquisition unit configured to acquire the identifier for presentation from an image generated by imaging the identifier for presentation displayed on the display unit by means of the imaging device; a second identifier generation unit configured to generate a second identifier for communication including at least the part of bits of the first identifier for communication for identifying the communication device according to the identifier for presentation acquired by the second identifier acquisition unit; and a connection request unit configured to make a connection request to the communication device according to the second identifier for communication generated by the second identifier generation unit.