Patent ID: 7167467

Claim:
A communication server for performing communication between a first terminal sending and/or receiving packet information and a second terminal sending and/or receiving non-packet information, comprising: a first input/output (I/O) portion which inputs and outputs packet information; a second input/output (I/O) portion which inputs and outputs non-packet information; and a processor which receives a communication request from the first terminal via the first input/output (I/O) portion, transmits a call setting request to the second terminal via the second input/output (I/O) portion in response to the receipt of the communication request, receives a call setting response, which is a response to the transmitted call setting request from the second terminal via the second input/output (I/O) portion, transmits a packetized communication accepting response to the first terminal via the first input/output (I/O) portion in response to the receipt of the call setting response, and establishes a communication between the first terminal and the second terminal after transmitting the packetized communication accepting response.