Number-associated communication method, equipment and network

The present invention is applicable to the field of communications, there is provided a communication method associated number, and a network device, said method comprising the steps of: associating ISSN terminal and at least one fixed telephone terminal via Internet ISSN ISSN identifier; ISSN when for the fixed-line phone call is generated, while a call on the stationary telephony terminal and the ISSN ISSN Internet terminal. The present invention is based on the Internet network signaling exchanges, which may be of any type and any number of Internet terminal ISSN instantly associate ISSN communicate with fixed telephone terminal, a calling party need only dial a PSTN number to an internet terminal equipped ISSN affiliated At the same time on a call, quickly and easily establish a trusted connection with the caller calls.