| 摘要 |
PROBLEM TO BE SOLVED: To speak by originating a call to a secret telephone number as occasion demands while keeping the telephone number secret.SOLUTION: A telephone relay system includes a database (12) for correspondently storing a telephone number and a unique temporary code, a code management device (11) and a telephone relay device (21). The code management device includes: a function which receives a telephone number and issues a code corresponding thereto; a function for correspondently registering a telephone number and a code in the database (12); and a function by which, when an inquiry request of a telephone number is received with an issued code, the database (12) is retrieved and the telephone number corresponding to the code is returned to a request source. The telephone relay device includes: a function for receiving a call from a telephone terminal and acquiring a code from a telephone terminal (41); a function which issues an inquiry request of a telephone number to the code management device (11) with the acquired code and acquires the telephone number; and a function which originates a call to the acquired telephone number and connects the call from the telephone terminal (41) and the call to an acquired telephone number (51).SELECTED DRAWING: Figure 1 |
