Patent ID: 8521834

Claim:
A communication system for exchanging electronic mail information, said communication system comprising: a plurality of communication devices operable to input a telephone number that includes an identification number of a telecommunication services operator and to transmit electronic mail information together with the telephone number; a storage device operable to store a reference table in which the identification number of the telecommunication services operator is correlated with a domain name of the telecommunication services operator, the domain name being information distinguishing the telecommunication services operator from other telecommunication services operators; wherein country information in addition to the identification number is correlated with the domain name in the reference table stored in the storage device; and a communication management device operable to receive the transmitted electronic mail information and telephone number, to read the domain name of the telecommunication services operator from the reference table using the identification number of the telecommunication services operator, to merge the telephone number with the domain name read from the reference table to form an electronic mail address, and to forward the electronic mail information to the electronic mail address, the electronic mail address having a local part and a domain part, the local part being separated from the domain part with an at mark symbol “@”, the local part including the telephone number, and the domain part includes the domain name of the telecommunication services operator, wherein when the communication management device is unable to read the domain name of the telecommunication services operator from the reference table using the identification number of the telecommunication services operator, the communication management device is operable to request re-entry of the identification number of the telecommunication services operator without requesting re-entry of the electronic mail information.