Patent ID: 6891933

Claim:
A communication apparatus for controlling communications of electronic mail, comprising: voice message storing means for storing a voice message in a manner associated with a message number; user information management means for managing user information about voice mail users; registration notification information transmitting means for changing a form of notification of registration notification information notifying that the voice message has been registered, in accordance with address information registered in the user information and transmitting the resulting registration notification information to a recipient; and voice message replaying means for replaying the voice message and transmitting the replayed voice message to the recipient through a voice channel wherein, if telephone number and electronic mail address are registered as the address information, said registration notification information transmitting means transmits, as first registration notification information, a URL including the telephone number and the message number to the recipient by text mail and, in response to specification of the first registration notification information by the recipient, transmits second registration notification information including a connection dial-up number for connection to the voice message to the recipient by text mail.