Patent ID: 8023625

Claim:
A communication system, comprising: a voice mail apparatus which is connected to a telephone exchange apparatus executing exchange processing among a plurality of telephone terminals, the voice mail apparatus configured to transmit an announcement message associated with an incoming call destination to a telephone terminal determined as a calling source, record voice messages to be transmitted from the calling source telephone terminal in a mail box associated with the incoming call destination, when a voice message is input according to the announcement message in the calling source, and reproduce voice messages recorded in the arbitrary mail box; and a communication terminal which is connected to the voice mail apparatus through a data transmission path, wherein the communication terminal includes: a creator unit which creates e-mail data to be attached to the voice file and configuration file necessary to set the voice file to the arbitrary mail box as attached files, wherein the voice file is set in the arbitrary mail box necessary to change the announcement message set in the arbitrary mail box; and a transmitter which transmits the e-mail data to the data transmission path toward the voice mail apparatus, and wherein the voice mail apparatus further includes: an analyzer unit which receives the e-mail data transmitted from the communication terminal to analyze contents of the configuration file, when the voice file and the configuration file are attached to the e-mail data; and a controller which sets the voice file to mail box specified by the configuration file based on a result of analysis by the analyzer unit.