MAIL TRANSMISSION DEVICE

MAIL TRANSMISSION DEVICE

A plurality of voice mails are stored in a main terminal 101, and they are managed by a mail managing unit 120. When a sub-channel connection is established between the main terminal 101 and a main terminal 103, the storing contents at both terminals are compared and a voice mail which is not stored...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAEKI, KOSO, TANAKA, TSUTOMU, ISAKA, KIYOMI, OKADA, YASUNORI, KOKADO, TAKESHI
Format: Patent
Sprache:eng ; fre
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A plurality of voice mails are stored in a main terminal 101, and they are managed by a mail managing unit 120. When a sub-channel connection is established between the main terminal 101 and a main terminal 103, the storing contents at both terminals are compared and a voice mail which is not stored in each counterpart is identified. The identified voice mail is transmitted through the sub-channel; at the same time, the voice mail which is not stored in itself (main terminal 101) but is in the counterpart (main terminal 103) is inputted, and is stored in itself. According to the above construction, a mail transmission is operated by using various communication connections, and communication cost is reduced thereby.