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Patent Searching and Data


Title:
VOICE COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP2009267951
Kind Code:
A
Abstract:

To obtain a voice communication system succeeding header information of a voice packet outputted from a repeater to a packet terminal even when the repeater is switched during communication.

A non-packet terminal 1 and a repeater 20 generates the same value as packet header information when starting a voice communication. The non-packet terminal 1 updates the packet header information according to the same rule as a packet assembly portion of the repeater 20 during the voice communication. When switching of the repeater 20 occurs, the updated packet header information is transmitted from the non-packet terminal 1 to a repeater 21 after switching.


Inventors:
SUZUKI SHIGEAKI
OGAWA ISAMU
INOUE MASAHIRO
SASAKI SHINICHI
Application Number:
JP2008117445A
Publication Date:
November 12, 2009
Filing Date:
April 28, 2008
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
NTT DOCOMO INC
International Classes:
H04M3/00; H04L12/66; H04L45/247; H04L47/43
Attorney, Agent or Firm:
Hideaki Tazawa
Hamada Hatsune