Title:
VOICE MESSAGE FORMAT IN TRUNKED COMMUNICATION AND TRANSMISSION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2008/028316
Kind Code:
A1
Abstract:
A voice message format in trunked communication and transmission method therefor
are disclosed. With the method, the network bandwidth between the base station
system and the trunked dispatch server could be saved. The method includes: (a)
after establishing a trunked call, the speak user begins speaking, sends voice
frames to the base station system; (b) the base station system encapsulates every
N voice frames into a voice message and sends the message to a trunked dispatch
server; (c) the trunked dispatch server transmits the receiving voice message
to the base station system to which all the users in the speak user group belong;
(d) the base station system to which all the users in the group belong disassembles
the received voice message into N voice frames and transmits the frames to listening
users in the group on original order. The voice message includes transmission
header, data packet header and the voice data part. The transmission header contains
transmission format information. The data packet header contains the user and
the voice data information. The voice data part contains multiple voice frames
arranged on precedence order.
Inventors:
WEN ZHIGANG (CN)
Application Number:
PCT/CN2006/002164
Publication Date:
March 13, 2008
Filing Date:
August 24, 2006
Export Citation:
Assignee:
ZTE CORP (CN)
WEN ZHIGANG (CN)
WEN ZHIGANG (CN)
International Classes:
H04W4/10
Foreign References:
| CN1547832A | 2004-11-17 | |||
| CN1885830A | 2006-12-27 | |||
| CN1585529A | 2005-02-23 | |||
| CN1780417A | 2006-05-31 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (Suite B 305A8 Xueqing Rd,Haidian District, Beijing 5, CN)
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