Title:
ROAMING COMMUNICATION SYSTEM OVER INTERNET
Document Type and Number:
WIPO Patent Application WO2005060372
Kind Code:
A3
Abstract:
A roaming communication system (50) includes a first local telephone system (70), a first communication module (70) connected to the first local telephone system (72) and connected to the Internet (52) through a first dynamic IP address, a second local telephone system (72) , and a second communication module (70) connected to the second local telephone system (72) and connected to the Internet (52) through a second dynamic IP address per Fig 2. The first and second communication modules are each capable of converting voice signals respectively received from the first and second local telephone systems to voice packets for transmission over the Internet and are capable of restoring voice packets received through the Internet into voice signals. The roaming communication system also includes a host (90) connected to the Internet (52) through a static IP address per Fig. 2. The host is used to control voice packet traffic between the first communication module and the second communication module.
Inventors:
CHEN HENG-CHIEN
Application Number:
PCT/US2004/000107
Publication Date:
March 30, 2006
Filing Date:
January 06, 2004
Export Citation:
Assignee:
TRANSPACE TECH CO LTD (US)
CHEN HENG-CHIEN
CHEN HENG-CHIEN
International Classes:
H04L12/66; H04L29/06; H04L29/12; H04M7/00; H04Q7/38; (IPC1-7): H04L12/66
Foreign References:
| US6161008A | 2000-12-12 | |||
| US6658027B1 | 2003-12-02 |
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