Outside-LAN connectable IP key telephone system, terminal unit thereof, main unit thereof, and outside-LAN connecting method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 2009
Grant Date -
Jun 10, 2004
app pub date -
Dec 2, 2003
filing date -
Dec 2, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A main unit of a key telephone system accommodates a plurality of terminal units of the key telephone system that use a LAN within company as extension lines and exchange calls with outside lines. The main unit of the key telephone system has a function as an IP server for the terminal units and stores and manages a database of information in a storing device. A terminal unit of the system accesses an IP address of the main unit of the key telephone system, and logs in to the main unit with predetermined first ID and password. The main unit of the key telephone system authenticates the first ID and password and registers the terminal unit of the key telephone system as an IP extension terminal unit, and allows the KTS terminal unit to voice communicate with another terminal unit of the key telephone system in accordance with the VoIP.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully