发明名称 |
Telephone line switching apparatus, telephone line switching system, telephone relay system, telephone relay method, telephone relay program |
摘要 |
A telephone relay system enabling a terminal having multiple telephone numbers to originate and receive calls same as a terminal having only one telephone number is provided. When a connection management unit of an agent device receives a call request from a terminal device, it activates a terminal calling unit while designating a current telephone number and also activates a counterpart calling unit to establish a terminal-side connection between the current telephone number of the terminal device and the agent device and a counterpart-side connection between the agent device and the counterpart terminal. When an incoming call from the counterpart terminal arrives, the connection management unit establishes a counterpart-side connection corresponding to the incoming call, and activates the terminal calling unit while designating the current telephone number to establish a terminal-side connection. A communication relay unit relays the call by using the two connections established by the connection management unit. |
申请公布号 |
US8630254(B2) |
申请公布日期 |
2014.01.14 |
申请号 |
US20060555089 |
申请日期 |
2006.10.31 |
申请人 |
MIZUKOSHI YASUHIRO;NEC CORPORATION |
发明人 |
MIZUKOSHI YASUHIRO |
分类号 |
H04W4/00;H04J3/24;H04L12/28;H04W36/00 |
主分类号 |
H04W4/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|