IP telephone system, IP telephone apparatus and method for...

Details IP telephone system, IP telephone apparatus and method for... IP telephone system, IP telephone apparatus and method for...

2005-07-19

2011-10-25

Matar, Ahmad (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C379S201010

Reexamination Certificate

active

08045541

ABSTRACT:
An IP telephone system includes a source IP telephone apparatus, a destination telephone apparatus, a Web server and an ENUM server. The IP telephone apparatuses are connected to an IP network. The Web server stores call reception screen information corresponding to a telephone number assigned to the source or destination IP telephone apparatus. The ENUM server stores a NAPTR resource record in which a URI specifies link information related to the call reception screen information stored on the Web server. In the IP telephone system, the IP telephone apparatus that has received a call transmits, to the ENUM server, a query for a NAPTR record corresponding to an intended recipient's telephone number. The IP telephone apparatus then transmits, to the Web server, a request for the call reception screen information corresponding to the intended recipient's telephone number according to the obtained NAPTR resource record, and displays a call reception screen according to the obtained call reception screen information.

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