Intelligent network with an internet call waiting function

Details Intelligent network with an internet call waiting function Intelligent network with an internet call waiting function

2005-04-05

2005-04-05

Ton, Dang (Department: 2666)

Multiplex communications

Special services

C370S410000, C379S215010, C379S221090, C379S900000

Reexamination Certificate

active

06876632

ABSTRACT:
An intelligent network service control point, which is connected with a plurality of switching systems in a transport layer network over a common channel signaling network and with an Internet protocol network through a service control gateway, stores information for indicating that a first terminal is being connected to the Internet in a user information management table when the service control point receives a call waiting service request from the first terminal connected with the transport layer network. When one of said switching systems notifies that the first terminal is called from a second terminal, the service control point sends an incoming notification message to the first terminal through the gateway by referring the user information management table.

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ITU-T Recommendation, Q. 1221.
ITU-T Recommendation Q. 1224—Fascicle 1/3.

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