Method and system of relaying calls with a tone provision function in the next generation mobile communication network
First Claim
1. A call relaying method, comprising:
- communicating messages using at least one of a Bearer Independent Call Control (BICC) protocol, a Media Gateway Control Protocol (MGCP), and a 3rd Generation-Inter-Operability Specification (3G-IOS) protocol to induce an external tone gateway to generate a tone; and
relaying a call between an originating gateway controller and a terminating gateway controller using the tone and a modified BICC protocol.
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Accused Products
Abstract
The present invention relates to a method and system of relaying calls with a tone provision function in the next generation mobile communication network. The call relaying procedures and functions support a Voice over Internet Protocol (VoIP) function between an originating gateway controller and a terminating gateway controller, by modifying the Bearer Independent Call Control (BICC) protocol, while receiving the tone from an external tone generating device using the BICC protocol, Media Gateway Control Protocol (MGCP), and 3rd Generation-Inter-Operability Service (3G-IOS) protocol in the next generation mobile communication network based on an Internet Protocol (IP). The BICC, MGCP and 3G-IOS protocols improve the IP-based network by supporting the VoIP function between the originating gateway controller and the terminating gateway controller, while receiving the tone from an external tone generating device. This is accomplished by redefining the BICC signal processing procedures so that APM messages may be transmitted and received multiple times between the originating gateway controller and the terminating gateway controller.
66 Citations
17 Claims
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1. A call relaying method, comprising:
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communicating messages using at least one of a Bearer Independent Call Control (BICC) protocol, a Media Gateway Control Protocol (MGCP), and a 3rd Generation-Inter-Operability Specification (3G-IOS) protocol to induce an external tone gateway to generate a tone; and
relaying a call between an originating gateway controller and a terminating gateway controller using the tone and a modified BICC protocol. - View Dependent Claims (2, 3)
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4. A call relaying method, comprising:
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requesting and confirming, with an originating gateway controller, a first resource assignment made by an originating wireless gateway for a core network connection;
searching for a terminating wireless gateway in accordance with a call connection request communicated from the originating gateway controller to a terminating gateway controller;
connecting the terminating gateway controller to a core network;
connecting a tone gateway to the core network using the terminating gateway controller; and
generating a tone and transmitting the tone to a caller, with the tone gateway. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17)
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12. A call relaying system, comprising:
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an originating wireless gateway that conducts modifications to a first resource assignment of an originating side, according to a first resource assignment modification instruction, and transmits information on a modified core network connection;
a terminating wireless gateway that conducts a second resource assignment of a terminating side, according to a second resource assignment instruction, and transmits information on an assigned core network connection;
a tone gateway that transmits information on the assigned core network connection, according to the second resource assignment instruction, and provides a tone according to a tone provision instruction;
a terminating gateway controller that communicates with the tone gateway and the terminating wireless gateway; and
an originating gateway controller that communicates with the terminating gateway controller and the originating wireless gateway.
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Specification