Internet protocol based wireless call processing

• US 7,085,260 B2
• Filed: 08/22/2001
• Issued: 08/01/2006
• Est. Priority Date: 08/22/2000
• Status: Active Grant

• Current Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Original Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Inventors: Murakami, Kazutaka, Lennox, Jonathan, Karaul, Mehmet, Laporta, Thomas F.
• Primary Examiner(s): Phunkulh, Bob A.
• Application Number:
  US09/935,118
• Publication Number:
  US 20020024943A1
• Time in Patent Office: 1,805 Days
• Field of Search: 370/352, 370/353, 370/354, 370/355, 370/356, 370/328, 370/329, 370/335, 370/349
• US Class Current: 370/352
• CPC Class Codes: H04L 69/327 in the session layer [OSI layer 5]
• CPC Class Codes: H04L 9/40 Network security protocols
• CPC Class Codes: H04M 2207/18 wireless networks
• CPC Class Codes: H04M 2207/20 hybrid systems
• CPC Class Codes: H04W 88/16 Gateway arrangements

Abstract

The invention provides a telecommunication system that allows communication between a circuit-based wireless telephony network and a packet-based Internet telephony network without requiring access to the Public Switched Telephone Network. The system includes a circuit-based wireless telephony network providing wireless access to the system, a packet-based Internet telephony network providing Internet telephony access to the system, and a base station gateway controller for providing an interface between the wireless telephony network and the Internet telephony network. The invention further provides methods for facilitating communication between a first device, the first device being a packet-based Internet telephony network based device, and a second device, the second device being a circuit-based wireless telephony network based device, by facilitating connection of a call from the first device to the second device, without requiring access to the public switched telephone network.

Claims

1. A telecommunication system, comprising:

a circuit-based wireless telephony network providing wireless access to the system wherein said wireless telephony network comprises a first protocol engine and a first database;

a packet-based Internet telephony network in communication with said wireless telephony network, for providing Internet telephony access to the system wherein said Internet telephony network comprises a second protocol engine and a second database; and

a gateway controller in communication with said wireless telephony network and said Internet telephony network;

wherein said Internet telephony network is adapted for receiving a 1st signal for initiating communication between said wireless telephony network and said Internet telephony network, and for detecting a circuit-based wireless network communication at the time of initialization, and for sending a 2nd signal for obtaining the location of said gateway controller;

wherein said wireless telephony network is adapted for receiving said 2nd signal and for sending a 3rd signal for providing the location of said gateway controller;

wherein said Internet telephony network is further adapted for receiving said 3rd signal and for providing a 4th signal for finding and connecting to said gateway controller; and

wherein said gateway controller is adapted for receiving said 4th signal and for providing a 5th signal for connection with said wireless telephony network.

2. A method for providing telecommunication in a system between a circuit-based wireless telephony network for providing wireless access to the system, wherein the wireless telephony network comprises a first protocol engine and a first database, a packet-based Internet telephony network in communication with the wireless telephony network for providing Internet telephony access to the system wherein the Internet telephony network comprises a second protocol engine and a second database, and a gateway controller in communication with the wireless telephony network and the Internet telephony network, comprising:

receiving a 1st signal at the Internet telephony network for initiating communication between the wireless telephony network and said Internet telephony network;

detecting a circuit-based wireless network communication during said initiation step by the Internet telephony network;

sending a 2nd signal for obtaining the location of the gateway controller by the Internet telephony network;

receiving the 2nd signal at the wireless telephony network;

sending a 3rd signal for providing the location of the gateway controller by the wireless telephony network;

receiving said 3rd signal at the Internet telephony network;

sending a 4th signal by the Internet telephony network for finding and connecting to said gateway controller;

receiving said 4th signal at the gateway controller; and

sending a 5th signal by the gateway controller for connection with the wireless telephony network.

3. A telecommunication system comprising:

a circuit-based wireless telephony network providing wireless access to the system wherein said wireless telephony network comprises a first protocol engine and a first database, wherein said circuit-based wireless telephony network comprises a Mobile Telecommunications System;

a packet-based Internet telephony network in communication with said wireless telephony network for providing Internet telephony access to the system wherein said Internet telephony network comprises a second protocol engine and a second database; and

a gateway controller for providing an interface between at least said wireless telephony network and said Internet telephony network, wherein said interface comprises a signal gateway and voice data communications, wherein said gateway controller is controlled by a call processing engine and is configured to perform vocoding functions for translating between different data coding schemes;

wherein said Internet telephony network is adapted for receiving a 1st signal for initiating communication between said wireless telephony network and said Internet telephony network, and for detecting a circuit-based wireless network communication at the time of initialization, and for sending a 2nd signal for obtaining the location of said gateway controllers;

wherein said wireless telephony network is adapted for receiving said 2nd signal and for sending a 3rd signal for providing the location of said gateway controller;

wherein said Internet telephony network is further adapted for receiving said 3rd signal and for providing a 4th signal for finding and connecting to said gateway controller; and

wherein said gateway controller is adapted for receiving said 4th signal and for providing a 5th signal for connection with the wireless telephony network.

4. The system of 3, wherein said Mobile Telecommunications System comprises a Global System for Mobile Communications network.

5. The system of 3, wherein said Mobile Telecommunications System comprises a Universal Mobile Telecommunications System network.

6. The system of 3, wherein said interface further includes a packet-based mobile switching center.

7. The system of 3, wherein said interface further includes one or more circuit-based base station controllers.

8. The system of 3, wherein said signal gateway is selected from the group comprising a data signal transport gateway or a data signal transport gateway or a media gateway.

9. The system of 3, wherein the telecommunication system does not require utilization of a Public Switched Telephone Network.

10. The system of 3, wherein said Internet telephony network comprises an Internet Protocol network, a Session Initiation Protocol network or a H.323 protocol network.

11. A method for telecommunications between

a) a circuit-based wireless telephony network providing wireless access comprising a Mobile Telecommunications System, wherein the wireless telephony network comprises a first protocol engine and a first database,

b) a packet-based Internet telephony network in communication with the wireless telephony network for providing Internet telephony access, wherein the Internet telephony network comprises a second protocol engine and a second database;

and

c) a gateway controller for providing an interface between at least said wireless telephony network and said Internet telephony network, wherein said interface comprises a signal gateway and voice data communications, wherein said gateway controller is controlled by a call processing engine and is configured to perform vocoding functions for translating between different data coding schemes, comprising;

receiving a 1^st signal at the Internet telephony network for initiating communication between the wireless telephony network and said Internet telephony network;

detecting a circuit-based wireless network communication during said initiation step by the Internet telephony network;

sending a 2^nd signal for obtaining the location of the gateway controller by the Internet telephony network;

receiving the 2^nd signal at the wireless telephony network;

sending a 3^rd signal for providing the location of the gateway controller by the wireless telephony network;

receiving said 3^rd signal at the Internet telephony network;

sending a 4^th signal by the Internet telephony network for finding and connecting to said gateway controller;

receiving said 4^th signal at the gateway controller; and

sending a 5^th signal by the gateway controller for connection with the wireless telephony network.

12. The method of 11, wherein said Mobile Telecommunications System comprises a Global System for Mobile Communications network.

13. The method of 11, wherein said Mobile Telecommunications System comprises a Universal Mobile Telecommunications System network.

14. The method of 11, wherein said interface further includes a packet-based mobile switching center.

15. The method of 11, wherein said interface further includes one or more circuit-based base station controllers.

16. The method of 11, wherein said signal gateway is selected from the group comprising a data signal transport gateway or a data signal transport gateway or a media gateway.

17. The method of 11, wherein the telecommunication system does not require utilization of a Public Switched Telephone Network.

18. The method of 11, wherein said Internet telephony network comprises an Internet Protocol network, a Session Initiation Protocol network or a H.323 protocol network.

19. A telecommunication system providing wireless telephony communication from an Internet telephony network, comprising:

a circuit-based wireless telephony network providing wireless access to the system

wherein said wireless telephony network comprises a first protocol engine and a first database;

a packet-based Internet telephony network in communication with said wireless telephony network, for providing Internet telephony access to the system wherein said Internet telephony network comprises a module, a second protocol engine and a second database; and

a gateway controller in communication with said wireless telephony network and said Internet telephony network;

wherein said module is adapted for receiving a 1st signal for initiating communication between said wireless telephony network and said Internet telephony network, and for detecting a circuit-based wireless network communication at the time of initialization, and for sending a 2nd signal for obtaining the location of said gateway controller;

wherein said wireless telephony network is adapted for receiving said 2nd signal and for sending a 3rd signal for providing the location of said gateway controller;

wherein said module is further adapted for receiving said 3rd signal and for providing a 4th signal for finding and connecting to said gateway controller; and

wherein said gateway controller is adapted for receiving said 4th signal and for providing a 5th signal for connection with said wireless telephony network.

20. A method for providing wireless telephony communication from an Internet telephony network, comprising:

providing wireless access to a circuit-based wireless telephony network wherein said wireless telephony network comprises a first protocol engine and a first database;

providing Internet telephony access to a packet-based Internet telephony network in communication with said wireless telephony network, wherein said Internet telephony network comprises a module, a second protocol engine and a second database; and

providing communication between said wireless telephony network and said Internet telephony network by a gateway controller, further comprising;

receiving a 1st signal for initiating communication between the wireless telephony network and said Internet telephony network at the module;

detecting a circuit-based wireless network communication during said initiation step by the module;

sending a 2nd signal for obtaining the location of the gateway controller by the module;

receiving the 2nd signal at the wireless telephony network;

sending a 3rd signal for providing the location of the gateway controller by the wireless telephony network;

receiving said 3rd signal at the module;

sending a 4th signal by the module for finding and connecting to said gateway controller;

receiving said 4th signal at the gateway controller; and

sending a 5th signal by the gateway controller for connection with the wireless telephony network.