PoC system and method of PoC communication

• US 20070224976A1
• Filed: 03/22/2007
• Published: 09/27/2007
• Est. Priority Date: 03/23/2006
• Status: Abandoned Application

• Current Assignee: NEC Corporation
• Original Assignee: NEC Corporation
• Inventors: Miyata, Koushi
• Application Number:
  US11/723,874
• Publication Number:
  US 20070224976A1
• Time in Patent Office: Days
• US Class Current: 455/414.100
• CPC Class Codes: H04W 4/10 Push-to-Talk [PTT] or Push-On-Call services
• CPC Class Codes: H04W 76/45 for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
• CPC Class Codes: H04W 84/08 Trunked mobile radio systems

Abstract

Provided is, for example, a push-to-talk over cellular (PoC) system including a first mobile terminal, a second mobile terminal, and a management center apparatus, in which: the first mobile terminal includes a first wireless communications circuit to receive a PoC communications start response including an identifier of the second mobile terminal from the management center apparatus, and a PoC communications circuit to communicate with the second mobile terminal through PoC communications; the second mobile terminal includes a second wireless communications circuit to transmit a group-participation request including the identifier of the second mobile terminal to the management center apparatus; and the management center apparatus includes a controller to register the identifier of the second mobile terminal.

Claims

1. A push-to-talk over cellular (PoC) system comprising:

a first mobile terminal;

a second mobile terminal; and

a management center apparatus,

wherein said first mobile terminal comprises;

a first wireless communications circuit to receive a PoC communications start response including an identifier of said second mobile terminal from said management center apparatus; and

a PoC communications circuit to communicate with said second mobile terminal through PoC communications,

wherein said second mobile terminal comprises;

a second wireless communications circuit to transmit a group-participation request including the identifier of said second mobile terminal to said management center apparatus, and

wherein said management center apparatus comprises;

a controller to register the identifier of said second mobile terminal.

2. A PoC system according to claim 1,

wherein said first mobile terminal further comprises:

a request transmitter to transmit a request to start PoC communications to said management center apparatus.

3. A PoC system according to claim 1,

wherein the identifier is a phone number.

4. A PoC system according to claim 1,

wherein said first mobile terminal further comprises:

a group-making request transmitter to transmit a request for making a PoC group to said management center apparatus, and

wherein said management center apparatus further comprises;

a group maker to make said PoC group, and

wherein said controller registers the identifier of said second mobile terminal in said PoC group.

5. A PoC system according to claim 1,

wherein said second mobile terminal further comprises:

an information receiver to receive information of a plurality of PoC groups from said management center apparatus, and

wherein said second wireless communications circuit transmits to said management center apparatus a group-participation request to participate in one of said plurality of PoC groups and the identifier of said second mobile terminal.

6. A method for use in a PoC system having a first mobile terminal, a second mobile terminal, and a management center apparatus, comprising:

said second mobile terminal transmitting a group-participation request including an identifier of said second mobile terminal to said management center apparatus;

said management center apparatus registering the identifier of said second mobile terminal;

said first mobile terminal receiving a PoC communications start response including the identifier of said second mobile terminal from said management center apparatus; and

said first mobile terminal establishing communications with said second mobile terminal through PoC communications.

7. A method for use in a PoC system according to claim 6, further comprising:

said first mobile terminal transmitting a request for making a first PoC group to said management center apparatus;

said management center apparatus making said first PoC group;

said second mobile terminal receiving information of a plurality of PoC groups including said first PoC group from said management center apparatus; and

said second mobile terminal transmits to said management center apparatus a group-participation request to participate in said first PoC group and the identifier of said second mobile terminal.

8. A management center apparatus comprising:

a communications circuit that communicates with a first mobile terminal and a second mobile terminal; and

a controller that controls said communications circuit,

wherein said controller registers the identifier of said second mobile terminal and transmits a PoC communications start response including the identifier of said second mobile terminal to said first mobile terminal.

9. A management center apparatus according to claim 8,

wherein said controller makes a first PoC group, transmits information of a plurality of PoC groups including said first PoC group to said second mobile terminal, and registers the identifier of said second mobile terminal in said first PoC group.

10. A host mobile terminal comprising:

a wireless communications circuit that communicates with a guest mobile terminal through PoC communications; and

a controller that controls said wireless communications circuit,

wherein said controller receives a PoC communications start response including an identifier of said guest mobile terminal from a management center apparatus, and communicates with said guest mobile terminal through PoC communications.

11. A host mobile terminal according to claim 10,

wherein said controller transmits a request for making a PoC group to said management center apparatus.

12. A guest mobile terminal comprising:

a wireless communications circuit that communicates with a host mobile terminal through PoC communications; and

a controller that controls said wireless communications circuit,

wherein said controller transmits a group-participation request including an identifier of said guest mobile terminal to a management center apparatus.

13. A guest mobile terminal according to claim 12,

wherein said controller receives information of a plurality of PoC groups from management center apparatus, and transmits to said management center apparatus a group-participation request to participate in one of said plurality of PoC groups and the identifier of said guest mobile terminal.

14. A PoC (Push-to-talk over cellular) system comprising:

a first mobile terminal;

a second mobile terminal; and

a management center apparatus,

wherein said first mobile terminal comprises;

first wireless communications means for receiving a PoC communications start response including an identifier of said second mobile terminal from said management center apparatus; and

PoC communications means for communicating with said second mobile terminal through PoC communications,

wherein said second mobile terminal comprises;

second wireless communications means for transmitting a group-participation request including the identifier of said second mobile terminal to said management center apparatus, and

wherein said management center apparatus comprises;

control means for registering the identifier of said second mobile terminal.