Apparatus and method for connecting wireless devices

1. A connecting apparatus for a wireless device, comprising:

a contact unit configured to provide a communication interface in physical contact with another wireless device when the other wireless device contacts the contact unit, wherein information for wireless communications is transmitted through the contact unit;

a controller configured to: receive the information from the other wireless device through the contact unit and establish a protocol for wireless communications with the other wireless device using the information, when the other wireless device contacts the contact unit;

a group setting unit configured to generate a group identification code, and to transmit the group identification code to the other wireless device in order to assign the group identification code to the other wireless device through the contact unit, when the other wireless device contacts the contact unit; and

a wireless communication unit configured to transmit or receive data to or from the wireless device according to the protocol when the other wireless device is separated from the contact unit, and to perform group communications using the group identification code.

2. The connecting apparatus of claim 1 , wherein the information for wireless communications is information about a unique identifier or an address of the other wireless device, or a communication protocol that is to be used.

3. The connecting apparatus of claim 1 , wherein the group identification code is generated arbitrarily or by a user's designation.

4. The connecting apparatus of claim 1 , wherein the group setting unit is configured to determine whether a different wireless device contacts the contact unit within a predetermined time after the other wireless device are separated from the contact unit, and to assign the group identification code assigned to the other wireless device to the different wireless device if the different wireless device contacts the contact unit within the predetermined time.

5. The connecting apparatus of claim 1 , wherein the wireless communication unit is configured to transmit the same data to one or more wireless devices to which the same group identification code is assigned so that the one or more wireless devices perform group communications.

6. The connecting apparatus of claim 1 , further comprising a testing unit configured to generate a testing signal in order to determine whether the other wireless device operates normally, and to transmit the testing signal to the other wireless device through the contact unit.

7. The connecting apparatus of claim 1 , wherein the contact unit comprises a plug, a socket, or a contact terminal, that is configured to transmit information between the wireless device and the other wireless device.

8. The connecting apparatus of claim 1 , wherein the wireless device and the other wireless device are configured to connect to and disconnect from each other.

9. The connecting apparatus of claim 1 , wherein the wireless device is a cellular phone, a Personal Digital Assistant (PDA), a Portable Multimedia Player (PMP), a wireless earphone, or a wireless headset.

10. The connecting apparatus of claim 1 , wherein a part of the other wireless device is configured to be inserted into or fixed to the contact unit.

11. The connecting apparatus of claim 1 , wherein the controller is configured to register the basis information for communications in the wireless device.

12. A method for connecting at least two wireless devices, the method comprising:

when the at least two wireless devices contact each other, establishing a wired communication channel through contact surfaces on which the at least two wireless devices contact each other;

loading information for wireless communications stored in advance in the at least two wireless devices, and exchanging the information between the at least two wireless devices through the contact surfaces;

establishing a protocol for wireless communications using the basis information for communications;

generating a group identification code and assigning the group identification code to the at least two wireless devices through the contact surfaces, when the at least two wireless devices contact each other; and

performing group communications using the group identification code,

when the at least two wireless devices are separated from each other, performing wireless communications based on the established protocol.

13. The connecting method of claim 12 , wherein the information for communications comprises information about unique identifiers or addresses of the at least two wireless devices, or a communication protocol that is to be used.

14. The connecting method of claim 12 , wherein the generating and assigning of the group identification code comprises

determining whether another wireless device contacts a wireless device of the at least two wireless devices within a predetermined time after the at least two wireless devices are separated from each other; and

if the other wireless device contacts the wireless device of the at least two devices within the predetermined time, assigning a group identification code assigned to the at least two wireless devices to the other wireless device.

15. The connecting method of claim 12 , further comprising: registering the information respectively in the at least two wireless devices.