Abstract: The present invention is to provide a method of switching communication modules of a communication device, wherein said communication device comprises a control module and a built-in communication module and has a connecting port on a surface thereof, and the control module respectively connects to the connecting port and the built-in communication module. When the connecting port connects to an external communication module, the control module is able to activate both the external communication module and the built-in communication module, or alternatively one of the external communication module or the built-in communication module.

Abstract: A method of automatically searching a matched mobile phone by means of conversation function of a personal handyphone system (PHS) mobile phone, which comprises steps of issuing a conversation setup request to other PHS mobile phones via a wireless communication after receiving a user's personal information setup and entering into a search and conversation function mode, selecting one of other mobile phones that support the same function mode and nearby receive the conversation setup request for a valid conversation setup, and then performing personal information exchanges therebetween, enabling the PHS mobile phone users to determine whether or not to make friends via the PHS mobile phones according to the personal information being received.

Abstract: The present invention is to provide a method of switching communication modules of a communication device, wherein said communication device comprises a control module and a built-in communication module and has a connecting port on a surface thereof, and the control module respectively connects to the connecting port and the built-in communication module. When the connecting port connects to an external communication module, the control module is able to activate both the external communication module and the built-in communication module, or alternatively one of the external communication module or the built-in communication module.

Abstract: A method of automatically searching a matched mobile phone by means of conversation function of a personal handyphone system (PHS) mobile phone, which comprises steps of issuing a conversation setup request to other PHS mobile phones via a wireless communication after receiving a user's personal information setup and entering into a search and conversation function mode, selecting one of other mobile phones that support the same function mode and nearby receive the conversation setup request for a valid conversation setup, and then performing personal information exchanges therebetween, enabling the PHS mobile phone users to determine whether or not to make friends via the PHS mobile phones according to the personal information being received.