Mobile computer system designed for wireless communication expansion

A system comprising:

• a handheld organizer component including organizer applications and an electrical interface including a plurality of electrical connections, one of the electrical connections being a power signal through-put connection;
• and
• a cellular component, the cellular component designed to removably mate with the handheld organizer component and establish the plurality of electrical connections, the cellular component using the power signal through-put connection in the handheld organizer component to charge its battery;
• wherein the handheld organizer component is operable using said organizer applications without said cellular component and said handheld organizer component and the cellular component forming a single telephone when said cellular component is coupled to said handheld organizer component.

A system comprising:

• an organizer including a processor and plurality of applications for running on the processor, the organizer being a stand-alone device;
• a cellular component including a processor and a plurality of applications, the cellular component designed to be removably coupled to the organizer, such that when the cellular component is coupled to the organizer, some of the plurality of applications on the cellular component are executed on the processor of the organizer;
• and
• a Read Only Memory (ROM) in said cellular component, said ROM including a Set Up application,
• wherein the cellular component and the organizer together form a telephone.

A wireless communication system comprising:

• an handheld computing device including a screen;
• a wireless communication device designed to be coupled to the handheld computing device to form the wireless communication system, the wireless communication device including:
• a first application button for invoking voice control of the wireless communication device, the first application button invoking a voice interface dialog on the screen of the handheld computing device;
• and
• a second application button for invoking data control of the wireless communication device, the second application button invoking a data interface dialog on the screen of the handheld computing device.

A modular cellular telephone, comprising an organizer and a cellular component, the organizer having a screen including:

• a first area permitting dialing of a telephone number, the first area being one of the following:
• a software generated dialing pad,
• buttons for a software generated speed dialing list,
• a call history list, or
• an address book listing permitting single button dialing;
• a second area having software generated button status indicators, wherein the status indicators are replaced by dialed numbers if a user dials a number on the dialing pad.

A modular cellular telephone, comprising:

• an organizer including a standard address book;
• a cellular component including software, the software uploaded to the organizer, when the cellular component is removably mated to the organizer;
• a telephone address book replacing the standard address book in the organizer when the cellular component is mated to the organizer, the telephone address book comprising:
• a database for receiving a plurality of names, the database including the data from the standard address book, the database displaying a name and a telephone number;
• wherein when a name is selected from the database, the name is dialed automatically by the modular cellular telephone.

A modular cellular telephone comprising:

• an organizer including a display screen;
• a cellular component including software, the software uploaded to the organizer, when the cellular component is removably mated to the organizer;
• a connected screen shown on the display screen of the organizer when the modular cellular telephone has a call, the connected screen including:
• a first line status, if the modular cellular telephone has a connection, the first line status including a telephone number of the connection, and whether the first line is talking or on hold.

A modular cellular telephone comprising:

• an organizer including a display screen;
• a cellular component including software, the software uploaded to the organizer, when the cellular component is removably mated to the organizer;
• a voicemail screen shown on the display screen of the organizer, the voicemail screen including:
• plurality of programmable control software generated buttons, the programmable control software generated buttons programmable to control a voicemail system.