Patent attributes
A method, a combined cellular, PDA communication device and system having specialized software applications for allowing a plurality of combined cellular phone/PDA device users to monitor each others' locations and status, to initiate cellular phone calls by touching a symbol on the touch screen display with a stylus which can also include point to call conferencing calling. Each participant's cellular phone/PDA device includes a GPS navigation receiver with application software for point to call cellular phone initiation to participants and geographical entities including vehicles, persons or events, conference calls and video transfers. The method, device and system also includes several features that allow each individual cell phone/PDA device user to interface the automatic identification system (AIS) ship reports and transmissions with cellular IP network participants so that data is exchanged between the AIS carrying ships and cell phone equipped network participants permitting AIS equipped ships to view the location of nearby boats having network cell phones and to allow boats carrying cell phone users to view the locations of AIS equipped ships.