A cellular, PDA communication device and communication system for allowing
a plurality of cellular phone 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 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 and system also includes automatic shifting from
GPRS/EDGE/CDMA/1XEVDO to SMS when any of the cellular phones in the
communication network is in the voice mode and in use and for automatic
shifting back to GPRS/EDGE/CDMA/1XEVDO upon completion of the voice phone
call. In addition, using the system, a full transfer of photographs,
video clips and high speed data can be used between any cellular phones
regardless of who the cellular phone vendors or cellular phone companies
are and in either CDMA, GSM, WiFi or a combination of the two.