Patent ID: 8160606

Claim:
A method for operating a mobile location sharing system comprising: receiving a payload including a location descriptor and a list of target identifiers to a target of a group of targets for location sharing from a sender wireless device, the location descriptor includes at least two of a meeting place, an accident location, a point of interest, a name, an alias, or a unique ID name with a street address; identifying a preferred communication mode for each in the group of targets, the preferred communication mode is an appropriate network for the target including at least two of a telephone network, a cellular phone network, a voice mail box, or an e-mail server; selecting a transmission format for the preferred communication mode; sending the location descriptor in the transmission format selected for each in the group of targets for audio-visual output, the audio-visual output includes the transmission format formatted to a synthesized voice message; and identifying an unavailability of at least one target to the transmission format; and resending the location descriptor in a different transmission format to the target with the unavailability.