×

VEHICLE ORIGINATED CELLULAR COMMUNICATION TO A CALL CENTER

  • US 20100167721A1
  • Filed: 12/29/2008
  • Published: 07/01/2010
  • Est. Priority Date: 12/29/2008
  • Status: Active Grant
First Claim
Patent Images

1. A communication method for use by a vehicle telematics unit to provide a wireless communication from the telematics unit to a call center, comprising the steps of:

  • receiving an input at a telematics unit in a vehicle, the input being associated with a desired wireless communication of speech or data from the vehicle to a call center;

    selecting a call type associated with the communication such that, for the communication of speech, the selected call type is a voice cellular call and, for the communication of data, the selected call type is either an in-band modem cellular call or a non-voice channel (NVC) data connection;

    carrying out a connection strategy associated with the selected call type, wherein;

    if the call type is the NVC data connection, then the connection strategy includes one or both of the following two steps;

    originating a packet data connection between the telematics unit and call center; and

    originating an SMS data connection between the telematics unit and call center;

    if the call type is the in-band modem cellular call, then the connection strategy includes a voice channel data connection retry strategy involving a plurality of different connection methods, each of which includes the steps of attempting origination of a voice channel cellular connection via an attached base station and, once an originated voice channel cellular connection is made, establishing a modem data connection between the telematics unit and call center over the originated connection;

    if the call type is the voice cellular call, then the connection strategy includes the step of originating a voice channel cellular connection via an attached base station; and

    sending the desired wireless communication to the call center via the originated connection.

View all claims
  • 14 Assignments
Timeline View
Assignment View
    ×
    ×