... so on which is based on the GPS/GPRS/GSM.vehicle tracker,personal tracker,pet trackerThe function of AGPS business1. ... port.3. Calling: The user can contact with the customer at any time through LBS terminal ... of needed institutions, offices and sites.10. SOS: When the user meets some accidents and can ... The customer can set the date, time, volume, alarm clock, ringing tone and language in the terminal. ...