Telematics service provider ATX Technologies Inc. is using Portal Software Inc.'s Infranet customer management and billing platform to support its line of location-based mobile services. Infranet will be used to support ATX's telematics services such as automatic collision notification, location-based emergency response and GPS-based navigation. It also allows ATX to launch and support branded services, develop new service and price plans, manage its customer base and collect payments, and may be used to manage future ATX services such as digital entertainment, mobile commerce and telephony.