Virtual subscriber network
Virtual subscriber network
Voice mail based billing delivery system
Wireless cell site finder and customer service system
Wireless communication cost prediction for mobile device
Wireless communication device adjusting antenna position and...
Wireless communication device with replaceable battery and prepa
Wireless communication system capable of changing...
Wireless communication system in which a termination access...
Wireless communication system, base station, packet control...
Wireless network infrastructure
Wireless network infrastructure
Wireless prepaid platform integration with standard signaling
Wireless prepaid platform integration with standard signaling
Wireless prepaid telephone system with dispensable instruments
Wireless prepaid telephone system with dispensable instruments
Wireless prepaid telephone system with dispensable instruments
Wireless prepaid telephone system with extended capability
Wireless telecommunication system with prepaid architecture
Wireless telephone as a transaction device