Data conversion in telecommunication systems
Decision-basing apparatus, and an associated method, for...
Device agent
Device billing agent
Device billing agent
Device billing agent
Device management network that facilitates selective billing
Differentiated charging in packet data networks
Digital signal receiver with charge metering equipment
Disposable wireless telephone and method
Distributed wireless online access system
Distributed wireless online access system
Distributed wireless online access system
Dynamic negotiation of resources for user equipment in...
Dynamic quality-of-service and pricing in communication system