Mingjun Shan

Policy control method and system, and relevant apparatus

Policy control method and system, and relevant apparatus

METHOD AND APPARATUS FOR COLLECTING CHARGING INFORMATION OF A DATA SERVICE

Policy control method and system, and relevant apparatus

Charging method and system for push-to-talk over cellular system

Method, system and device for device capabilities exchange

Method, system and apparatus of charging for group mode service

Charging method and network system thereof, packet data network gateway and charging system thereof

CHARGING METHOD, NETWORK SYSTEM, CHARGING SYSTEM, AND APPLICATION SERVER

CHARGING METHOD, CHARGING NETWORK ELEMENT, CHARGING SYSTEM, AND COMMUNICATION SYSTEM

Charging method and network system thereof, packet data network gateway and charging system thereof

METHOD, SYSTEM, AND APPARATUS FOR OPENING ACCOUNTING DATA CAPABILITIES

Charging method, system and apparatus

METHOD, DEVICE AND CONTROL SYSTEM FOR ONLINE CHARGING ON ROAMING

Method and system for charging of push to talk over cellular service and communication system

SYSTEM AND DEVICE FOR IMPLEMENTING ADVICE OF CHARGES FOR SUPPLEMENTARY SERVICE

METHOD, SYSTEM AND APPARATUS OF CHARGING FOR GROUP MODE SERVICE

Peer-to-peer communication charging method, communication system and charging device

METHOD AND SYSTEM FOR SENDING MEDIA STREAM-BASED CHARGING REQUEST IN A MULTIPARTY SESSION

AUTOMATIC DEVICE DETECTION SYSTEM AND METHOD

Method and System for Third Party Charging

Method and apparatus for management and interaction of a subscriber identification of a wireless terminal

Apparatus for collecting charging information of a data service and charging method thereof