Mobile Phone Service

	Mobile Phones and How They Work
	Choice of Service Operators
	How to Deal with Network Congestion
	Report Loss of Mobile Phone or SIM Card Immediately
	Billing Problems
	Fees and Charges
	Charging of Calls Forwarded to a Voice Mailbox Charging of "Unanswered Calls" Charging of Conference Calls with Two Parties Charging of "Peak Hour" and "Non-peak Hour" Calls Charging of "Intra-network" and "Inter-network" Calls Charging of Mobile Data Services
	Mobile Service Contracts
	Safety of Mobile Phones
	Operators to Vertify of Addresses of Potential Customers
	Calling Number Display