For the fixed network operators, the cell phone industry has strong impact on the traditional fixed telephone industry. The expense of cell phone reduces constantly while the rent of traditional fixed telephone must be paid monthly. As a result, the number of fixed telephone increases slowly, even in some areas the number of the customer who has quitted the telephone service is much more than the newly-increased customer. Consequently, China Telecom and China Netcom take the IPTV For the fixed network operators, the cell phone industry has strong impact on the traditional fixed telephone industry. The expense of cell phone manifestion yet while the rent of traditional fixed telephone must be paid monthly. As a result, the number of fixed telephone increase slowly , even in some areas the number of the customer who has quitted the telephone service is much more than the newly-increased customer.