How to handle Jinan 400 telephone, where to handle it, and is there any contact information? What's the difference between 400 calls and 800 calls?

You can go to Baidu's homepage and search for "Asian 3G Marketing Center". . .

The difference between 400 phone and 800 phone:

400- mobile phone, PHS can make phone calls; 800-the phone can't dial;

400 Both parties * * * bear the phone bill; 800 companies all bear the phone bill;

Compared with 800, it saves 40% of telephone charges, 800 0.7-0.85 yuan/minute, 400 0.25-0.30 yuan/minute, and reduces malicious calls.

The nationwide networking is rapid, and the network can be switched by region, and only one number is used in the whole country, thus avoiding many inconveniences caused by changing business telephones.

800 phone and 400 phone have exactly the same function, and they are all national unified 10 toll-free special service numbers. In the past two years, 400 telephones have developed rapidly, and the total business volume has far exceeded 800 telephones. At present, it is generally believed that the 400 phone is an upgraded version of the 800 phone for the following reasons:

The 400 phone supports mobile phone dialing.

400 telephone supports all users, including mobile phones, fixed lines and PHS, while 800 telephone does not support mobile phone dialing, and can only dial through fixed lines and PHS. This is the biggest improvement of 400 telephones compared with 800 telephones. The number of mobile phone users in China has exceeded 654.38 billion, and making phone calls with mobile phones has become a habit of many people. You can imagine how inconvenient it would be if the mobile phone announced by the company did not support mobile phone calls.

800 can only be dialed by fixed telephone, and 400 telephone has increased the dialing function of mobile phone, expanding 654.38 billion mobile phone users and expanding the application scope of the whole country;