How to check whether the mobile phone is empty?

Dialing the past prompts "The number you dialed does not exist", and the mobile phone number does not exist.

The empty number is an unregistered mobile phone number or a non-existent mobile phone number.

The mobile phone number used in China is 1 1 digit, and each segment has a different coding direction: the first three digits-network identification number; 4th-7th digits-area code; Number 8- 1 1- user number. The number is the so-called MDN number, that is, the number that the calling user needs to dial when he is called as a mobile user of this network, and the coding mode of E. 164 is adopted; Stored in HLR and VLR, and transmitted on the map interface.

An empty number refers to a phone number that is not used or does not exist. Include a mobile phone number and a fixed phone number. A number originally used by others, but after changing the number, the original number may become an empty number or a new phone number of others. If you enter an empty number when dialing, the service provider will remind you that the number you dialed is empty, please check.

Empty number detection is a service, the purpose of which is to

Deactivation number

payment arrears

Delete the parking number and extract the number that someone is using.

Practical value of space number detection;

1, used to send SMS advertisements-SMS advertisements need a large number of mobile phone numbers, but the vacancy rate of number segments is very high, so it is necessary to remove vacancies by vacancy detection to save money.

2. Used for telemarketing products-business personnel need to detect vacancy numbers to pre-screen vacancy numbers to improve the efficiency of telemarketing.

How to operate the empty number detection?

There are two ways, the first way: through the network, customers provide number files or number segments to transmit files. After the test is completed, it will be sent back to the customer via QQ or email.

The second way: submit the number through the real number self-service detection platform, and the platform will automatically detect and download it after the detection is completed.