What are the main purposes of China Mobile's one card, many numbers and many numbers? What is it used for?

Moreover, multiple numbers and multiple numbers are online at the same time, which can be switched at any time to protect privacy. A SIM card can have multiple numbers, and it doesn't have to be opened in the business hall. Multiple numbers can be online at the same time, and on/off can be set to prevent harassing calls. The main and secondary numbers share the package, and the main number pays.

1, social circle separation

Existing multi-number users: users who already have multiple numbers are inconvenient to carry multiple terminals.

Business personnel change the number: due to business or personal reasons (such as job changes), it is necessary to change the number, but the previous number has accumulated important network resources and needs to be retained.

Salesperson: There are many contacts, business cards are widely spread, and contacts are clearly classified, which can be divided into business contacts and life contacts.

Long-term passive demand: special occupations such as film police and medical staff need to provide mobile phone numbers to the public, and the life circle and work circle are strictly separated, with a high degree of information disclosure.

2. Protect the privacy of the main number

Online shopping: Tmall, JD.COM and other online shopping need to leave the mobile phone number for the courier to contact, without leaving the main number. Don't worry about the phone bombing of the seller.

Temporary passive demand: because of the need to communicate with intermediaries, such as housing rental/sale, second-hand transactions, etc. Most of them are phased needs, mainly passive contact.

Website registration: 58 life websites such as the same city and dating websites. Need to register or reserve a mobile phone number, mainly for strangers, information is easy to leak.

Offline life category: take-away ordering, hotel reservation, discount for physical store members, car moving service, etc. Need a mobile phone number, which is mainly used to receive information and communicate temporarily.

Extended data

And multi-number users can add up to three real mobile phones as secondary numbers without changing their mobile phones or SIM cards. The primary and secondary numbers can stand by at the same time, and you can freely choose any number to dial, answer the phone and send and receive short messages as needed.

One machine with multiple numbers, China Mobile 139, 138, 137, 136, 135, 134, 150,/kloc. China Unicom 130,13, 132, 155, 156, 175, 176.

You can save multiple numbers at the same time, and at the same time keep the phone book, short messages and other materials on the original SIM card (the phone book is limited to 300). Multiple numbers share the phone book, short messages and other information on the SIM card.

Baidu Encyclopedia-He Duohao

Baidu encyclopedia-one card with many numbers