Method for encrypting telephone number

Abstract

The invention discloses a calling number encrypting method which comprises the following steps: a calling party initiates a calling number encrypting service; a service switching point triggers the service to a service controlling point according to an encrypting special service prefix; the service controlling point switches the telephone number of the calling party into an encrypting number, and returns a message carrying the encrypting number to the service switching point; and during calling connection, the service switching point modifies the original calling telephone number into the encrypting number which is presented to a called party. The telephone number of the calling party can be protected by the calling number encrypting method, and the called party is allowed to conduct various communication with the calling party again at the same time, thereby not only ensuring the convenience of communication of a user, but also guaranteeing the safety of the personal information of the user.

Description

technical field [0001] The invention belongs to the technical field of communication, and more specifically relates to a method for keeping telephone numbers secret. Background technique [0002] With the continuous development of communication technology, telephone communication has become an indispensable way of contact in our life, and the caller ID function has also brought us a lot of convenience. However, because some merchants or individuals will use the caller ID function to disclose our personal information such as mobile phone numbers and home numbers for their own improper economic interests, harassment calls or advertising calls have also entered our lives, making While we enjoy convenient communication, we also feel some inconvenience. [0003] In order to protect the phone number from being known by unfamiliar people, some users have applied for the mobile phone number confidentiality service, that is, the called party cannot display the calling number. Chine...

AI Technical Summary

Problems solved by technology

[0004] The existing telephone number confidentiality service can keep the identity of the calling party confidential, but this method prevents the called party from actively initiating a call with the original calling party

The method proposed in Chinese patent CN02808658.9 can only allow the original called party to contact the original calling party again through a short message, and cannot directly communicate with the original calling party

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