A device for receiving calls from different network numbers based on the secondary number of single card dual standby

Abstract

The invention discloses a device for receiving a call from a different network number based on a single-card dual-standby secondary number, which includes a mobile phone terminal A and a mobile phone terminal B, and also includes a different-network switching center in the same network as the mobile phone terminal A. Among them, the different network switching center is connected to the gateway office responsible for the interconnection of other networks or operators. The gateway office is also connected to the provincial HLR and the local MSC. The local MSC is also connected to the MGW and the single-card dual-standby voice center in turn. The mobile terminal A and the mobile terminal B of the mobile phone are respectively connected to the inter-network switching center and the local MSC through the network. The invention can realize that a secondary number of a mobile terminal used as a living number can receive calls from numbers in different networks.

Description

technical field [0001] The invention relates to a communication device, in particular to a device for receiving a call from a different network number based on a secondary number with a single card and dual standby. Background technique [0002] With the rapid development of the economy, mobile phones have become an indispensable tool in people's daily life. Businessmen or workers who communicate frequently with customers need to use work numbers separately from private numbers based on protecting personal privacy or maintaining personal living space. If you want to use two numbers to distinguish between work clients and your private life, you must have two numbers. To realize simultaneous standby of two cards, two mobile phones or a dual-card dual-standby mobile phone must be used. If a mobile phone only supports single card single standby or dual card single standby, it is completely impossible to realize the simultaneous standby of two cards, or change to a dual card dua...

AI Technical Summary

Problems solved by technology

The user can communicate with others normally with the virtual number. For the person who answers the call, the number he sees on the caller ID is a virtual number, not the user's real number (of course, it can also be a real number), but the virtual number is also Real number resources, from the perspective of number length and arrangement, are no different from real numbers

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