Subsystem enabling in-province non-local home network number to call vice number

Abstract

The invention discloses a subsystem enabling an in-province non-local home network number to call a vice number. The subsystem comprises a mobile phone terminal A of a single-card single-number subscriber unavailable to single-card dual-standby service, an in-province non-local mobile switching center MSC, a local mobile switching center MSC, a low level signaling transfer point LSTP, a media gateway MGW, a single-card dual-standby call center device, a CRM comprehensive operating and accounting device, a mobile phone terminal B of a subscriber available to the single-card dual-number service which is connected with the local mobile switching center MSC and a home location register HLR which is connected with the in-province non-local mobile switching center MSC, wherein the mobile phone terminal B has a main number and a vice number, the home location register HLR and the in-province non-local mobile switching center MSC can exchange date with and transfer information to each other, and the CRM comprehensive operating and accounting device is used for charging fees. The subsystem enables the in-province non-local subscriber unavailable to the single-card dual-standby service to use the vice number of the subscriber available to the single-card dual-standby service to contact with the subscriber available to the single-card dual-standby service, thereby realizing in-province non-local communication at any time.

Description

technical field [0001] The invention relates to the communication field, in particular to a sub-number sub-system for sub-number calling from local network numbers in different places within the province. Background technique [0002] The society is constantly developing and progressing, and people's lives are also changing accordingly. In the past, mobile phones were a symbol of status, but today's mobile phones have become an indispensable communication tool in people's daily life. Businessmen need to communicate with customers frequently, but Hope to separate work from life, protect personal privacy and maintain personal living space. What is generally adopted now is to use multiple calling cards at the same time to realize this function, but since most of the current mobile phones can only be inserted with one calling card, if you want to use multiple calling cards, you need to buy multiple mobile phones at the same time, which will bring inconvenience to travel . In a...

AI Technical Summary

Problems solved by technology

[0003] The present invention overcomes the deficiencies of the prior art, and provides a sub-number sub-system for sub-number calls from local network numbers in different places within the province. Get in touch, defects that make communication inconvenient

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