Apparatus and method for inter-country telecommunications system

A technology of equipment and protocol communication, which is applied in the field of communication or telecommunications, and can solve problems such as customer replacement troubles and logistical inconvenience
CN112042164APending Publication Date: 2020-12-04阿姆尔穆罕默德埃尔格巴利萨阿德埃尔甘杜尔
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
阿姆尔穆罕默德埃尔格巴利萨阿德埃尔甘杜尔
Publication Date
2020-12-04

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Abstract

An apparatus and method that converts and transmits cell-network communications (mobile calls and messages) to Voice-over-Internet Protocol (VoIP) calls and messages, and vice versa, for those traveling outside their cell network. The system uses a server that authenticates the electronic device and offers other services; and a device software application. The invention converts and transmits cell-network (e.g., GSM) communications to Voice-over-Intemet-Protocol (VoIP) calls and messages and vice versa--converting VOIP calls and messages to cell-network communications.
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Description

technical field

[0001] The present application relates generally to communication or telecommunications, and in particular to devices, systems and / or methods for supporting roaming of mobile devices, such as cell phones, personal digital assistants (PDAs), wireless communication terminals or any computer-driven device. Background technique

[0002] Mobile phones use a variety of technologies, including GSM (Global System for Mobile Communications) and UMTS (Universal Mobile Telecommunications System) LTE, which allow users to make calls or send messages over telecommunications networks. GSM and UMTS mobile phones use Subscriber Identity Modules or SIM cards. The SIM card is a detachable card that contains the user's subscription information and other service information. The SIM card can be removed from the device and placed in another device, allowing the user to switch phone network companies as they wish.

[0003] During normal operation, a mobile phone communicates wit...

Claims

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