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
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Publication Date
- 2020-12-04
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Abstract
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...
Examples
Embodiment Construction
[0016] The following detailed description is for illustrating the present invention, but not for limiting the present invention.
[0017] figure 1 Shown is a system that supports mobile device roaming. System 100 includes users 102 and 106, which belong to a common domestic network in the user's country. The domestic network area can be any traditional mobile network area, such as GSM. Mobile phone users 102 and 106 in the domestic network are associated with mobile devices 104 and 108, respectively. In the context of the present invention, user 102's mobile phone 104 has Internet connectivity, while user 106's mobile phone 108 may or may not have Internet connectivity.
[0018] System 100 includes a service provider 112 that provides telecommunications equipment and methods to users 102 .
[0019] A service provider 112 provides an electronic device 114 ( Figure 2A , 2B and 2C and Figure 3A with 3B ), the electronic device 114 is capable of converting and transmitti...