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Wireless device with single SIM operating as though it had two or more different SIMs
Wireless device with single SIM operating as though it had two or more different SIMs
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机译：具有单个SIM卡的无线设备，就好像它具有两个或多个不同的SIM卡一样
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摘要
A wireless device includes a single SIM, plus an application module adapted to enable the device to operate as though it included two or more different SIMs. The module, referred to as a 'proprietary applications module' (BPAM/B) is downloaded to, connected to, or built into, a wireless device (WD). The PAM is capable of switching all incoming traffic by associating the WD to one specific subscriber identity sub-module, referred to as "Local SIM" (LS). It can also switch or re-route all outgoing traffic by associating the same WD with a different subscriber identity sub-module, typically a "Roaming SIM" (RS), which can enable outgoing calls to be made more cheaply via a virtual telecoms operator i.e. over the internet. In a preferred embodiment, the PAM, RS and LS are built-into a single SIM for use in a WD.
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