Method of Operating a Dual SIM Wireless Communications Device
First Claim
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1. A method of operating a wireless telecommunications device containing multiple subscriber identities which have been allocated by one or a plurality of wireless networks by which the said multiple subscriber identities are enabled and activated for simultaneous use on a single wireless network.
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Abstract
A wireless telecommunications device is configured so that it is capable of handling multiple instantiations of GSM control channels and thereby capable of holding multiple SIMs, can register each SIM with the network consecutively, and maintain idle network connections for each SIM using separate control channels. This allows calls and messages to be received on any registered SIM.
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12 Claims
- 1. A method of operating a wireless telecommunications device containing multiple subscriber identities which have been allocated by one or a plurality of wireless networks by which the said multiple subscriber identities are enabled and activated for simultaneous use on a single wireless network.
Specification