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CALL HANDLING ACROSS SUBSCRIPTIONS IN DUAL SIM DUAL ACTIVE (DSDA) DEVICES VIA SHORT RANGE WIRELESS

  • US 20150195393A1
  • Filed: 01/06/2014
  • Published: 07/09/2015
  • Est. Priority Date: 01/06/2014
  • Status: Active Grant
First Claim
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1. A method operational on a multi-subscriber identity module audio gateway device, comprising:

  • establishing a wireless connection between the audio gateway device and a hands free device using a protocol supporting a single subscription;

    establishing a first call which terminates or originates at the hands free device via a first subscription;

    setting up an outgoing call via a second subscription by;

    receiving a first indicator from the hands free device to switch subscriptions, where the first indicator does not specify a subscription;

    establishing an originating second call via the second subscription which originates at the hands free device; and

    setting up an incoming call via the second subscription by;

    sending a second indicator to the hands free device of an incoming third call, where the second indicator does not specify a subscription; and

    establishing the third call via the second subscription which terminates at the hands free device.

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