APPARATUS AND METHOD OF PERFORMING EFFICIENT DATA SERVICE SWITCH BETWEEN TWO SUBSCRIPTIONS IN DUAL SIM DUAL STANDBY DEVICES
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United States of America Patent
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Issued Date -
Aug 10, 2017
app pub date -
Feb 9, 2016
filing date -
Feb 9, 2016
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for performing data service switch for a mobile communication device having a first subscription configured as a dedicated data subscription (DDS) and a second subscription includes: receiving a multimedia messaging service (MMS) message notification on the second subscription; calculating an approximate transfer time for receiving the MMS message; determining the that the approximate transfer time is less than a specified time; in response to determining that the approximate transfer time is less than the specified time, performing at the mobile communication device a local packet switched (PS) service detach procedure for the first subscription; performing a circuit switched (CS) service attach procedure for the first subscription; and performing a PS service attach procedure for the second subscription.
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