Patent ID: 9433000
Filing Date: 2016-08-30
CPC Classification: H04W,Y02D

Claim Text:
1. A data service connection establishing method for a single-card dual-standby terminal, comprising: initiating a data service connection request through a first network; receiving a response to the data service connection request through the first network; establishing a data service connection bearer on the first network when the response to the data service connection request indicates that a data service bearing capability of a general packet radio service (GPRS) of the first network can bear the data service connection request; enabling a radio frequency of a second network on the single-card dual-standby terminal when the response to the data service connection request indicates that the data service bearing capability of the GPRS of the first network cannot bear the data service connection request; establishing the data service connection bearer on the second network when the response to the data service connection request indicates that the data service bearing capability of the GPRS of the first network cannot bear the data service connection request; and switching the data service connection bearer from the second network back to the first network when a message is received indicating that the data service bearing capability of the GPRS of the first network can bear the data service connection request.