Patent ID: 9549308
Date: 2017-01-17
CPC Classifications: H04L,H04M,H04W

Claim:
1. A mobile communication device, comprising: a processor configured to receive a request for starting a Mobile Originated (MO) service, determine a plurality of remaining usage quotas for the MO service, which correspond to a plurality of subscriber numbers, and select one of the subscriber numbers for starting the MO service according to the remaining usage quotas, wherein, when at least one of the remaining usage quotas is positive, the one of the subscriber numbers used for starting the MO service is selected with the corresponding remaining usage quota being the highest among the remaining usage quotas, or is selected with the corresponding remaining usage quota being positive and with a corresponding rate of service charge being the lowest among all rates of service charges corresponding to the subscriber numbers for the MO service; and wherein, when none of the remaining usage quotas is positive, the one of the subscriber numbers used for starting the MO service is selected with a corresponding rate of service charge being the lowest among all rates of service charges corresponding to the subscriber numbers for the MO service.