In order to make the change of subscription type easy for subscribers using prepaid subscriptions, information indicating the types of a last used voucher and a new voucher is maintained. This information can be used to determine the types of said vouchers, to detect a change of subscription type and to select the proper way to update the credit.
申请公布号
WO0035182(A3)
申请公布日期
2000.10.26
申请号
WO1999FI00995
申请日期
1999.12.02
申请人
NOKIA NETWORKS OY;PEDERSEN, CARSTEN, THORMOD;RIIS, SOEREN, KAMARIC;JUL, THOMAS
发明人
PEDERSEN, CARSTEN, THORMOD;RIIS, SOEREN, KAMARIC;JUL, THOMAS