| 摘要 |
FIELD: rendering of telecommunication services. ^ SUBSTANCE: system contains a number of one-time debit cards, at least one place of mentioned debit cards distribution which has at least one cash register, main server center, communication terminal, informational channel between cash register in debit cards distribution place and main server center. Each debit card contains additional identification symbol, hidden from user by opaque film and the main server center database contains at least three cells for every card. One of the cells contains information which identifies the card and which is printed openly on the card, the other cell contains information which identifies the card and which is hidden on the card by opaque film, and the third cell contains information about card payment. ^ EFFECT: prevention of service rendering for unpaid one-time debit cards. ^ 4 cl, 4 dwg |
