phone card

Method and apparatus for prepaid phone card activation and billing
Validity and reliability of a dietary assessment method: the application of a digital camera with a mobile phone card attachment
The application of a handheld personal digital assistant with camera and mobile phone card (Wellnavi) to the general population in a...
Application of OTA Technology in Mobile Phone Card MenuItem Update
RESEARCH ON APPLICATION OF MOBILE PHONE CARD DIGITAL SIGNATURE TECHNOLOGY IN ELECTRONIC MEDICAL RECORD SYSTEM
A Novel Application of the Phone Card and Its Authentication in Mobile Communications
Method and apparatus for prepaid phone card activation and billing
Sprint is using EDS for phone-card plan
Firm Using Phone Card as ATM Survey Incentive
Method and system for using a frequent shopper card as a phone calling card