E-Envoys, the governments tech experts are looking into ways that this kind of technology could be used.
Mobile phone users would have to be set up with security checks before the information could be obtained, in much the same way as online banking does.
Although people with pay-as-you-go mobiles won't be able to use this service, so that could cut out many students.
Exam company, Edexcel thinks it would be difficult to co-ordinate all the phones numbers for 4 million students who take exams each year.