Patent ID: 11968531
Assignee: GIESECKE+DEVRIENT MOBILE SECURITY GMBH
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The method according to claim 4, wherein in step (a), the sub-step to send an authentication token (OTP) to be received at the mobile device is performed via a mobile network, via Short Message Service SMS; and/or
in step (a), the sub-step to receive from the requesting device the authentication request (REQ), requesting to authenticate the mobile device, is performed via a communication channel different from the mobile network, such that the mobile phone number MSISDN is not required for use of the communication channel; and/or
the sub-step to receive back the authentication token (OTP) is performed via a communication channel different from the mobile network, such that the mobile phone number MSISDN is not required for use of the communication channel.