Method for determining e.g. smartphone of third party in e.g. restaurant, involves enabling access to data over portal based on whether and/or which registered telecommunication terminals are provided in circumference

摘要

The method involves registering a user under filing of personal reference data. A request is made by a user to find whether and/or which telecommunication terminals (2-5) of third party registered with a portal (1) are provided in a circumference preset by the user at time point of requests (6-10). Access to data (11) over the portal is enabled based on whether and/or which the registered telecommunication terminals are provided in the circumference. The personal reference data are comprised of indications to own person, photo and/or identification number.