A method for diagnosing a data connection loss which can be remedied by a complete or partial re-start of a mobile terminal.
DE102013012096A1
Procedures for the lawful restriction of legally assigned transfer of access authorizations to user accounts
DE102012001101A1
Method for multilaterally and holistically detecting and improving the quality of mobile services using customer terminals with feedback to the customer.
DE102011117855A1
A method for assessing and mitigating risks through smart phone applications.
DE102010047117A1
Method for protecting personal data in network monitoring with customer terminals
DE102010018282A1
Method for detecting the radio coverage using customer terminals
DE102004045032A1
Mobile radio service offering method involves permitting caller of network operator customers to obtain tariff for callers and other networks of countries and also telephone number of caller
DE10312759A1
Direct routing to international roaming mobile subscriber using the home network
DE10256601A1
Optimized routing of international roaming mobile phone calls, whereby a connection is made from a caller to a guest user in a foreign network without having to go via the user's home network
DE19946244A1
Avoiding temporary loss of availability during porting of telephone number to different network operator
EP0856999A2
Device for preventing transmission from a mobile station
DE4436605A1
Method for the safe locking and unlocking of locks with authentication
DE4335161A1
Method and installation for authenticating connections which can be set up via a telephone network