Patent ID: 7831249
Filing Date: 2010-11-09
Classification: H04M,H04W

Abstract:
1. A test device ( 1 ) for use in a test system for checking transmission procedures in a mobile telephony network, comprising a mobile telephone ( 2 ) configured such that it is able to communicate with a subscriber identification module (SIM), and comprising a SIM simulation processor ( 4 ) locally associated with the mobile telephone ( 2 ), to prepare a SIM simulation, the SIM simulation processor ( 4 ) being designed to be connected to other components of the test system, wherein the test device ( 1 ) also has a physical SIM card ( 10 ) connected to the SIM simulation processor ( 4 ) such that the mobile telephone ( 2 ) is able to communicate selectively with the SIM simulation or with the physical SIM card ( 10 ), wherein the physical SIM card ( 10 ) is connected to a voltage source ( 15 a ) of the mobile telephone ( 2 ).