2201R Mobile Tester User Guide
Chapter 3 Performing manual tests and measurements in GSM mode
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Voice coding capability
For all mobile phones with a vocoder supporting the Enhanced Full Rate (EFR) algorithm, the 2201R Mobile Tester
shows Yes in the EFR field.
SMS capability
The SMS field indicates if the mobile phone supports transmission and reception of short messages according to the
Short Messages Services (SMS) substandard of GSM.
Dualband capability
The Dualband field indicates if the phone can operate in both the GSM 900 and GSM 1800 bands.
E-GSM 900 capability
In the Ext. Freq. field, the 2201R Mobile Tester informs you whether the mobile is able to use the extended frequency
range (E-GSM) spanning channel numbers 955 to 1023 and 0.
Ciphering algorithm
In the A5 Ciphering field, the 2201R Mobile Tester displays the A5 cyphering key supported by the mobile.
Procedure
1. Set up a call as shown on page 53 or on page 55.
2. Read the phone type, the IMSI and the IMEI from the GSM Tests menu.
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