2201R Mobile Tester User Guide
Chapter 3 Performing manual tests and measurements in GSM mode
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Testing the SMS capabilities
The SMS field in the MS Info section of the GSM MS Info menu shows if the Short Message Service (SMS) capability
is implemented.
You can test the actual capability in both directions; that is, you can send a short message from the 2201R to the
mobile phone or vice versa. Both can be done either in idle mode or while engaged in a call.
Testing the SMS capabilities in idle mode
You can test the mobile phone’s capability to send, or to receive and display a short message while the phone is not
engaged in a call.
1. Ensure that a Test SIM is plugged into the mobile phone and connect the phone to the 2201R as depicted in
’Connecting the device under test’ on page32.
2. From the start menu, select GSM.
The GSM Tests menu appears.
3. Select a base channel (BCCH) and a traffic channel (TCH) in the frequency band of interest (see Table 7 on
page 42).
4. Select an RF output power in the 2201R that is sufficiently high to allow the mobile phone to find the carrier,
which is typically well above –100 dBm.
5. Switch on the mobile phone, and wait until it indicates that it has found a base station.
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