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Troubleshooting Symptom Charts/Internal Modem - 31
Battery Contacts.”)
Modem does not
respond properly to
AT command set
instructions
1 Verify that baud rate and data format settings of
communications application are compatible with internal
modem and remote modem.
2 Check phone cord connection and operation.
3 Verify using system software 7.5.2 or later.
4 Remove and reseat modem card.
5 Replace modem card.