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Freeze module after the command AT ^ SISO = 5 | Thales IoT Developer Community

December 22, 2021 - 10:08am, 802 views

Hi All.

When I send the command AT ^ SISO = 5 I am able to correctly read the HTTP connection data. But sometimes the command gets stuck, and the modem goes into a freeze state. In particular for the GPRS connection I see that the SM layer remains in the "inactive pending" state. Sometimes, the CME returns: "NETWORK IS DOWN". What can I do to fix the problem? When the modem freezes I have to send the command AT + CFUN = 1,1 even if it is not very nice since it restarts the device.