API frames BLE Unlock API - 0x2C
Digi XBee3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
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6. Once unlocked, AT Command (0x8) frames may be sent and AT Command Response frames
received.
a. For each frame to send, form the API Frame, and encrypt through the stream
cipher as described in the unlock procedure. See BLE Unlock API - 0x2C.
b. Write the frame using one or more Write operations.
c. When successful, the response arrives in one or more indications. If your stack does
not do it for you, remember to acknowledge each indication as it is received. Note
that you are expected to process these indications and the response data is not
available if you attempt to perform a read operation to the characteristic.
d. Decrypt the stream of content provided through the indications, using the stream
cipher as described in the unlock procedure. See BLE Unlock API - 0x2C.
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