API frames
Transmit (TX) SMS - 0x1F
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
254
Transmit (TX) SMS - 0x1F
Description
Transmit an SMS message. The frame allows international numbers with or without the
+
prefix. If you
omit
+
and are dialing internationally, you need to include the proper International Dialing Prefix for
your calling region, for example, 011 for the United States.
Note
For NB-IoT, SMS support is dependent on the network. Contact your network provider for
details.
Format
The following table provides the contents of the frame. For details on frame structure, see
Field name
Field value
Data type
Description
Frame type
0x1F
Byte
Frame ID
Byte
Reference identifier used to match status
responses.
0
disables the TX Status frame.
Options
Byte
Reserved for future use.
Phone
number
20 byte string
String representation of phone number
terminated with a null (0x0) byte. Use numbers
and the
+
symbol only, no other symbols or
letters.
Payload
Variable
(160 characters
maximum)
Data to send as the body of the SMS message.