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AT commands
Network commands
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
193
Network commands
The following commands are network commands.
IP (IP Protocol)
Note
For NB-IoT, TCP and SMS support is dependent on the network. Contact your network provider
for details.
Sets or displays the IP protocol used for client and server socket connections in IP socket mode.
For TLS, the ublox
SARA-R4 series AT Commands Manual
provides the list of supported cipher suites
under the
SSL/TLS security layer profile mUSECPRF
heading.
Parameter range
0 - 4
Value
Description
0x00
UDP
0x01
TCP
0x02
SMS (Transparent mode)
0x03
Reserved
0x04
TLS over TCP
Default
0x01
TL (TLS Protocol Version)
Sets the TLS protocol version used for the TLS socket. If you change the
TL
value, it does not affect
any currently open sockets. The value only applies to subsequently opened sockets.
Note
Due to known vulnerabilities in prior protocol versions, we strongly recommend that you use the
latest TLS version whenever possible.
Note
For NB-IoT, TCP support is dependent on the network. Contact your network provider for
details.
Range
Value
Description
0x00
SSL v3
0x01
TLS v1.0
0x02
TLS v1.1
0x03
TLS v1.2