Digi XBee 3 Cellular LTE-M, User Manual, Page: 283 / 331

API frames Socket Bind/Listen - 0x46
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide 283
Socket Bind/Listen - 0x46
Description
Opens a listener socket that listens for incoming connections.
When there is an incoming connection on the listener socket, a Socket New IPv4 Client - 0xCC frame is
sent, indicating the socket ID for the new connection along with the remote address information.
For a UDP socket, this frame binds the socket to a given port. A bound UDP socket can receive data
with a
Socket Receive From: IPv4 - 0xCE frame.
Format
The following table provides the contents of the frame. For details on frame structure, see API frame
format .
Field name
Field
value
Data type Description
Frame type 0x46 Byte
Frame ID Byte A reference identifier used to match status
responses. If set to
0 , the device does not
send a response.
Socket ID Byte The socket ID to listen on.
Source port 16-bit big endian The port to listen on.