This table lists the XBee API Frame Types and the corresponding source files written to handle them.

Type	Description	Source Files
Host to XBee
0x00	Tx Request: 64-bit address	n/a
0x01	Tx Request: 16-bit address	n/a
0x07	IPv4 Remote AT Command	n/a
0x08	AT Command	xbee/atcmd.h, xbee_atcmd.c
0x09	AT Command (Queued)	xbee/atcmd.h, xbee_atcmd.c
0x10	Transmit Request	xbee/wpan.h, xbee_wpan.c
0x11	Transmit Request (Explicit)	xbee/wpan.h, xbee_wpan.c
0x17	Remote AT Command	xbee/atcmd.h, xbee_atcmd.c
0x18	Secured Remote AT Command	n/a
0x1A	IPv6 Tx Request	n/a
0x1B	IPv6 Remote AT Command	n/a
0x1F	SMS Transmit	xbee/sms.h, xbee_sms.c
0x20	IPv4 Transmit	xbee/ipv4.h, xbee_ipv4.c
0x21	Create Source Route	xbee/route.h, xbee_route.c
0x23	IPv4 Tx Request with TLS	n/a
0x24	Register Joining Device	xbee/register_device.h, xbee_register_device.c
0x28	Send Data Request	n/a
0x2A	Device Response	n/a
0x2B	Cellular Firmware Update	n/a
0x2C	BLE Unlock Request	n/a
0x2D	User Data Relay Tx	xbee/user_data.h, xbee_user_data.c
0x2E	Secure Session Control	xbee/secure_session.h, xbee_secure_session.c
0x3B	File System Request	xbee/file_system.h, xbee_file_system.c
0x3C	Remote File System Request	xbee/file_system.h, xbee_file_system.c
0x40	Socket Create	xbee/socket.h, xbee_socket.c
0x41	Socket Option	xbee/socket.h, xbee_socket.c
0x42	Socket Connect	xbee/socket.h, xbee_socket.c
0x43	Socket Close	xbee/socket.h, xbee_socket.c
0x44	Socket Send	xbee/socket.h, xbee_socket.c
0x45	Socket SendTo	xbee/socket.h, xbee_socket.c
0x46	Socket Listen	xbee/socket.h, xbee_socket.c
XBee to Host
0x80	Rx Packet: 64-bit address	n/a
0x81	Rx Packet: 16-bit address	n/a
0x82	Rx Packet: 64-bit address IO	n/a
0x83	Rx Packet: 16-bit address IO	n/a
0x87	IPv4 Remote AT Cmd Response	n/a
0x88	AT Command Response	xbee/atcmd.h, xbee_atcmd.c
0x89	Tx Status	xbee/delivery_status.h, xbee/tx_status.h, xbee_tx_status.c
0x8A	Modem Status	xbee_device.c
0x8B	Transmit Status	xbee/delivery_status.h, xbee/wpan.h, xbee_wpan.c
0x8D	Route Information	n/a
0x8E	Aggregate Addressing Update	n/a
0x8F	IPv4 I/O Data Sample	n/a
0x90	Receive	xbee/wpan.h, xbee_wpan.c
0x91	Receive (Explicit)	xbee/wpan.h, xbee_wpan.c
0x92	I/O Data Sample	xbee/io.h, xbee_io.c
0x94	XBee Sensor Reading	n/a
0x95	Node Identification	xbee/discovery.h, xbee_discovery.c
0x97	Remote AT Command Response	xbee/atcmd.h, xbee_atcmd.c
0x98	Extended Modem Status	n/a
0x9A	IPv6 Receive	n/a
0x9B	IPv6 Remote AT Cmd Response	n/a
0x9F	SMS Receive	xbee/sms.h, xbee_sms.c
0xA0	Over-the-Air Update Status	n/a
0xA1	Route Record	xbee/route.h, xbee_route.c
0xA2	Device Authenticated	n/a
0xA3	Many-to-One Route Request	xbee/route.h, xbee_route.c
0xA4	Register Joining Dev Status	xbee/register_device.h, xbee_register_device.c
0xA5	Join Notification	n/a
0xA7	IPv6 I/O Data Sample	n/a
0xAB	Cellular FW Update Response	n/a
0xAC	BLE Unlock Response	n/a
0xAD	User Data Relay Rx	xbee/user_data.h, xbee_user_data.c
0xAE	Secure Session Response	xbee/secure_session.h, xbee_secure_session.c
0xB0	IPv4 Receive	xbee/ipv4.h, xbee_ipv4.c
0xB8	Send Data Response	n/a
0xB9	Device Request	n/a
0xBA	Device Response Status	n/a
0xBB	File System Response	xbee/file_system.h, xbee_file_system.c
0xBC	Remote File System Response	xbee/file_system.h, xbee_file_system.c
0xC0	Socket Create Response	xbee/socket.h, xbee_socket.c
0xC1	Socket Option Response	xbee/socket.h, xbee_socket.c
0xC2	Socket Connect Response	xbee/socket.h, xbee_socket.c
0xC3	Socket Close Response	xbee/socket.h, xbee_socket.c
0xC6	Socket Listen Response	xbee/socket.h, xbee_socket.c
0xCC	Socket New Client	xbee/socket.h, xbee_socket.c
0xCD	Socket Receive	xbee/socket.h, xbee_socket.c
0xCE	Socket Receive From	xbee/socket.h, xbee_socket.c
0xCF	Socket Status	xbee/socket.h, xbee_socket.c
0xFE	Frame Error	n/a