XOT is X25 Over TCP, Request For Comments (RFC) 1613. This allows X.25 packets to be sent over a Transmission Control Protocol/Internet Protocol (TCP/IP) network instead of a Link Access Procedure, Balanced (LAPB) link.
Configure

Configuration Examples and TechNotes

(All IP Tunneling Configuration Examples and TechNotes)

(All IP Tunneling Configuration Examples and TechNotes)
Accepting Incoming PAD Calls without an X.25 Interface

Configuring a Router as a PAD for XOT to an Asynchronous Host

Making Outgoing PAD Calls without an X.25 Interface

Sending PAD Calls From a Router using CMNS

Switching CMNS PAD Calls to an X.25 Network

TCP over X.25

X25 Over TCP/IP With XOT Keepalives

X.25 over TCP/IP

Configuring a Router as a PAD for XOT to an Asynchronous Host
Making Outgoing PAD Calls without an X.25 Interface
Sending PAD Calls From a Router using CMNS
Switching CMNS PAD Calls to an X.25 Network
TCP over X.25
X25 Over TCP/IP With XOT Keepalives
X.25 over TCP/IP