Port 1765 is commonly used for the Personal Communications Service (PCS) Extension to the Presence Protocol, which is part of the Telephony Application Programming Interface (TAPI) that is used for communication between computers and telephone systems.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 1765 |
tcp |
cft-4 |
cft-4 |
REGISTERED PORT |
Port 1765 |
udp |
cft-4 |
cft-4 |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |