Port 1921 is commonly used for communication with Cisco Finesse, which is a web-based agent and supervisor desktop designed for Cisco Contact Centers. It is used for real-time monitoring, reporting, and call center operations management.
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 1921 |
tcp |
noadmin |
NoAdmin |
REGISTERED PORT |
Port 1921 |
udp |
noadmin |
NoAdmin |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |