Port 1720

Modified by:

Port 1720 is typically used for H.323 multimedia conferencing over a TCP/IP network. It is associated with initiating and managing connections for video conferencing and other real-time multimedia communications.

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 1720
tcp
h323hostcall
h323hostcall
REGISTERED PORT
Port 1720
udp
h323hostcall
h323hostcall
REGISTERED PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
Other ports
Port 84
Ports those registered with IANA are shown as official ports. The same port number
Port 1915
Ports those registered with IANA are shown as official ports. The same port number
Port 4123
Ports those registered with IANA are shown as official ports. The same port number
Ports 17800 – 17900
Port 17800- Port 17900 Port 17900- Port 18000 Port 18000- Port 18100 Port 18100-
Port 3329
Ports those registered with IANA are shown as official ports. The same port number
Port 1026
Port 1026 is used by the Remote Procedure Call (RPC) service over Transmission Control
Port 3355
Port 3355 is not associated with any standard services or protocols. Its use is
Port 17755
Port 17755 is not a well-known port and is not officially assigned to any
Port 1236
Ports those registered with IANA are shown as official ports. The same port number
Port 2935
Ports those registered with IANA are shown as official ports. The same port number
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