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General NBX Configuration

Ports Used By NBX by techguru69
Posted: 9 Feb 04

The IMAP4 protocol uses port 25 (SMTP) to send mail, but an IMAP4 server uses port 143 to listen for mail.

To allow IP telephones and Analog Line ports to download, open the following ports through the firewall: UDP 2093 - 2096.

To access NetSet remotely, open port 80.

To use ConneXtions use ports 1025 - 5000 for TCP traffic.

To use ConneXtions use ports 8000 - 8099 by default for UDP traffic.

Port 1720 is used to negotiate and must be preserved.

TCP ports 1040 through 1044 and UDP 2093 through 2096 for NBX behind firewalls.

TCP port 1040 (used for call setup)

NBX_CALL_CONTROL_UDP_PORT = 2093

NBX_AUDIO_UDP_PORT = 2094

NBX_INTER_NCP_SIGNALING_UDP_PORT = 2095

NBX_DIRECTORY_SERVICES_UDP_PORT = 2096

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