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Ports Used by 3CX Phone System v15

The following is a complete list of ports that 3CX Phone System uses in a default installation scenario:

Protocol

Port (Default)

Description

Port Forwarding Required

TCP

5001 or 443

v15: HTTPs port of Web Server. This port can be configured.

Yes – if you intend on using a 3CX client, Bridge Presence, Remote IP Phones from outside your LAN and 3CX WebMeeting functionality.

TCP

5015

V15: This port is used for the online Web-Based installer wizard (NOT 3CX config command line tool) only during the installation process.

Optional - During the installation process when the Web-Based installer is used from external source

UDP & TCP

5060

3CX Phone System (SIP)

Yes – if you intend on using VoIP Providers, WebRTC and Remote Extensions that are NOT using the 3CX Tunnel Protocol

TCP

5061

3CX Phone System (SecureSIP) TLS

Yes – if you intend on using Secure SIP remote extensions

UDP & TCP

5090

3CX Tunnel Protocol Service Listener

Yes -if you intend on using remote extensions using the 3CX Tunnel Protocol (within the 3CX clients for Windows / Android / iOS) or when using the 3CX Session Border Controller

UDP

9000-10999 (default)

3CX Media Server (RTP) – WAN audio/video/t38 streams

Yes – if you intend on using remote extensions or a VoIP Provider

TCP

443

3CX WebMeeting Audio and Video. Not to be opened on the PBX. Must be opened on the network on which the webmeetings will take place.

Yes – if you intend on using 3CX WebMeeting

Free for up to 1 year! Select preferred deployment:

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for Linux on a $200 appliance or as a VM

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for Windows as a VM

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On the cloud

In your Google, Amazon, Azure account

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