– 91.236.192.231 port 5060
– 91.212.215.228 port 5060
– sip2.mottovoip.nl port 5060
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 |
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 |
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 and Remote Extensions that are NOT using the 3CX Tunnel Protocol / 3CX SBC |
|
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 7000-8999 |
3CX Media Server (RTP) – WAN audio/video/t38 streams 3CX Media Server (RTP) – LAN audio/video/t38 streams |
Yes – if you intend on using remote extensions, WebRTC or a VoIP Provider No – If you have strict routing on your LAN though, you must allow traffic from/to your 3CX server on there ports (Also applies to site-to-site VPNs) |
|
TCP |
2528 |
3CX SMTP Server – Must allow PBX passthrough on the network for the PBX to send email notifications via the 3CX SMTP |
No |
