port

  1. Phones Tab: Local vs Public IP Addresses

    I have a live PBX system with around 40-50 handsets. The client has a firewall which has been set up and working for a few years now. SIP ALG is turned off. However, 2 of the handsets out of the 40 are showing a local IP address in the Phone's tab, while every other handset is registering as a...

  2. 3CX v18 Windows App

    We have users working from home using the new Windows App (including myself), and it appears that the app requires extra ports open for audio to work. I have now logged a user trying to make a call and the app attempted to communicate to the PBX via UDP port 10520. This would appear to be in the...

  3. PBX Sending SIP traffic to wrong port

    Good day, I am trying to set up a Yealink P60B as a remote extension using STUN. The phone has been auto provisioned, and it can take and make calls, but no sound is present when answering the phone. I've tracked SIP traffic through the PBX, and it seems like the PBX is contacting the correct...

  4. SIP port mapped to port 2948 | telephony external not possible

    Hello, I have the following problem with my 3CX on my Windows VM: All calls from 3CX to the outside are reported as unavailable. On incoming everything is fine and on an old test setup on a Raspberry PI there are no problems in either direction. The result of the firewall test returns the...
  5. TLCtech

    Solved Cant make outgoing calls, sip adding port number?

    3CX Version, e.g. Standard Annual 16.0.655 Server OS, e.g Raspberry Pi Buster Is the 3CX Server Hosted and where? Locally hosted IP Phone Make/Model/Firmware Using softphones Provisioning Method: Local / VPN / STUN / SBC Local? Trunk Provider or Gateway Make/Model CallCentric Has the Firewall...

  6. Firewall Checker Failed (Google Cloud) even with PBX Express Setup(?)

    Hello, I´ve stumbled upon other threads here with people having problems during their firewall test. In the end somebody from the 3CX Support team recommended to use PBX Express - which is exactly what we did but still receive many errors. Please see attached screenshot. Did we do something...

  7. IPhone using not stated Ports for audio

    Hello there, Is there anything known about Iphones using different audio ports than stated? We had the problem that Android Phones worked in "Network 1" WLAN perfeclty fine (3CX trunk in "Network 2"). However Iphones did not. Signalling was working and the Call could be established, but there...
    • KilDob
    • Thread
    • audio firewall iphone port trunk
    • Replies: 7
    • Forum: iOS

  8. QoS for 3CX- Port range details

    We're using 3CX v 15.5. In our MPLS network, we would like to set QoS for 3CX voice traffic. This requires ports that being used by 3CX. What I found is only the ports associated with server side: UDP 5060, UDP 9000 - 10999 TCP & UDP 5090 Firewall & Router Configuration...
  9. accentlogic

    Add port and full version number to Install list on customer.3cx.com

    The Customer/Partner portal page at https://customer.3cx.com/prm/myinstalls.aspx currently defaults to use port 5001 when clicking on a Domain/FQDN and only shows the Major version number of the install (15.5.0, 14.0.0, etc) Please pull the HTTPS port from the install so that a click of the...
    • accentlogic
    • Thread
    • partner portal port portal version
    • Replies: 2
    • Forum: Server
3CX Logo Footer Copyright © Sitemap Privacy
Top Bottom