rtp

  1. Modifying RTP/WebRTC ports

    Good day, I'm running multiple own-hosted/on-prem 3CX servers behind a Firewall and NAT. Most of those servers share an external IP address and have different port ranges for their SIP and tunnel traffic. Only a few of them require the webclient so I've been attempting to forward the WebRTC...

  2. No RTP - DECT W60B

    Hi there, I have had reports of no speech/dial tone for a list of extensions that are all registered against all DECT devices, Initially there were some Firewall issues and the Firewall checker was failing. I have now got the checker passing all the rules, as well as all DECT Base 1 and Base 3...

  3. Intermittent One Way Audio

    Hi, Pulling my hair out over this one! Client is experiencing random intermittent drop outs of the callers voice. The caller can hear our client but the client cannot hear the caller. This happens briefly for 2-10 seconds and largely happens when there are multiple calls happening. Client...

  4. Solved Direct media from Client to Gateway

    Hi everyone, I have a PBX installed on a cloud environment. All my users are on the same site and I have a VPN site-to-site between them and my PBX (different subnets). I have a PSTN Gateway on site, so I don't want all my Media (RTP traffic) to pass through the PBX, I'd like it to go straight...

  5. SBC Errors - RTP

    Hello, I receive dozens of the following errors on multiple Windows SBCs, interfacing with cloud instances hosted on Amazon Lightsail. This following error occurs dozens of times with every call. ERR | 20190522-161854.776 | 3CXTunnel | TUNL | 3676 | Bridge.cpp:712 | Has no registered RTP...

  6. RTP keepalives

    Hello, Anyone has dealt with RTP & firewall issues on a hosted 3CX where call is put on hold (here it was a Yealink phone) for some time and users can no longer get audio upon resuming the call ? When a call is put on hold, the SIP re-invites will set media to "inactive" (no RTP flowing both...

  7. Firewall port closed - RTP still flowing

    Hello, Let's assume the following simple setup: Internal 3cx (RTP port 9000) - - - > Firewall - - > Internet - - > Provider (RTP port 10000) The internal 3cx has a SIP trunk with the provider and UDP port 5060 is open on the local Firewall, so SIP negotiation is OK. However, RTP port 9000 is...
  8. theMightyMacBoy

    Solved Firewall Checker Fails on most RTP ports

    I have setup a 3CX server to use for our company and configured our firewall ports and NATing. When I run the firewall test, the first several ports pass but then the rest fail. I am source and destination NATing all ports on one public IP for 3CX, so I don't understand why the first several...
  9. mgeorge46

    NIC Teaming in Windows Server

    Hello Team, I have just setup 3CX on physical box at our office locally though currently the box is connected to the network using one cable but the server can support up to 4 network cables I was thinking of using the NIC team feature with windows server 2016 , I need to know if this is...
  10. Brandan Hermo

    RTP PORT management

    Since the upgrade to version 15.5 SP5 the range of RTP ports has varied and now they are from 9000-10743. This is too large a range for PBXs that are not for 1024 concurrent calls. In clients of 4, 8, 16, 32, 64 it is not necessary to use such a wide range of ports. This generates...

  11. Rtp secure Calls fail if another also has only secure

    Ref:Android 3cx soft phone have pbx express Hello Have observed if I enable Only secure in rtp I can comfortably place calls when receiver has rtp secure as normal or only secure but if receiver also has only secure in rtp calls fail, kindly guide on this Reference doc :: 3cxsoftphone RTP...

  12. one-way audio: 3CX not progress audio packets

    Hello, 3CX is receiving RTP traffic from Trunk SIP but it is not progressing it to the registered device. The scenario is the following: Yeahlink phone -> 3CX -> SBC -> TDM (yeahlink, 3CX and SBC are in the same network) we would like to not anchor the media in 3CX so uncheck "PBX Delivers...
  13. cel

    3CX Voice (VoIP) Quality Monitoring

    I would like if possibility to integrate the 3CX including the IP phone sets, Gateways into a proactive VoIP monitoring solution such as Service Pilot or IR Prognosis. https://www.servicepilot.com/en/voip-monitoring/ http://www.ir.com/prognosis/features The 3CX should deliver the following...
    • cel
    • Thread
    • alarm monitoring quality rtp voip
    • Replies: 16
    • Forum: Server
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