qos

  1. 3CX SBC - Set DSCP with nftables

    I noticed in the v20 Update 7 release notes that it says, "marked RTP traffic as high priority (TOS 46) ". When I upgraded to v20 about a year ago, I was surprised that the latest SBC software doesn't set industry standard QoS markings. I got to work in nftables to mark packets with correct...
  2. JulienM

    Enable QoS

    Hello, I am trying to enable QoS on the 3CX server. I changed the "MSRTPTOS" parameter with the value 46 and restarted my server (Debian). When I make a call, I see that my phone (Yealink) correctly tags the DSCP field to the value "EF" : However, for flows from the server to the telephone...
  3. SteveITS

    Solved MCU servers list

    Follow on to https://www.3cx.com/community/threads/mcu-servers-list.113300/ by @Oriol_F ... I realized that all the files-*.3cx.com hostnames and wmr-cdn.3cx.com no longer resolve. Is it now only v18-vc-qos.3cx.net and wmr.3cx.net? And not qos.3cx.net? (which still exists) Or mcu.3cx.net...

  4. Solved 3CX Windows Client - echo

    Hi, I have been experiencing so much echo when using the 3CX Windows Client v18, which is installed on the VM running in AWS. Since my customer has multiple users using the VMs in AWS, I'm trying to establish whether the issue only occurs for a single user. In the meantime however, I would like...
    • Mike94
    • Thread
    • 3cx windows client aws azure echo qos
    • Replies: 3
    • Forum: Web Client

  5. Yealink T27G - Cisco 3650 QoS Question

    We are migrating from Cisco phones to Yealink phones. This Yealink model supports CDP and I can see the phone via show cdp neighbor interface command on my Cisco switch. We are running the usual auto qos commands: interface GigabitEthernet1/0/24 description switchport access vlan 110...
    • amir_
    • Thread
    • cisco qos yealink
    • Replies: 1
    • Forum: Yealink

  6. Mac OS webclient and hands-free feedback needed.

    Good evening, a customer asks me to implement a 3CX standard but only wants softphones. his computers are all iMacs, I think with good hands-free and the webclient it is possible to satisfy him but I have some questions: which wireless hands-free model? will he be able to answer directly from...

  7. 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...

  8. Softphone quality/QoS

    Hey guys, I have a potential client with 19 employees and he wants to be 100% softphone which is great. My issue is with QoS, the client was well equipped with a dedicated internet connexion for his previous phone system but since he wants to go all on windows, that connexion becomes useless...

  9. QOS on sbc controller?

    I saw a walk though posted how to tag the traffic from the sbc with higher priority. I have a couple of questions. A. If you have no qos policy in the network (all dumb switches) is this worthwhile? I mean we can't enforce qos across the wan. B. Installing the required app to make the iptables...
  10. OCWI

    Call quality score / MOS Score / Call quality monitor

    I have demo'd a product called VoIP spear found here https://www.voipspear.com/ While their pricing is far to high for what they accomplish, it is a really cool idea that i think would be very valuable to the providers and re-sellers here. It pings something (anything) on the end users...
    • OCWI
    • Thread
    • call quality call score mos score qos quality monitor sbc monitor
    • Replies: 18
    • Forum: Server

  11. QOS recommendations and best practices for CLOUD (deb 8) install

    Hello, I have had a few quality issues over our network here... We have about 30 phones, all of which are soft phones (latest stable 3cx version on server and end user clients) and we have issues with echo and quality and occasional droped calls. All of this seems to be related to QOS issues...

  12. Calls randomly going silent mid-call

    I currently have an issue at one of my sites, even with internal calls on our LAN. Basically, the calls go through fine, both sides can hear each other and then randomly it'll go silent for 5-10 seconds, and then back to normal. The phones are in their own dedicated VLAN, with QoS enabled...
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