sip

  1. "also ring my mobile" option timeout

    Hello, We previously experienced an issue with call forwarding where the callee’s number was displayed instead of the caller ID. We have resolved this by enabling the "also ring my mobile" option, which now correctly displays the caller's number. However, we would like to know if it is...

  2. PBX 200 Ok not sending

    We have installed a 3CX v20 ok digital ocean about 10 months ago. We used a SIP provider for external calling since then too. Our SIP trunk worked great for the last 10 months until today when our trunk shows unregistered for hours then registered for a few minutes before going unregistered...

  3. 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...
  4. ronenba

    outgoing calls stopped working

    I am using 3cx on the cloud Version 20.0 Update 7 (Build 1019 Beta), something started last Friday, cannot make outgoing calls 1. sip provider VoIP.ms 2. i have a few PBX with the same provider all working fine 3. i can receive incoming calls to the 3cx 4. outgoing calls ring once, then on the...

  5. SIP Trunk to Cisco, names are not displayed

    Hello everyone, We have configured a SIP trunk between 3CX and Cisco Call Manager. All works fine except that the names are not displayed on Cisco phones when call is initiated from 3CX Is there any way to make it send the names
    • asuhov
    • Thread
    • did names sip
    • Replies: 3
    • Forum: Other

  6. Configure 3CX with RingCentral

    Here is the Ringcentral SIP: SIP Domain sip.ringcentral.com:5060 Remote SIP port 5060 Local SIP port 5060 Outbound Proxy Please select outbound proxy according to the location of your device Outbound Proxy Port 5090 User Name 1XXXXXX5...
  7. Univ. of North Florida

    DID and Caller ID Errors After Upgrade to V20 Update 5

    Hi, We are with the University of North Florida’s Telecom Team and we have found a couple of issues that appeared after we performed an update to V20 Update 5 Build 20.0.5.551. Issue 1: We are no longer able to have more than 100 entries in our “Reformat incoming or outgoing caller ID”...
    • Univ. of North Florida
    • Thread
    • caller id caller id reformatting did error sip sip 3cx v20 update update 5
    • Replies: 4
    • Forum: US

  8. Gamma Trunk Not Registering

    I'm having trouble registering a gamma trunk. I've tried the same trunk directly on a yealink phone and it registers fine with incoming and outgoing calls working. On 3CX I've tried adding it using the gamma template where i get a 404 error. I've also tried adding it as a generic trunk but get...

  9. Sophos Firewall, AT&T On-prem SIP, and 3CX VM

    Good afternoon everyone! Does anyone have any good tips or pointers using a Sophos firewall and setting up 3CX as a VM? We have AT&T on-prem SIP for voice services. The thought is to set a port on the firewall to the AT&T SIP static and then set up a DNAT to point that traffic to the 3CX VM host...

  10. 3CX RTP Firewall 'Other' Ports

    Afternoon All, I have a 3CX (V20) install on a different subnet (10.251.11.2) to the IP phones (10.241.11.0/24). I have opened ports 9000-10999 and 5060-5063 between the IP Phones and the PBX and two way audio is working fine. When I attempt to use the *777 echo test, I have noticed that the...
  11. ronenba

    V20 issue with changing sip trunk + Voip.ms

    started to have metal quality calls: 1. run updates to the PBX 2. restart the PBX 3. router on the customer network 4. test the internet speed 5. change on voip.ms the server address for the sip, when changing on 3cx getting busy for incoming calls, and any other server from the one we set up...

  12. v20 Weird issue with mobile app (PBX delivers audio is workaround)

    Hello, we upgraded to v20 and have a strange issue lately. I'm not sure if it started with the latest update to Update 2 (Build 715) or if it was there on the initial v20 build. Outgoing calls to any external number via our SIP trunk originating from the 3cx mobile app (both Apple and Android...
  13. jimbo59

    Solved Changing IPs

    I had to change a block of IP addresses and it should have gone smoothly but I ran into the strangest problem. I switched the addresses from Comcast, modified the router/firewall, and told Flowroute where to trust me. Picked up the phone and was able to call myself Friday night. Monday morning...
    • jimbo59
    • Thread
    • changed ip address firewall flowroute sip trunks
    • Replies: 3
    • Forum: Other

  14. Telnyx IP changes

    we received an email that Telnyx is changing a SIP ip range. with 3cx hosted was this change taken care of or is it something we need to be concerned with ? i know we can't make network changes on hosted by 3cx right?
    • acns
    • Thread
    • sip
    • Replies: 3
    • Forum: US
  15. krossh

    V20 3CX Not Responding to 183 Session Progress

    We recently upgraded some of our versions to V20 as the deadline is coming around next month. Has anyone else had any issues with 183 early media? Extension Dials (XXX) XXX-XXXX as 10 digit, This being a LD call should be dialed as 11. ---------V20---------- -Send SIP 183 Session Progress to...
    • krossh
    • Thread
    • 183 183 session progress sip
    • Replies: 1
    • Forum: Other
  16. DatawiseSolutions

    Solved Calls don't connect unless number is in contacts.

    When I use the soft phone to call my cell it doesn't ring unless the DID from 3CX is in my cell contacts. It will go straight to voicemail on my cell. If the DID is in my cell contacts then the call goes through. It actually shows as incoming on my cell. Also it takes a while to connect. It...

  17. Limiting Public Access to on-prem Server?

    On-Prem server with a NAT'd IP, is there a list of public IP's we can limit access into 3CX by chance? We are seeing quite a few SIPVicious intrusions and was wondering if possible to limit access into the 3CX IP on-prem would help? Thanks
  18. DatawiseSolutions

    Skyetel 3CX Free Edition

    Any idea why Skyetel isn't supported by 3CX Free and SMB? Is there a way to configure Skyetel manually so it will work?
  19. DatawiseSolutions

    April 2024 Recommended SIP Providers

    Who is everyone using for SIP providers now? I was looking at Bandwidth.com but they have a 2-year contract and $5,000/Month minimum commitment. Then I looked at Flowroute but they require $20/Month minimum commitment (from what I read from others; it might be higher now). Then I looked at...

  20. On-Prem Topology Idea - Questions Utilizing SD-WAN and On-Prem SIP

    Hello everyone! We are a small IT department relatively new to 3CX and are trying to learn the system as best we can before we have a conversation soon with a local 3CX partner. If its okay, I would like to run our concept by you guys to see if we are on the right track with our thinking. Phones...
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