sip trunk

  1. One-way audio after latest update

    We are on version 20 for sometime now and have 3 sip-trunks configured in 3CX. After the update to Version 20.0 Update 9, one of the sip-trunks started having only one-way audio (audio from 3CX is transmitted to PSTN, audio from PSTN is not transmitted to 3CX extensions). There were no changes...
    • YP@R2K
    • Thread
    • sip trunk
    • Replies: 15
    • Forum: 4SC

  2. Im looking for USA CLI sip trunking long term busiess telegram @temp0050

    please connect me on telegram @temp0050 username we are looking for usa cli sip trunking long term business

  3. SIP Trunk - Cannot make Outgoing call

    Hello I have SIP Trunk which is IP based authentication. Any extension, even I as system owener/Admin not able to make outgoing calls using this trunk. Attached are all the screenshots of Trunk setting, Route settings, user settings. Logs keep saying 'reason rejected + no_access', reason...

  4. Caller Number/Name Field Mapping in V20

    In v18 of 3CX there was a function to modify the SIP header of the invitation for incoming calls, but I am not finding this same function in V20. Is it still possible to make these changes? If so, where is it done?

  5. no voicemail - incoming trunk calls

    We have 3CX Cloud hosted plan with desk phones registered behind an SBC on same network. internal and external calls work correctly the only issue is that there is no voicemail when receiving a missed or a non answered incoming call from the SIP trunk, instead I get a busy tone after the ring...
  6. zeeb

    can't add or edit DIDs

    since the latest update to Version 20.0 Update 2 (Build 715 Release) i'm unable to save my changes on the DID settings page on one of our 3cx systems. it's impossible to edit an existing entry or add a new DID. The Save button changes from light to dark blue, but doesn't react to clicks. any...

  7. Frequent disconnection from SIP Trunk [Cause: Cause: 408 Request Timeout/REGISTER from local]

    For the last few days i have been getting frequent disconnections of the SIP trunk resulting in calls being dropped and delay to come back. I use 3cx hosted instance with a supported SIP provider, Modulus in Greece. I have already contacted them and they cannot see any issues from their end. I...
    • Zisis
    • Thread
    • disconnect dns error sip trunk unregistered
    • Replies: 8
    • Forum: Other

  8. SIP Trunk TLS to an AudioCodes SBC (3CX v20)

    Hello, I was able to configure a SIP Trunk between a 3CX v18 and an SBC AudioCodes Mediant 800B with TLS and SRTP. To be able to have TLS activated and working, I had to deselect the option "Enable PCI compliance SSL/SecureSIP Transport and Ciphers ..." under "Security\Anti-Hacking". This...
    • Alain.R.
    • Thread
    • antihacking pci compliance sip trunk tls
    • Replies: 9
    • Forum: Other

  9. Unable te open sip trunk settings after V20 upgrade

    Hello, On 3cx V18 we've added an belgian SIP trunk called Intellinet, they were an supported provider with an template already added. After the upgrade to V20 the template seems to be gone and we cannot edit the sip trunk anymore. We are getting an 404 in the browser...

  10. Solved Cosmote - 3CX - debian V.20

    Hello. could someone please post a step by step how to setup properly a trunk for COSMOTE greece a head number and all MSN? I need to convert my ISDN like which now connects via oxygen router to a PATTON gateway directly to 3CX due to issues of compatibility. many thanks
  11. ronenba

    setup sip trunk to group of extensions

    Hi I have 2 sip lines coming to the hosted 3cx 1 sip line is being used by extensions 200-299 with caller ID aaaaaa (example) the second sip is being used by 500-599 with caller id bbbbb (example) I setup outgoing rules to allow only extensions 200-299 and a second one for 500-599 when...

  12. CFD Makecall works poorly due to the prefixes requested by the provider

    Good morning 3CX team, We have a project with a client with a simple outgoing dialer, he consults a database and depending on it makes a call connecting to an extension and an external number, he tries to call the external number first and then the extension. The problem we have is that even...

  13. Not able to do outgoing calls. 403 forbidden

    Hi, We have recently bought 2 new numbers from Twilio and added them to our server. After adding them to the sip truck we were able to get incoming calls but we could not make any calls. We had added a Twilio number before and that sip trunk is working fine. We asked Twilio support and they said...
    • Nobi0987
    • Thread
    • 403 forbidden sip trunk
    • Replies: 3
    • Forum: US

  14. Outgoing international Calls

    I'm having trouble making international outgoing calls. Local calling (Singapore) is fine but calling any international number will cause the line not to go through. I'm currently on 3CX free tier with SIP trunk provider Cal4Care. Asking the support from my SIP trunk provider proved to be...
    • bobbyseik
    • Thread
    • international call sip trunk
    • Replies: 5
    • Forum: Other

  15. Connect Azure Hosted 3CX to UAE Based SIP Trunk - What Device?

    Hello, I am looking for some advice on what device needs to be purchased to connect our 3CX cloud PBX to a SIP trunk provided by UAE based telecoms provider in our office. I am aware that there are no 'supported' providers in the UAE, however due to compliance regulations, we are bound to use...
    • Niall-T
    • Thread
    • azure sip trunk uae
    • Replies: 1
    • Forum: Other

  16. V20 release - Management Console

    Hello, With the upconing release of V20 will the existing Management console be completely retired? In my situation I have several tenants using a SIP provider which is no longer officially supported. In order to make changes to these tenant's SIP trunk I currently use the Management console...
    • DDITD
    • Thread
    • admin console management console sip trunk sip trunk configuration v20
    • Replies: 4
    • Forum: Phone System / PBX
  17. blancers

    All inbound calls going to a particular extension

    Hello everyone, I am facing a strange issue. I have 4 SIP trunks and forwarded the inbound calls of those four trunks to 4 separate extensions. But all inbound calls are going to the specific extension. For example, 1000 is the System Owner extension. 6001, 6002 & 6003 are 3 users. And I have...
    • blancers
    • Thread
    • 3cx call forwarding call routing sip trunk
    • Replies: 2
    • Forum: Other
  18. Clark-Ritchotte

    Telnyx New Trunk Missing from Template List

    I had to re-build a clients Hosted instance as they didn't pay for it in time, and now when we go to build out the trunks we can't find Telnyx as a trunk template under US or worldwide, where did they move it to?
    • Clark-Ritchotte
    • Thread
    • sip trunk telnyx telnyx sms
    • Replies: 6
    • Forum: US

  19. Second SIP Trunk for Branch Calls

    I have a client with multiple "branches". The main company uses Trunk 1. Then one department decided they needed to have separate Caller ID from the rest of the company. We got them a second Trunk that has two DIDs, but I'm having issues getting it to do what they want it to do. 1. On their...

  20. setup voip.ms on 3cx cloud

    when setting up a new trunk, try to use voip.ms seems it is not on the list the options on the list to choose from are (country Canada): Skytel, Voxtelesys, CallCentric, and Wavix is there a way to setup a new trunk from other providers? how to setup voip.ms sip trunk on cloud 3cx?
    • ronba
    • Thread
    • sip trunk voip.ms
    • Replies: 2
    • Forum: Other
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