sip

  1. Initial setup help/guide

    I'm relatively new to SIP/VoIP. I work for a company that uses tactical radios that are SIP capable. My plan is to host a local SIP server on a LAN to allow calling between radios and VoIP phones. That part is easy although I've not done it with 3CX yet (used Asterisk and Mizu PBX in the past)...

  2. Custom Url opening from custom sip-header

    Hi, I need to be able to open an url on a call based on information from a custom header from a sip-call. The url has a fixed part, something like "https://www.example.com/" + the information from the sip-call header + "/view". Does 3cx even allow custom sip-call header and if 3cx gets these...
    • Tahsin Kara
    • Thread
    • crm sip sip-header url
    • Replies: 1
    • Forum: Other

  3. Eve Networks

    Our SIPP provider for our PBX is EVE networks, on V20 I can no longer add/configure our trunk - has 3CX just decided to stop supporting this SIP provider?
    • chrisjako
    • Thread
    • sip
    • Replies: 4
    • Forum: UK
  4. 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...

  5. Malformed SIP request received

    Hello, When we look at the 'Activity Logs' in our 3cx on-prem Windows instance, I am seeing all the REGISTER requests marked as "Malformed SIP request" (see attached screenshot). Could someone please tell me specifically what is wrong with this packet? What does 3cx not like in the request? What...

  6. Strange One Way Audio Issue

    We have been having a really weird and specific issue that I have not been able to figure out. The phones in our office are 3CX, its an on-premise system, running on Debian. We use sip.us for the provider. We have a client who is also on 3CX on Debian, and they're using Voxtelesys. When we...

  7. 3cx to grandstream

    Hello, how i can make a sip trunk between 3cx and grandstream? the fxo line is on grandstream and some users is on it so need to make the users on 3cx can use the fxo lines on grandstream and can contact the users that is on grandstream. thanks.

  8. 3CX SMS thru SIP - Questions

    This is most likely a very silly question but all of the current documentation for setting up SMS through an existing SIP provider is outdated, at least that I can see. When setting up SMS on the webclient, after selecting my provider and navigating to SMS, it asks for the following information...
    • Walnut
    • Thread
    • sip sms issue
    • Replies: 3
    • Forum: SMS

  9. Free SIP Trunk?

    Hello, Is there a Free SIP Trunk for testing purpose only? and if there is how can i do it? Thank you,

  10. Reporting on Calls that cant make the system

    We have a customer who I believe needs to increase their licencing. Currently 2 systems a master and a slave and both have 8 SC with 6 SIP Trunks. Is there a way to report on the number of calls that cannot connect inbound or outbound due to limits being reached? Am I also correct in thinking...

  11. Solved Aussie Broadband | Configuring Sip Trunks

    Posting here as this was a headache to figure out! Make sure you have the SIP email from Aussie Broadband with the following details IP Server - nms1.voice.wide.net.au SIP Domain SIP Trunk Username SIP Trunk Password Configure as follows. Set up as Generic Sip Trunk...
    • csale
    • Thread
    • aussie broadband pbx sip
    • Replies: 4
    • Forum: AU

  12. Unregister Etisalat SIP Trunk / UAE With 3CX

    Hello all, My telecome provider etisalat / UAE has installed a sip trunk in my office. i use 3CX. the trunk works perfectly with xlite however i cant seem to be able to register using 3CX these are the settings for xlite. User ID: +9714XXXXXXX Password: Password Domain Name: YYYY.etisalat.ae...

  13. Airtel India Sip Trunk configuration

    I am new to 3CX. Need to configure Airtel India SIP trunk with 3CX hosted locally on my VM. Any help is appreciated.
    • skecloud
    • Thread
    • airtel india sip sip trunk configuration
    • Replies: 2
    • Forum: Other

  14. Intermittent Outbound Calls Get Setup, Most Do Not

    Hello, We have been up and running in our environment with no issues when placing outbound calls for about three weeks. Today we've been experiencing a situation where when an outbound (to SIP trunk) call is placed and fails most of time, but completes sometimes. There is no pattern, sometimes...

  15. 403 Forbidden to carrier after 3CX failed attempt to forward inbound call

    Hello, I have an Inbound rule that forwards inbound calls to an external number. When the external number refuses to take the call (603 Decline received by 3CX), 3CX then sends a 403 Forbidden to the initial inbound call leg. Do you know if we can change this behaviour ? Can we send a Busy...

  16. 3CX and Amazon Chime

    I initially had the free year of hosting of 3CX paired with Amazon Chime Voice Connector. After that year lapsed, I stopped using the system. Yesterday I ordered the Hosted 3CX Pro (18.0), and tried to connect back to Amazon Chime, but cannot find the "generic" option. Is Amazon Chime still...

  17. Registration and media issues with overlapping subnets between sites

    Similar to a regular trunk, is it possible to manually set the SIP contact and SDP connection fields for a gateway trunk? In fact, was able to set the SIP contact in the outbound parameters but can’t find where and how to update the SDP connection field for a gateway trunk, ie: Patton...
  18. abdallahessam

    SIP Registration Failed

    Dears, I need to setup sip trunk between my 3cx server and grandstream GXW4501 but it always being "rejected" what's the correct credentials should I use in 3cx and grandstream to make authentication correct
    • abdallahessam
    • Thread
    • failed authentication sip trunk
    • Replies: 0
    • Forum: Other

  19. Third-Party SIP Trunks not listed

    Am I missing something? I recently setup a self-managed pro version of 3CX on my AWS account, but when I go to setup the trunk it does not list voice connector as an option. I saw others mention something about third party sip trunks in the list but I don't even have that option.

  20. SIP registration to different servers

    Hello. I try to setup NOVA Greek Provider and they give me very specific specs. ex they have a signaling server (ip address) and a different Media Server (RTP) how can I separate the two different server registration?
    • epilyssis
    • Thread
    • greece nova sip
    • Replies: 3
    • Forum: Other
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