Learning Hub / Tutorials / 3CX / Add DID Numbers to a SIP Trunk (V20)FAQs
Tutorials: Add DID Numbers to a SIP Trunk (V20)
Learn how to add DID numbers to a SIP Trunk in Version 20! Keywords: SIP Trunk, 3CX, DID, Numbers, V20
Required Access: 3CX
Last Updated: 5/21/2025
Log in to your 3CX web client.
Important Note:
If you do not have access to the Admin section, please reach out to your 3CX administrator for access or to complete the requested changes.
If you do not have access to the Admin section, please reach out to your 3CX administrator for access or to complete the requested changes.
Navigate to the 3CX Admin Console located in the lower left corner of the web client.
From the Admin section select the "Voice & chat" tab.
Inside the Voice & chat section click on your Voxtelesys SIP Trunk or select "Edit Trunk" from the three dot icon.
Inside your Voxtelesys SIP Trunk navigate to the "DID Numbers" tab, to add more numbers/DIDs press the "+ Add" button.
Important Notes:
Numbers are required to be in E164 formatting (Example: +18888675309).
Numbers are required to be in E164 formatting (Example: +18888675309).
From the DID Numbers tab you can also assign the number to a user, group, call queue, or IVR.
Enter the DID number and click off the number box or select "+ Add" to add another number.
Be sure to "Save" when you are done adding and assigning your new DID numbers!
Learning Hub / Tutorials / 3CX / Add DID Numbers to a SIP Trunk (V20)FAQs
