SIP Trunk Setup: 3CX PBX

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1. Select "SIP Trunks"

2. Select + Add SIP Trunk

3. Select Voxtelesys

Select Country: US

Select Provider in your Country: Voxtelesys

Main Trunk No: Your Vox Number, see formatting below

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Voxtelesys supports National, E164 No Plus, and E164 calling formats for 3CX dialing, these can be adjusted in the Portal if you want to change your calling format.

National: 5558675309

E164 No Plus: 15558675309

E164: +15558675309

• E164 is required for SMS on 3CX

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4. Fill in Authentication with the information provided by Voxtelesys

Registrar/Server/Gateway Hostname or IP: 3cx.pstn.voxtelesys.net

Number of SIM Calls: Call limit with Voxtelesys

Type of Authentication: Register/Account Based

Authentication ID (aka SIP User ID): Provided by Voxtelesys

Authentication Password: Provided by Voxtelesys

• Note: Voxtelesys also supports IP authentication.

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If you need help configuring your trunk or inbound numbers check out the guides below! More Voxtelesys Portal Guides here!

For more 3CX Guides, click here!