Interconnection Guides

Want to connect your existing IP PBX or softswitch to your Zentrunk SIP trunks? Find your current phone configuration in this table, then click on the linked guide to read a step-by-step tutorial on how to configure Zentrunk to work with your existing infrastructure so you can start making and receiving calls.

Vendor Type Supported Guide
FreeSwitch Softswitch Yes Zentrunk and Freeswitch
Asterisk IP PBX Yes Zentrunk and Asterisk
FreePBX IP PBX Yes Zentrunk and FreePBX
3CX IP PBX Yes Zentrunk and 3CX
FusionPBX IP PBX Yes Zentrunk and Fusion PBX
Twilio VoIP provider Yes Twilio BYOC
Twilio BYON