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 |