Interconnection Guides
This guide is to help you connect your existing IP-PBX and Softswitches to your Zentrunk SIP Trunks. Start by choosing your current phone configuration, and the linked guide will provide you with a detailed step-by-step tutorial on how to configure your Zentrunk SIP trunk to work with your existing infrastructure and start making and receiving calls.
| Vendor | Type | Supported | Guide |
|---|---|---|---|
| FreeSwitch | Softswitch | Yes | Zentrunk & Freeswitch |
| Asterisk | IP-PBX | Yes | Zentrunk & Asterisk |
| Free PBX | IP-PBX | Yes | Zentrunk & FreePBX |
| 3CX | IP-PBX | Yes | Zentrunk & 3CX |
| FusionPBX | IP-PBX | Yes | Zentrunk & Fusion PBX |
| Twilio | VoIP provider | Yes | Twilio BYOC Twilio BYON |
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