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.
VendorTypeSupportedGuide
FreeSwitchSoftswitchYesZentrunk and Freeswitch
AsteriskIP PBXYesZentrunk and Asterisk
FreePBXIP PBXYesZentrunk and FreePBX
3CXIP PBXYesZentrunk and 3CX
FusionPBXIP PBXYesZentrunk and Fusion PBX
TwilioVoIP providerYesTwilio BYOC
Twilio BYON