Vodafone Deutschland – SIP Trunk

Vodafone Deutschland - SIP Trunk has passed the interop with 3CX

Wiretap Telecom

USA SIP Trunk Provider Wiretap Telecom has passed the 3CX interop test

French SIP Trunk Provider Colt integrates with 3CX

French SIP Trunk provider Colt has passed the interop with 3CX

OpenCNAM Server Side Integration

OpenCNAM CRM Integration with 3CX PBX

Intertel – SIP Trunking

Configure Belgian SIP Trunk Provider Intertel with 3CX

NetSIP – SIP Trunk

Configure Australian SIP Trunk provider, NetSIP with 3CX

VoiceMeUp – SIP Trunk

VoiceMeUp Canada SIP Trunk Provider

Voxtelesys – SIP Trunk

Voxtelesys US SIP Trunk Provider

SIPBase-Reventix – SIP Trunk

reventix German SIP Trunk Provider Setup Document

NASK SA SIP Trunk

NASK SA is a Polish SIP Trunk Provider which is now supported by 3CX