SIP Trunks / VoIP Providers / Internet Telephony Service Providers (ITSP) are a convenient way to connect Yeastar phone system with virtual phone lines and Internet-based voice services (VoIP). Yeastar supports leading SIP Trunking Service Providers across the globe with in-depth testing. These ITSPs have passed the compatibility test with Yeastar P-Series PBX System, Cloud PBX, and S-Series VoIP PBX, and pre-configured templates are included in the Yeastar PBX management portal to make configuration easy and quick.
Select to view a list of Yeastar-certified SIP trunk providers in your country. If you want to become a supported SIP trunk provider (Yeastar ITSP partner), please apply here
