How to register Telekom CompanyFlex Sip Trunk through TLS in P Cloud PBX – Yeastar Support
Admin Guide
Recommended SIP Configuration for Deutsche Telekom – Yeastar Support
Yeastar on Twitter: "Good news for partners & users in the DACH: Deutsche Telekom CompanyFlex SIP-TrunK is now fully compatible with Yeastar S-Series #VoIP #PBX. View the seamless #ITSP configuration guide: https://t.co/VDyHjavnYT