How to Configure Telekom CompanyFlex Sip Trunk in P series PBX – Yeastar Support
3CX mit Telekom Company Flex Pure - Arconda Systems AG
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