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Howto:Deutsche Telekom Magenta Zuhause SIP Provider Compatibility Test - innovaphone-wiki
Recommended SIP Configuration for Deutsche Telekom – Yeastar Support
Yeastar - Here it comes! Deutsche Telekom CompanyFlex SIP-TrunK is now on Yeastar P-Series #PBX System #ITSP template, supported by all P-Series editions. Follow this configuration guide and log in to your
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