In this guide, we will show you how to register Telekom CompanyFlex Sip Trunk through TLS in P Cloud PBX
Yeastar P cloud PBX
1. Enable TLS and select TLS Connection Method with TLS V1.2, and then reboot the PBX to take its effect.
2. Then go to the SIP trunk page and configure it as below.
3. With TLS Telekom request using SRTP, and please enable the SRTP on the SIP trunk page.
4. Then configure the Outbound Caller ID and set the SIP Headers as below.