Teams Direct Routing Cross Tenant Migration
Direct Routing – your own SBC with a PSTN Provider Best option as usual is the Direct Routing. Where I will focus on in this blog article. During migration, there might be other services using PSTN, like a PBX or even a Call Center. This is not part of this migration consideration, but with the described migration approach, it is separated from the Teams migration. This will provide you with more flexibility than the other PSTN interaction possible in Teams. In general with any PSTN provider it is difficult or even impossible splitting PSTN number block along with your migration of users. Therefore another approach must be implemented. Additionally the described process also eliminates the need of additional SBCs in your environment and protects your investment. The idea and used method is called DUAL FORKING . Dual forking is the possibility addressing a call to multiple destinations. In our case we want this dual forking happening between two Microsoft M365 Tenants. ...