Interconnect Multiple S-Series VoIP PBXs

In this section, we introduce how to interconnect 3 Yeastar S-Series VoIP PBXs. The 3 PBXs are located in different places. You can connect more Yeastar S-Series IPPBXs in the same way.

After interconnecting the 3 PBXs:

  • Users in Branch A and Branch B can make internal calls.
  • Users in Branch A and the Headquarter can make internal calls.
  • Users in Branch B and the Headquarter can make internal calls.