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2 application of multiple epbx-100a-128 – Welltech ePBX-100A-128 User Manual

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5.2 Application of multiple ePBX-100A-128

There are two ePBX in two locations, one is in HQ and another is in Branch. We hope both companies

can call the extensions between each other. And we hope extensions in Branch can call PSTN via HQ.

Internet

ITSP

EXT 101

EXT 102

PSTN

EXT 401

HQ

Branch