Welltech ePBX80 V.1.1 - Manual (Page 108)

Welltech Technology Co., Ltd. 108
5.2 Application of multiple ePBX80
There are two ePBX80 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.
5.2.1 Connect multiple ePBX80 and call extensions between them
Case 1. Call extensions each other
Step1: Set up ePBX80 Realm
 Set up IP-PBX Realm at HQ.