Welltech ePBX-100A-128 - Manual (Page 109)

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5.1.10 Traveler can call back to EXT, and Traveler can also call to local PSTN and
Mobile phone number
Step1: Create account for the Traveler
•
The Traveler has a business trip and she is using the customer’s network. Maybe she is under
“Private IP”. We should enable “NAT Traversal” for her. So that she can contact with the other
Extension and she can also use the routing table of ePBX-100A-128.
Step2: Set register account for Traveler
•
The Traveler may use a USB phone or Soft Phone to contact with the other Extensions. In the
Internet
ITSP
Traveler
EXT 110
EXT 101
EXT 102
22198888
0922367861
WAN IP: 61.218.41.183