Welltech SIPPBX 6200 V.1.0 Quick Start - Manual (Page 4)

Welltech Computer Co., Ltd.
Voice Gateway Mode:
Voice Gateway Mode is the most popular way to deploy your IPPBX solution.
In this mode, SIPPBX will act as a SIP-aware NAT/Firewall server. There are 3
Ethernet ports will be used:
WAN Interface: Public IP address
LAN Interface: Private IP address
Enhanced Service Interface: Private IP address
The user seated in the private IP network including VPN users will register to
LAN interface. Branch office or traveler user will register to WAN interface.
SIPPBX will automatic detect the network status and do the NAT transversal
when needed.
PSTN
LAN
Voice Gateway Mode
WellGate 3804
WellGate 3504
SIPPBX 6200
Attendant Console
Soft Phone 362
Account=0
Extt:101 Extt:102 Extt:301 Extt:302
Extt:201 Extt:202
Extt:999
Extt:203
Account=1
LAN Interface
192.168.16.10
WAN Interface
211.32.3.5
WAN
Figure 1.2
SIPPBX 6200 Quick Guide – V1.0 - 4 -