Welltech SIPPBX 6200 V.3.1.0 User Manual
Page 20
 
Welltech Computer Co., Ltd.
 
 
SIPPBX 6200S/GS Release 3.1.0 User Guide
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Figure 3.1-5
Parameter Description: 
• Voice Gateway: Enabling voice gateway feature, SIPPBX 6200 will be able 
to play the role as a NAT server to pass through SIP and voice call. Please 
refer to Voice Gateway Example for a configuration example. 
Note:
Enable Voice Gateway will require 2 Ethernet ports connected, one is for
WAN and another is for LAN (private network). It can play as a SIP-aware 
voice NAT router. User can either register to LAN interface or WAN 
interface. NAT transversal will be done automatically in between. 
Step 6:
Setup the corresponding network parameters.
Figure 3.1-6
Parameter Description:
WAN Interface 
• IP Address: The server IP address (WAN) 
• IP Netmask: The server IP netmask (WAN) 
• IP Gateway: The server default gateway