Nat group, Roup – Welltech SIPPBX 6200 V.3.1.0 User Manual
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Welltech Computer Co., Ltd.
 
 
SIPPBX 6200S/GS Release 3.1.0 User Guide
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Figure 5.5-1
Parameter Description: 
• Group ID: RTP Server Group ID 
• Description: 
Description
Click the Detail button:
Figure 5.5-2
Parameter Description: 
User ID: Subscriber ID for RTP server (Device type=RTP server) 
Priority: The RTP Server priority 
After define the installed RTP resource server, you can set the preferred
RTP proxy server, in subscriber menu, to be used. If the preferred RTP server 
is out of order, SIPPBX 6200 will use internal or other RTP resource severs. 
NAT Group
NAT group can be used for enterprise user. When two subscribers have
same NAT group defined, SIPPBX 6200 will not use NAT Proxying when both 
subscriber have same NAT group. You have to define NAT group definition by 
detail, or same IP address detect policy will be used. It is useful when your 
branch office has multiple IP address on their NAT server. By setting it, those 
calls in branch office will route voice in their LAN directly.