Welltech SIPPBX 6200 V.3.1.0 - Manual (Page 61)

Welltech Computer Co., Ltd.
SIPPBX 6200S/GS Release 3.1.0 User Guide - 61 -
Start Path: Service > NAT Group
Figure 5.6-1
Detail:
Figure 5.6-2
Parameter Description:
• IP Address: public IP address on NAT
• Sub-mask:
network mask
DNIS Screening Group
DNIS screen group can be used to limit the called prefix. First you will
need create the screening group and assigned it for the office as the general
screening filter.
Notes: It is valid only when Toll Restriction is disabled .
Start Path: Service > DNIS Screening Group