Draytek DUAL-WAN SECURITY ROUTER VIGOR2910 User Manual
Page 116
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Vigor2910 Series User’s Guide
112
Enable
Check this box to invoke this setting.
Prefix Number
The phone number set here is used to add, strip, or replace the
OP number.
Mode None - No action.
Add - When you choose this mode, the OP number will be
added with the prefix number for calling out through the
specific VoIP interface.
Strip - When you choose this mode, the OP number will be
deleted by the prefix number for calling out through the
specific VoIP interface. Take the above picture (Prefix Table
Setup web page) as an example, the OP number of 886 will be
deleted completely for the prefix number is set with 886.
Replace - When you choose this mode, the OP number will be
replaced by the prefix number for calling out through the
specific VoIP interface. Take the above picture (Prefix Table
Setup web page) as an example, the OP number of 8863 will
be replaced completely by 03 for the prefix number is set with
03.
OP Number
The front number you type here is the first part of the account
number that you want to execute special function (according
to the chosen mode) by using the prefix number.