Draytek Vigor2830 Series User Manual page 252

D D i i g g i i t t M M
For the convenience of user, this page allows users to edit prefix number for the SIP account
with adding number, stripping number or replacing number. It is used to help user having a
quick and easy way to dial out through VoIP interface.
Enable
Match Prefix
Mode
Vigor2830 Series User's Guide
Note: If the incoming or outgoing calls do not match any
entry on the phonebook, the router will try to make the call
"being protected". But, if the call ends up "unprotected"(e.g.
peer side does not support ZRTP+SRTP), the router will not
play out a warning message.
a a p p
Check this box to invoke this setting.
It is used to match with the number you dialed and can be
modified with the OP Number by the mode (add, strip or
replace).
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 prefix number of 03 will be
replaced by 8863. For example: dial number of "031111111"
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