Draytek Vigor2760 series User Manual page 294

OP Number
Min Len
Max Len
Route
Move UP /Move Down
After finishing all the settings here, please click OK to save the configuration.
Vigor2760 Series User's Guide
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" will be changed to "88631111111" and sent
to SIP server.
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.
Set the minimal length of the dial number for applying the
prefix number settings. Take the above picture (Prefix
Table Setup web page) as an example, if the dial number is
between 7 and 9, that number can apply the prefix number
settings here.
Set the maximum length of the dial number for applying the
prefix number settings.
Choose the one that you want to enable the prefix number
settings from the saved SIP accounts. Please set up one SIP
account first to make this interface available. This item will
be changed according to the port settings configured in
VoIP>> Phone Settings.
Click the link to move the selected entry up or down.
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