Billion BiPAC 7404V series User Manual page 128

Prefix Processing:
Prepend xxx unconditionally: xxx number is appended unconditionally to the front of the
dialing number when making a call.
If Prefix is xxx, delete it: Prefix xxx is removed from the dialing numbers before making a call.
If Prefix is xxx, replace with: Prefix xxx is appended to the front of the dialing numbers when
making a call.
No prefix: No prefix is appended to the front of the dialing numbers. It is set as in default settings.
Main Digit Sequence:
x: Any numeric number between 0 and 9.
. ( period ): Repeat numeric number(s) between 0 and 9.
Appendix A: Product Support and Contact Information
VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
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