User's Manual

4-/8-/16-/24-/32-Port SIP Internet Telephony Gateway
44
3.8.5 Digit Map
Figure 3.10-5 Digit Map
Digit Map Syntax
Supported
objects
Digit 0-9
T Timer
DTMF A digit, a timer, or one of the symbols of A, B, C, D, #, or *.
Range [] One or more DTMF symbols enclosed in the [], but only one DTMF
symbol can be selected.
Range () One or more expressions enclosed the
(), but only one can be selected.
Separator | Separated expressions or DTMF symbols.
Subrange - Two digits separated by hyphen (-) which matches any digit between a
nd
including the two.
Wildcard x Matches any digit of 0 to 9
Modifiers . Matches 0 or more times of the preceding element
Modifiers ? Matches 0 or 1 times of the preceding element
Examples:
(13 | 15 | 18)xxxxxxxxx Matches the phone numbers with stating digits as 13, 15 or 18 and the
left nine digits as any of 0 to 9.