UC2000-VE/F/G GSM/CDMA/WCDMA VoIP Gateway User Manual
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Shenzhen Dinstar Co., Ltd.
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2. Range []
One or more DTMF symbols enclosed between square brackets ("[" and "]"), but only one
can be selected.
3. Range ()
One or more expressions enclosed between round brackets ("(" and ")"), but only one can
be selected.
4. Separator
|: Separated expressions or DTMF symbols.
5. Subrange
-: Two digits separated by hyphen ("-") which matches any digit between and including the
two. The subrange construct can only be used inside a range construct, i.e., between "[" and
"]".
6. Wildcard
x: matches any digit ("0" to "9").
7. Modifiers
.: Match 0 or more times.
8. Modifiers
+: Match 1 or more times.
9. Modifiers
?: Match 0 or 1 times.
Example:
Assume we have the following digit maps:
1. xxxxxxx | x11
and a current dial string of "41". Given the input "1" the current dial
string becomes "411". We have a partial match with "xxxxxxx", but a
complete match with "x11", and hence we send "411" to the Call Agent.