User`s guide

ADSL/VoIP Gateway User’s Guide
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SIP Calling Digitmap is a regular expression string which
defines a pattern of digits which will be recognised by the
system as a valid phone number. The digit map can be used to
specify not only the number of digits required to make a valid
phone number but also the range of digits and special
characters which can be entered and timeout values after the
digits have been dialled. For example, here is an example of a
digit map:
([1-8]xxx|#xxxxxx|*xx)
This digit map defines a valid phone number as being one of
the following:
• Any digit between 1and 8 followed by any three numbers.
• A ‘#’ symbol followed by any six numbers
• A ‘*’ symbol followed by any two numbers
The Digitmap can also be extended to include special call
codes such as speed dialling or last number redial. An ‘S’ at the
end of a section of a digit map defines a special call code. For
example, in the digit map:
(xxxx|##S)
This digitmap defines a special call code such that if ‘##’ is
dialled the last number dialled from the phone will be redialled.
Other options are shown in Figure 98.
Figure 98: Special Dialling Codes
Another example is helpful to recognize digitmap