AudioCodes Mediant 3000, User Manual

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Version 6.6 375 Mediant 3000
User's Manual 25. Configuring DTMF and Dialing
25 Configuring DTMF and Dialing
The DTMF & Dialing page is used to configure parameters associated with dual-tone multi-
frequency (DTMF) and dialing. For a description of the parameters appearing on this page,
see 'Configuration Parameters Reference' on page
643 .

To configure the DTMF and dialing parameters:
1. Open the DTMF & Dialing page ( Configuration tab > VoIP menu > GW and IP to IP
submenu > DTMF & Supplementary submenu > DTMF & Dialing ).
Figure 25-1: DTMF & Dialing Page
2. Configure the parameters as required.
3. Click Submit to apply your changes.
4. To save the changes to flash memory, see 'Saving Configuration' on page 520 .
25.1 Dialing Plan Features
This section describes various dialing plan features supported by the device.
25.1.1 Digit Mapping
Digit map pattern rules are used for Tel-to-IP ISDN overlap dialing (by setting the
ISDNRxOverlap parameter to 1) to reduce the dialing period. For more information on digit
maps for ISDN overlapping, see ISDN Overlap Dialing on page
316 . The device collects
digits until a match is found in the user-defined digit pattern (e.g., for closed numbering
schemes). The device stops collecting digits and starts sending the digits (collected
number) when any one of the following scenarios occur:

Maximum number of digits is received. You can define (using the MaxDigits
parameter) the maximum number of collected destination number digits that can be
received from the Tel side by the device. When the number of collected digits reaches
the maximum (or a digit map pattern is matched), the device uses these digits for the
called destination number.

Inter-digit timeout expires (e.g., for open numbering schemes). This is defined using
the TimeBetweenDigits parameter. This is the time that the device waits between each
received digit. When this inter-digit timeout expires, the device uses the collected
digits to dial the called destination number.

Digit string (i.e., dialed number) matches one of the patterns defined in the digit map.
Digit map (pattern) rules are defined using the DigitMapping parameter. The digit map
pattern can contain up to 52 options (rules), each separated by a vertical bar ("|"). The