User's Manual 1038 Document #: LTRT-27045
Mediant 1000B Gateway & E-SBC
Parameter Description
configure voip > gateway dtmf-supp-
service dtmf-and-dialing > auto-dtmf-
mute
[DisableAutoDTMFMute]
Enables the automatic muting of DTMF digits when out-of-
band DTMF transmission is used.
 [0] = (Default) Automatic mute is used.
 [1] = No automatic mute of in-band DTMF.
When the parameter is set to 1, the DTMF transport type is
set according to the parameter DTMFTransportType and the
DTMF digits aren't muted if out-of-band DTMF mode is
selected (FirstTxDTMFOption set to 1, 2 or 3). This enables
the sending of DTMF digits in-band (transparent of RFC
2833) in addition to out-of-band DTMF messages.
Note: Usually this mode is not recommended.
Enable Digit Delivery to IP
configure voip > sip-definition settings
> digit-delivery-2ip
[EnableDigitDelivery2IP]
Enables the Digit Delivery feature whereby DTMF digits are
sent to the destination IP address after the Tel-to-IP call is
answered.
 [0] Disable (default).
 [1] Enable = Enable digit delivery to IP.
To enable this feature, modify the called number to include
at least one 'p' character. The device uses the digits before
the 'p' character in the initial INVITE message. After the call
is answered, the device waits for the required time (number
of 'p' multiplied by 1.5 seconds), and then sends the rest of
the DTMF digits using the method chosen (in-band or out-of-
band).
Note:
 For the parameter to take effect, a device reset is
required.
 The called number can include several 'p' characters (1.5
seconds pause), for example, 1001pp699, 8888p9p300.
Enable Digit Delivery to Tel
configure voip > sip-definition settings
> digit-delivery-2tel
[EnableDigitDelivery]
Global parameter enabling the Digit Delivery feature, which
sends DTMF digits of the called number to the device's port
(analog)/B-channel (digital) (phone line) after the call is
answered (i.e., line is off-hooked for FXS, or seized for FXO)
for IP-to-Tel calls.
You can also configure the functionality per specific calls,
using Tel Profiles (TelProfile_EnableDigitDelivery). For a
detailed description of the parameter and To configure the
functionality in the Tel Profiles table, see ''Configuring Tel
Profiles'' on page 428.
Note: If the functionality is configured for a specific Tel
Profile, the settings of the global parameter is ignored for
calls associated with the Tel Profile.
configure voip > sip-definition settings
> replace-nb-sign-w-esc
[ReplaceNumberSignWithEscapeChar]
Determines whether to replace the number sign (#) with the
escape character (%23) in outgoing SIP messages for Tel-
to-IP calls.
 [0] Disable (default).
 [1] Enable = All number signs #, received in the dialed
DTMF digits are replaced in the outgoing SIP Request-
URI and To headers with the escape sign %23.
Note:
 The parameter is applicable only if the parameter
IsSpecialDigits is set 1.
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