Version 6.2 749 February 2011
SIP User's Manual 12. Configuration Parameters Reference
Parameter Description
Web: Enable Digit Delivery to Tel
EMS: Enable Digit Delivery
[EnableDigitDelivery]
Enables 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.
[0] Disable = Disabled (default).
[1] Enable = Enable Digit Delivery feature for the FXO/FXS
device.
For digital interfaces: If the called number in IP-to-Tel call
includes the characters 'w' or 'p', the device places a call with
the first part of the called number (before 'w' or 'p') and plays
DTMF digits after the call is answered. If the character 'w' is
used, the device waits for detection of a dial tone before it
starts playing DTMF digits. For example, if the called number
is '1007766p100', the device places a call with 1007766 as the
destination number, then after the call is answered it waits 1.5
seconds ('p') and plays the rest of the number (100) as DTMF
digits.
Additional examples: 1664wpp102, 66644ppp503, and
7774w100pp200.
Notes:
For this parameter to take effect, a device reset is required.
For analog interfaces: The called number can include
characters 'p' (1.5 seconds pause) and 'd' (detection of dial
tone). If character 'd' is used, it must be the first 'digit' in the
called number. The character 'p' can be used several
times.
For example (for FXS/FXO interfaces), the called number
can be as follows: d1005, dpp699, p9p300. To add the 'd'
and 'p' digits, use the usual number manipulation rules.
For analog interfaces: To use this feature with FXO
interfaces, configure the device to operate in one-stage
dialing mode.
If this parameter is enabled, it is possible to configure the
FXS/FXO interface to wait for dial tone per destination
phone number (before or during dialing of destination
phone number). Therefore, the parameter
IsWaitForDialTone (configurable for the entire device) is
ignored.
For analog interfaces: The FXS interface send SIP 200 OK
responses only after the DTMF dialing is complete.
This parameter can also be configured per Tel Profile,
using the TelProfile parameter.
Web/EMS: RFC 2833 Payload Type
[RFC2833PayloadType]
The RFC 2833 DTMF relay dynamic payload type.
The valid range is 96 to 99, and 106 to 127. The default is 96.
The 100, 102 to 105 range is allocated for proprietary usage.
Notes:
Certain vendors (e.g., Cisco) use payload type 101 for RFC
2833.
When RFC 2833 payload type negotiation is used (i.e., the
parameter TxDTMFOption is set to 4), this payload type is
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