Version 5.8 381 October 2009
SIP User's Manual 6. Configuration Parameters Reference
Parameter Description
[WinkTime]
Defines the time (in msec) elapsed between two consecutive polarity
reversals. This parameter can be used for DID signaling, for example,
E911 lines to the Public Safety Answering Point (PSAP), according to
the Bellcore GR-350-CORE standard (refer to the ini file parameter
Enable911PSAP).
The valid range is 0 to 4,294,967,295. The default is 200.
Notes:
 This parameter is applicable to both FXS and FXO interfaces.
 For this parameter to take effect, a device reset is required.
EMS: NTT DID Signalling
Form
[NTTDIDSignallingForm]
Determines the type of Direct Inward Dialing (DID) signaling support for
NTT (Japan) modem: DTMF- or Frequency Shift Keying (FSK)-based
signaling. The devices can be connected to Japan's NTT PBX using
'Modem' DID lines. These DID lines are used to deliver a called number
to the PBX.
 [0] = FSK-based signaling (default)
 [1] = DTMF-based signaling
Note: This parameter is applicable only to FXS interfaces.
EMS: Enable DID
[EnableDID]
This ini file table parameter enables support for Japan NTT 'Modem'
Direct Inward Dialing (DID). FXS interfaces can be connected to
Japan's NTT PBX using 'Modem' DID lines. These DID lines are used to
deliver a called number to the PBX. The DID signal can be sent alone or
combined with an NTT Caller ID signal.
The format of this parameter is as follows:
[EnableDID]
FORMAT EnableDID_Index = EnableDID_IsEnable, EnableDID_Port,
EnableDID_Module;
[\EnableDID]
Where,
 IsEnable = Enables [1] or disables [0] (default) Japan NTT Modem
DID support.
 Port = Port number.
 Module = Module number.
For example:
[EnableDID]
EnableDID 0 = 1,1,2; (DID is enabled on Port 1 of Module 2)
[\EnableDID]
Notes:
 This parameter is applicable only to FXS interfaces.
 For an explanation on using ini file table parameters, refer to
''Structure of ini File Table Parameters'' on page 273.
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