CHAPTER28 Configuring Supplementary Services
Mediant 1000 Gateway & E-SBC | User's Manual
â—† FirstTxDTMFOption = 4
â—† RFC2833PayloadType = 101
â– TimeToSampleAnalogLineVoltage = 100
â– WaitForDialTime = 1000 (default is 1 sec)
â– SetDefaultLinePolarityState = 0 (you need to verify that the RJ-11 two-wire cable is connected
without crossing, Tip to Tip, Ring to Ring. Typically, the Tip line is positive compared to the
Ring line.)
If the two-wire cable is crossed, the SetDefaultLinePolarityState parameter must be set
to 1.
The device expects to receive the ANI number in the From and/or P-Asserted-Identity SIP header.
If the pseudo-ANI number exists, it should be sent as the display name in these headers.
Table 28-2: Dialed Number by Device Depending on Calling Number
Digits of Calling
Number (ANI)
Digits of Displayed
Number
Number Dialed MF Digits
8
"nnnnnnnn"
- MF dialed "KPnnnnnnnnST"
12
"nnnnnnnnnnnn"
None "KPnnnnnnnnnnnnSTP"
12
"nnnnnnnnnnnn"
10
"mmmmmmmmmm"
(pANI)
"KPnnnnnnnnnnnnSTKPmmmmmmmmmmST"
2
"nn"
None "KPnnSTP"
1
"n"
- MF dialed "KPnST"
For example:
Table notes:
â– For all other cases, a SIP 484 response is sent.
â– KP is for .
â– ST is for #.
â– STP is for B.
The MF duration of all digits, except for the KP digit is 60 msec. The MF duration of the KP digit is
120 msec. The gap duration is 60 msec between any two MF digits.
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