Voice API Programming Guide — June 2005 165
Global Tone Detection and Generation, and Cadenced Tone Generation
Table20. TN_GENCAD Definitions for Standard PBX Call Progress SignalsSIGNAL_ID
Cycle Definition Segment Definitions
Number
of
Cycles1
Number of
Segments
in Cycle
Frequency
#1 (Hz)
Frequency
#2 (Hz)
Amplitude
#1 (dB)
Amplitude
#2 (dB)
On-
Time2
(10
msec)
Off-
Time
(10
msec)
cycles numsegs tg_freq1 tg_freq2 tg_ampl1 tg_ampl2 tg_dur offtime
CP_DIAL
1 1 350 440 -17 - 17 -1 0
CP_REORDER
255 1 480 620 -21 -21 25 25
CP_BUSY
255 1 480 620 -21 -21 50 50
CP_RINGBACK1
255 1 440 480 -16 -16 100 300
CP_RINGBACK2
255 1 440 480 -16 -16 200 400
CP_RINGBACK1_CALLWAIT
255 2 440
440
480
0
-16
-16
-16
0
100
20
0
300
CP_RINGBACK2_CALLWAIT
255 2 440
440
480
0
-16
-16
-16
0
200
20
0
400
CP_RECALL_DIAL
1 4 350
350
350
350
440
440
440
440
-17
-17
-17
-17
-17
-17
-17
-17
10
10
10
-1
10
10
10
0
CP_INTERCEPT
255 2 440
620
0
0
-14
-14
0
0
25
25
0
0
CP_CALLWAIT1
1 2 440
440
0
0
-23
-23
0
0
20
20
1000
0
CP_CALLWAIT2
1 4 440
440
440
440
0
0
0
0
-23
-23
-23
-23
0
0
0
0
20
20
20
20
20
1000
20
0
1255 specifies an infinite number of cycles (cycles)
2-
1 specifies an infinite tone duration (tg_dur)