_SToneDetectEventParams Struct Reference

#include <vapi.h>

List of all members.

Public Attributes
CONNID	ConId
U16	usDetectedTone
U16	usPpowerLevel
U32	uTimestamp

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Detailed Description

Tone Detection Event Parameters

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Member Data Documentation

CONNID _SToneDetectEventParams::ConId

Connection ID

U16 _SToneDetectEventParams::usDetectedTone

0x00: DTMF digit 0 start detected
0x01: DTMF digit 1 start detected
0x02: DTMF digit 2 start detected
0x03: DTMF digit 3 start detected
0x04: DTMF digit 4 start detected
0x05: DTMF digit 5 start detected
0x06: DTMF digit 6 start detected
0x07: DTMF digit 7 start detected
0x08: DTMF digit 8 start detected
0x09: DTMF digit 9 start detected
0x0A: DTMF digit * start detected
0x0B: DTMF digit # start detected
0x0C: DTMF digit A start detected
0x0D: DTMF digit B start detected
0x0E: DTMF digit C start detected
0x0F: DTMF digit D start detected
0x10: V.25 answer tone w/o phase reversals detected
0x11: V.25 answer tone with phase reversals
0x20: T.30 CNG start detected (fax calling tone)
0x22: V.21 flags detected (fax without answer tone)
0x30: Call Progress Tone detected
0x31: Inactivity Timeout detected
0x41: Fax CNG tone with correct cadence detected
0x42: End of fax CNG sequence
0x43: Special Information Tone / No Circuit Tone detected
0x50: SS7/COT tone detected
0x70: EARLY_CAS_DET
0x71: CAS_DET
0xFF: End of tone detected

U16 _SToneDetectEventParams::usPpowerLevel

a value between 0 and 46 dBov in units of 0.1.
1 dBov, giving a parameter range of 0 to 460.

U32 _SToneDetectEventParams::uTimestamp

Timestamp units increment at the PCM sampling rate of 8 kHz

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The documentation for this struct was generated from the following file:

• vapi.h