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502 Voice API for Windows Operating Systems Library Reference — November 2003
DX_CAP — call progress analysis parameters
ca_time2frq
Time for 2nd Frequency. Minimum time for 2nd tone in an SIT to remain in bounds
Default: 0 Units: 10 msec
ca_mxtime2frq
Maximum Time for 2nd Frequency. Maximum allowable time for 2nd tone in an SIT to be
present
Default: 0 Units: 10 msec
ca_lower3frq
Lower Bound for 3rd Frequency. Lower bound for 3rd tone in an SIT
Default: 0 Units: Hz
ca_upper3frq
Upper Bound for 3rd Frequency. Upper bound for 3rd tone in an SIT
Default: 0 Units: Hz
ca_time3frq
Time for 3rd Frequency. Minimum time for 3rd tone in an SIT to remain in bounds
Default: 0 Units: 10 msec
ca_mxtime3frq
Maximum Time for 3rd Frequency. Maximum allowable time for 3rd tone in an SIT to be
present
Default: 0 Units: 10 msec
ca_dtn_pres
Dial Tone Present. Length of time that a dial tone must be continuously present (PerfectCall
CPA only)
Default: 100 Units: 10 msec
ca_dtn_npres
Dial Tone Not Present. Maximum length of time to wait before declaring dial tone failure
(PerfectCall CPA only)
Default: 300 Units: 10 msec
ca_dtn_deboff
Dial Tone Debounce. Maximum gap allowed in an otherwise continuous dial tone before it is
considered invalid (PerfectCall CPA only)
Default: 10 Units: 10 msec
ca_pamd_failtime
PAMD Fail Time. Maximum time to wait for positive answering machine detection or positive
voice detection after a cadence break (PerfectCall CPA only)
Default: 400 Units: 10 msec
ca_pamd_minring
Minimum PAMD Ring. Minimum allowable ring duration for positive answering machine
detection (PerfectCall CPA only)
Default: 190 Units: 10 msec
ca_pamd_spdval
PAMD Speed Value. Quick or full evaluation for PAMD detection