GVP MCP:mpc:cpa-sit operatorintercept

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Published Option

cpa.sit_operatorintercept

Default Value: na_sit_operatorintercept
Valid Values: Any combination of: "na_ringback", "na_busy", "na_fastbusy", "na_sit_nocircuit", "na_sit_vacantcircuit", "na_sit_operatorintercept", "na_sit_reorder", "standard_fax", "tone1", "tone2", "tone3", "tone4", "tone5", "tone6", "tone7", "tone8", "tone9" and "tone10". Or "none".
Changes Take Effect: At start/restart

Specifies tones for CPA's SIT operator intercept pattern. Default tone value is builtin North American SIT operator intercept (NA SIT operator intercept). Value "Disable" disables SIT operator intercept detection. Valid tones include builtins and Custom tone 1 to Custom tone 10.

The builtin North American sit operator intercept has three segments. Each segment is defined as follows:
Segment 1: f1=874-955(Hz), f2=0-0(Hz), ontime=160-300(ms), offtime=0-60(ms)
Segment 2: f1=1310-1430(Hz), f2=0-0(Hz), ontime=160-300(ms), offtime=0-60(ms)
Segment 3: f1=1740-1850(Hz), f2=0-0(Hz), ontime=320-440(ms), offtime=0-100(ms)

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