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4.20.13. PrmCNGCadenceSilence (CNG Silence)
Description: The PrmCNGCadenceSilence parameter is used to adjust the silence period between consecutive CNG tones so that the cadence mechanism will recognize the (CNG) tone signal as a fax calling tone (also known as an auto fax tone). Otherwise, an arbitrary 1100 Hz tone can trigger a fax transmission.
IPLink uses the cadence mechanism to determine if a tone is a fax tone or a DTMF tone, based on the signal's cadence. This mechanism can be adjusted using the PrmCEDCadence, PrmCNGCadenceMin, PrmCNGCadenceMax, and PrmCNGCadenceSilence parameters.
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