view mgw/dtmf_defs.h @ 153:99fd4ae573ae

sip-in: split mncc_sig_out.c from mncc_handle.c
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 11 Oct 2022 16:23:44 -0800
parents 815e4c59162e
children 4b35a5a400f1
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/*
 * This header file holds various internal definitions for DTMF generation,
 * including key tunable settings of min and max DTMF duration.
 */

#define	DTMF_MIN_FRAMES		10	/* 200 ms */
#define	DTMF_MAX_FRAMES		60	/* 1200 ms */

struct dtmf_desc {
	int	digit;
	float	freq_low;
	float	freq_high;
	int16_t	*samples;
};