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Fix DTMF detection from called end 

Now DTMF detection called end. Imagine Paypal calls you and asks you to
enter digits. The routing script can then enable dtmf detection on the
called end (after answer) and forward digits via telephone events.
This commit is contained in:
Andreas Eversberg 2024-02-01 19:03:42 +01:00
parent 5b96cf935b
commit 4cf88b8ce8
1 changed files with 9 additions and 1 deletions
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10
src/router/audio.c
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@ -73,7 +73,11 @@
* | |buffer |<-clock
* | +-------+
* | /|\
* | |
* | | +------+
* | | \| |
* | |---| DTMF |
* | | /| |
* | | +------+
* \|/ |
* +-------+ +-------+
* |samples| |int to |
@ -203,6 +207,10 @@ void receive_terminator(struct osmo_cc_session_codec *codec, uint8_t __attribute
/* convert int16 to samples */
int16_to_samples_speech(samples, (int16_t *)data, len);
/* dtmf decoding */
if (relation->dtmf_dec_enable)
dtmf_decode(&relation->dtmf_dec, samples, len);
/* store to terminator jitter buffer */
jitter_save(&call->term_dejitter, samples, len, 1, sequence, timestamp, ssrc);
}