diff --git a/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp b/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp
index 3a50c82f0d..b763502fa8 100644
--- a/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp
+++ b/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp
@@ -2480,348 +2480,6 @@ int gsmopen_senddigit(private_t *tech_pvt, char digit)
 	return 0;
 }
 
-#ifdef GSMOPEN_ALSA
-/*! \brief Write audio frames to interface */
-int alsa_write(private_t *tech_pvt, short *data, int datalen)
-{
-	static char sizbuf[8000];
-	static char sizbuf2[16000];
-	static char silencebuf[8000];
-	static int sizpos = 0;
-	int len = sizpos;
-	int pos;
-	int res = 0;
-	time_t now_timestamp;
-	/* size_t frames = 0; */
-	snd_pcm_state_t state;
-	snd_pcm_sframes_t delayp1 = 0;
-	snd_pcm_sframes_t delayp2 = 0;
-
-	if (tech_pvt->no_sound == 1) {
-		return res;
-	}
-
-	memset(sizbuf, 255, sizeof(sizbuf));
-	memset(sizbuf2, 255, sizeof(sizbuf));
-	memset(silencebuf, 255, sizeof(sizbuf));
-
-	//ERRORA("data=%p, datalen=%d\n", GSMOPEN_P_LOG, (void *)data, datalen);
-	/* We have to digest the frame in 160-byte portions */
-	if (datalen > sizeof(sizbuf) - sizpos) {
-		ERRORA("Frame too large\n", GSMOPEN_P_LOG);
-		res = -1;
-	} else {
-		memcpy(sizbuf + sizpos, data, datalen);
-		memset(data, 255, datalen);
-		len += datalen;
-		pos = 0;
-
-#ifdef ALSA_MONITOR
-		alsa_monitor_write(sizbuf, len);
-#endif
-		state = snd_pcm_state(tech_pvt->alsap);
-		if (state == SND_PCM_STATE_XRUN) {
-			int i;
-
-			DEBUGA_GSMOPEN
-				("You've got an ALSA write XRUN in the past (gsmopen can't fill the soundcard buffer fast enough). If this happens often (not after silence or after a pause in the speech, that's OK), and appear to damage the sound quality, first check if you have some IRQ problem, maybe sharing the soundcard IRQ with a broken or heavy loaded ethernet or graphic card. Then consider to increase the alsa_periods_in_buffer (now is set to %d) for this interface in the config file\n",
-				 GSMOPEN_P_LOG, tech_pvt->alsa_periods_in_buffer);
-			res = snd_pcm_prepare(tech_pvt->alsap);
-			if (res) {
-				ERRORA("audio play prepare failed: %s\n", GSMOPEN_P_LOG, snd_strerror(res));
-			} else {
-				res = snd_pcm_format_set_silence(gsmopen_format, silencebuf, len / 2);
-				if (res < 0) {
-					DEBUGA_GSMOPEN("Silence error %s\n", GSMOPEN_P_LOG, snd_strerror(res));
-					res = -1;
-				}
-				for (i = 0; i < (tech_pvt->alsa_periods_in_buffer - 1); i++) {
-					res = snd_pcm_writei(tech_pvt->alsap, silencebuf, len / 2);
-					if (res != len / 2) {
-						DEBUGA_GSMOPEN("Write returned a different quantity: %d\n", GSMOPEN_P_LOG, res);
-						res = -1;
-					} else if (res < 0) {
-						DEBUGA_GSMOPEN("Write error %s\n", GSMOPEN_P_LOG, snd_strerror(res));
-						res = -1;
-					}
-				}
-			}
-
-		}
-
-		res = snd_pcm_delay(tech_pvt->alsap, &delayp1);
-		if (res < 0) {
-			DEBUGA_GSMOPEN("Error %d on snd_pcm_delay: \"%s\"\n", GSMOPEN_P_LOG, res, snd_strerror(res));
-			res = snd_pcm_prepare(tech_pvt->alsap);
-			if (res) {
-				DEBUGA_GSMOPEN("snd_pcm_prepare failed: '%s'\n", GSMOPEN_P_LOG, snd_strerror(res));
-			}
-			res = snd_pcm_delay(tech_pvt->alsap, &delayp1);
-		}
-
-		delayp2 = snd_pcm_avail_update(tech_pvt->alsap);
-		if (delayp2 < 0) {
-			DEBUGA_GSMOPEN("Error %d on snd_pcm_avail_update: \"%s\"\n", GSMOPEN_P_LOG, (int) delayp2, snd_strerror(delayp2));
-
-			res = snd_pcm_prepare(tech_pvt->alsap);
-			if (res) {
-				DEBUGA_GSMOPEN("snd_pcm_prepare failed: '%s'\n", GSMOPEN_P_LOG, snd_strerror(res));
-			}
-			delayp2 = snd_pcm_avail_update(tech_pvt->alsap);
-		}
-
-		if (					/* delayp1 != 0 && delayp1 != 160 */
-			   delayp1 < 160 || delayp2 > tech_pvt->alsa_buffer_size) {
-
-			res = snd_pcm_prepare(tech_pvt->alsap);
-			if (res) {
-				DEBUGA_GSMOPEN
-					("snd_pcm_prepare failed while trying to prevent an ALSA write XRUN: %s, delayp1=%d, delayp2=%d\n",
-					 GSMOPEN_P_LOG, snd_strerror(res), (int) delayp1, (int) delayp2);
-			} else {
-
-				int i;
-				for (i = 0; i < (tech_pvt->alsa_periods_in_buffer - 1); i++) {
-					res = snd_pcm_format_set_silence(gsmopen_format, silencebuf, len / 2);
-					if (res < 0) {
-						DEBUGA_GSMOPEN("Silence error %s\n", GSMOPEN_P_LOG, snd_strerror(res));
-						res = -1;
-					}
-					res = snd_pcm_writei(tech_pvt->alsap, silencebuf, len / 2);
-					if (res < 0) {
-						DEBUGA_GSMOPEN("Write error %s\n", GSMOPEN_P_LOG, snd_strerror(res));
-						res = -1;
-					} else if (res != len / 2) {
-						DEBUGA_GSMOPEN("Write returned a different quantity: %d\n", GSMOPEN_P_LOG, res);
-						res = -1;
-					}
-				}
-
-				DEBUGA_GSMOPEN
-					("PREVENTING an ALSA write XRUN (gsmopen can't fill the soundcard buffer fast enough). If this happens often (not after silence or after a pause in the speech, that's OK), and appear to damage the sound quality, first check if you have some IRQ problem, maybe sharing the soundcard IRQ with a broken or heavy loaded ethernet or graphic card. Then consider to increase the alsa_periods_in_buffer (now is set to %d) for this interface in the config file. delayp1=%d, delayp2=%d\n",
-					 GSMOPEN_P_LOG, tech_pvt->alsa_periods_in_buffer, (int) delayp1, (int) delayp2);
-			}
-
-		}
-
-		memset(sizbuf2, 0, sizeof(sizbuf2));
-		if (tech_pvt->alsa_play_is_mono) {
-			res = snd_pcm_writei(tech_pvt->alsap, sizbuf, len / 2);
-		} else {
-			int a = 0;
-			int i = 0;
-			for (i = 0; i < 8000;) {
-				sizbuf2[a] = sizbuf[i];
-				a++;
-				i++;
-				sizbuf2[a] = sizbuf[i];
-				a++;
-				i--;
-				sizbuf2[a] = sizbuf[i];	// comment out this line to use only left 
-				a++;
-				i++;
-				sizbuf2[a] = sizbuf[i];	// comment out this line to use only left
-				a++;
-				i++;
-			}
-			res = snd_pcm_writei(tech_pvt->alsap, sizbuf2, len);
-		}
-		if (res == -EPIPE) {
-			DEBUGA_GSMOPEN
-				("ALSA write EPIPE (XRUN) (gsmopen can't fill the soundcard buffer fast enough). If this happens often (not after silence or after a pause in the speech, that's OK), and appear to damage the sound quality, first check if you have some IRQ problem, maybe sharing the soundcard IRQ with a broken or heavy loaded ethernet or graphic card. Then consider to increase the alsa_periods_in_buffer (now is set to %d) for this interface in the config file. delayp1=%d, delayp2=%d\n",
-				 GSMOPEN_P_LOG, tech_pvt->alsa_periods_in_buffer, (int) delayp1, (int) delayp2);
-			res = snd_pcm_prepare(tech_pvt->alsap);
-			if (res) {
-				ERRORA("audio play prepare failed: %s\n", GSMOPEN_P_LOG, snd_strerror(res));
-			} else {
-
-				if (tech_pvt->alsa_play_is_mono) {
-					res = snd_pcm_writei(tech_pvt->alsap, sizbuf, len / 2);
-				} else {
-					int a = 0;
-					int i = 0;
-					for (i = 0; i < 8000;) {
-						sizbuf2[a] = sizbuf[i];
-						a++;
-						i++;
-						sizbuf2[a] = sizbuf[i];
-						a++;
-						i--;
-						sizbuf2[a] = sizbuf[i];
-						a++;
-						i++;
-						sizbuf2[a] = sizbuf[i];
-						a++;
-						i++;
-					}
-					res = snd_pcm_writei(tech_pvt->alsap, sizbuf2, len);
-				}
-
-			}
-
-		} else {
-			if (res == -ESTRPIPE) {
-				ERRORA("You've got some big problems\n", GSMOPEN_P_LOG);
-			} else if (res == -EAGAIN) {
-				DEBUGA_GSMOPEN("Momentarily busy\n", GSMOPEN_P_LOG);
-				res = 0;
-			} else if (res < 0) {
-				ERRORA("Error %d on audio write: \"%s\"\n", GSMOPEN_P_LOG, res, snd_strerror(res));
-			}
-		}
-	}
-
-	if (tech_pvt->audio_play_reset_period) {
-		time(&now_timestamp);
-		if ((now_timestamp - tech_pvt->audio_play_reset_timestamp) > tech_pvt->audio_play_reset_period) {
-			if (option_debug)
-				DEBUGA_GSMOPEN("reset audio play\n", GSMOPEN_P_LOG);
-			res = snd_pcm_wait(tech_pvt->alsap, 1000);
-			if (res < 0) {
-				ERRORA("audio play wait failed: %s\n", GSMOPEN_P_LOG, snd_strerror(res));
-			}
-			res = snd_pcm_drop(tech_pvt->alsap);
-			if (res) {
-				ERRORA("audio play drop failed: %s\n", GSMOPEN_P_LOG, snd_strerror(res));
-			}
-			res = snd_pcm_prepare(tech_pvt->alsap);
-			if (res) {
-				ERRORA("audio play prepare failed: %s\n", GSMOPEN_P_LOG, snd_strerror(res));
-			}
-			res = snd_pcm_wait(tech_pvt->alsap, 1000);
-			if (res < 0) {
-				ERRORA("audio play wait failed: %s\n", GSMOPEN_P_LOG, snd_strerror(res));
-			}
-			time(&tech_pvt->audio_play_reset_timestamp);
-		}
-	}
-	//res = 0;
-	//if (res > 0)
-	//res = 0;
-	return res;
-}
-
-#define AST_FRIENDLY_OFFSET 0
-int alsa_read(private_t *tech_pvt, short *data, int datalen)
-{
-	//static struct ast_frame f;
-	static short __buf[GSMOPEN_FRAME_SIZE + AST_FRIENDLY_OFFSET / 2];
-	static short __buf2[(GSMOPEN_FRAME_SIZE + AST_FRIENDLY_OFFSET / 2) * 2];
-	short *buf;
-	short *buf2;
-	static int readpos = 0;
-	//static int left = GSMOPEN_FRAME_SIZE;
-	static int left;
-	snd_pcm_state_t state;
-	int r = 0;
-	int off = 0;
-	int error = 0;
-	//time_t now_timestamp;
-
-	//DEBUGA_GSMOPEN("buf=%p, datalen=%d, left=%d\n", GSMOPEN_P_LOG, (void *)buf, datalen, left);
-	//memset(&f, 0, sizeof(struct ast_frame)); //giova
-
-	if (tech_pvt->no_sound == 1) {
-		return r;
-	}
-
-	left = datalen;
-
-	state = snd_pcm_state(tech_pvt->alsac);
-	if (state != SND_PCM_STATE_RUNNING) {
-		DEBUGA_GSMOPEN("ALSA read state is not SND_PCM_STATE_RUNNING\n", GSMOPEN_P_LOG);
-
-		if (state != SND_PCM_STATE_PREPARED) {
-			error = snd_pcm_prepare(tech_pvt->alsac);
-			if (error) {
-				ERRORA("snd_pcm_prepare failed, %s\n", GSMOPEN_P_LOG, snd_strerror(error));
-				return r;
-			}
-			DEBUGA_GSMOPEN("prepared!\n", GSMOPEN_P_LOG);
-		}
-		gsmopen_sleep(1000);
-		error = snd_pcm_start(tech_pvt->alsac);
-		if (error) {
-			ERRORA("snd_pcm_start failed, %s\n", GSMOPEN_P_LOG, snd_strerror(error));
-			return r;
-		}
-		DEBUGA_GSMOPEN("started!\n", GSMOPEN_P_LOG);
-		gsmopen_sleep(1000);
-	}
-
-	buf = __buf + AST_FRIENDLY_OFFSET / 2;
-	buf2 = __buf2 + ((AST_FRIENDLY_OFFSET / 2) * 2);
-
-	if (tech_pvt->alsa_capture_is_mono) {
-		r = snd_pcm_readi(tech_pvt->alsac, buf + readpos, left);
-		//DEBUGA_GSMOPEN("r=%d, buf=%p, buf+readpos=%p, datalen=%d, left=%d\n", GSMOPEN_P_LOG, r, (void *)buf, (void *)(buf + readpos), datalen, left);
-	} else {
-		int a = 0;
-		int i = 0;
-		r = snd_pcm_readi(tech_pvt->alsac, buf2 + (readpos * 2), left);
-
-		for (i = 0; i < (GSMOPEN_FRAME_SIZE + AST_FRIENDLY_OFFSET / 2) * 2;) {
-			__buf[a] = (__buf2[i] + __buf2[i + 1]) / 2;	//comment out this line to use only left
-			//__buf[a] = __buf2[i]; // enable this line to use only left
-			a++;
-			i++;
-			i++;
-		}
-	}
-
-	if (r == -EPIPE) {
-		DEBUGA_GSMOPEN("ALSA XRUN on read\n", GSMOPEN_P_LOG);
-		return r;
-	} else if (r == -ESTRPIPE) {
-		ERRORA("-ESTRPIPE\n", GSMOPEN_P_LOG);
-		return r;
-
-	} else if (r == -EAGAIN) {
-		int count = 0;
-		while (r == -EAGAIN) {
-			gsmopen_sleep(10000);
-			DEBUGA_GSMOPEN("%d ALSA read -EAGAIN, the soundcard is not ready to be read by gsmopen\n", GSMOPEN_P_LOG, count);
-			count++;
-
-			if (tech_pvt->alsa_capture_is_mono) {
-				r = snd_pcm_readi(tech_pvt->alsac, buf + readpos, left);
-			} else {
-				int a = 0;
-				int i = 0;
-				r = snd_pcm_readi(tech_pvt->alsac, buf2 + (readpos * 2), left);
-
-				for (i = 0; i < (GSMOPEN_FRAME_SIZE + AST_FRIENDLY_OFFSET / 2) * 2;) {
-					__buf[a] = (__buf2[i] + __buf2[i + 1]) / 2;
-					a++;
-					i++;
-					i++;
-				}
-			}
-
-		}
-	} else if (r < 0) {
-		WARNINGA("ALSA Read error: %s\n", GSMOPEN_P_LOG, snd_strerror(r));
-	} else if (r >= 0) {
-		//DEBUGA_GSMOPEN("read: r=%d, readpos=%d, left=%d, off=%d\n", GSMOPEN_P_LOG, r, readpos, left, off);
-		off -= r;				//what is the meaning of this? a leftover, probably
-	}
-	/* Update positions */
-	readpos += r;
-	left -= r;
-
-	if (readpos >= GSMOPEN_FRAME_SIZE) {
-		int i;
-		/* A real frame */
-		readpos = 0;
-		left = GSMOPEN_FRAME_SIZE;
-		for (i = 0; i < r; i++)
-			data[i] = buf[i];
-
-	}
-	return r;
-}
-
-#endif // GSMOPEN_ALSA
 
 int gsmopen_sendsms(private_t *tech_pvt, char *dest, char *text)
 {