diff --git a/src/mod/endpoints/mod_gsmopen/gsmopen.h b/src/mod/endpoints/mod_gsmopen/gsmopen.h
index f13d27775e..88dc41e51a 100644
--- a/src/mod/endpoints/mod_gsmopen/gsmopen.h
+++ b/src/mod/endpoints/mod_gsmopen/gsmopen.h
@@ -505,6 +505,9 @@ struct private_object {
 
 	ctb::SerialPort* serialPort_serial_control;
 
+	char buffer2[320];
+	int buffer2_full;
+
 };
 
 typedef struct private_object private_t;
@@ -554,11 +557,11 @@ int gsmopen_socket_create_and_bind(private_t * tech_pvt, int *which_port);
 
 
 void *gsmopen_do_controldev_thread(void *data);
-#ifdef WIN32
+//#ifdef WIN32
 int gsmopen_serial_init(private_t * tech_pvt, int controldevice_speed);
-#else
-int gsmopen_serial_init(private_t * tech_pvt, speed_t controldevice_speed);
-#endif //WIN32
+//#else
+//int gsmopen_serial_init(private_t * tech_pvt, speed_t controldevice_speed);
+//#endif //WIN32
 int gsmopen_serial_monitor(private_t * tech_pvt);
 int gsmopen_serial_sync(private_t * tech_pvt);
 int gsmopen_serial_sync_AT(private_t * tech_pvt);
diff --git a/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp b/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp
index 0ae0eb255f..3944fffda1 100644
--- a/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp
+++ b/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp
@@ -60,7 +60,8 @@ int gsmopen_serial_init(private_t * tech_pvt, int controldevice_speed)
 
 	tech_pvt->serialPort_serial_control = new ctb::SerialPort();
 
-	if( tech_pvt->serialPort_serial_control->Open( "COM9", 115200, "8N1", ctb::SerialPort::NoFlowControl ) >= 0 ) {
+	//if( tech_pvt->serialPort_serial_control->Open( "COM9", 115200, "8N1", ctb::SerialPort::NoFlowControl ) >= 0 ) {
+	if( tech_pvt->serialPort_serial_control->Open( "/dev/ttyUSB3", 115200, "8N1", ctb::SerialPort::NoFlowControl ) >= 0 ) {
 		ERRORA("port SUCCESS open\n", GSMOPEN_P_LOG);
 	} else {
 		ERRORA("port NOT open\n", GSMOPEN_P_LOG);
@@ -214,6 +215,16 @@ int gsmopen_serial_config_AT(private_t * tech_pvt)
 /* go until first empty preinit string, or last preinit string */
 	while (1) {
 
+		char trash[4096];
+		res=tech_pvt->serialPort_serial_control->Read(trash, 4096);
+		if(res)
+			ERRORA("READ %d on serialport init\n", GSMOPEN_P_LOG, res);
+
+	res = gsmopen_serial_write_AT_ack(tech_pvt, "AT^CURC=0");
+	if (res) {
+		ERRORA("no response to AT^CURC=0\n", GSMOPEN_P_LOG);
+		return -1;
+	}
 		if (strlen(tech_pvt->at_preinit_1)) {
 			res = gsmopen_serial_write_AT_expect(tech_pvt, tech_pvt->at_preinit_1, tech_pvt->at_preinit_1_expect);
 			if (res) {
@@ -274,6 +285,9 @@ int gsmopen_serial_config_AT(private_t * tech_pvt)
 		ERRORA("no response to AT\n", GSMOPEN_P_LOG);
 		return -1;
 	}
+
+
+
 	/* for motorola, bring it back to "normal" mode if it happens to be in another mode */
 	res = gsmopen_serial_write_AT_ack(tech_pvt, "AT+mode=0");
 	if (res) {
@@ -3578,7 +3592,8 @@ int gsmopen_serial_init_audio_port(private_t * tech_pvt, int controldevice_audio
 {
 	tech_pvt->serialPort_serial_audio = new ctb::SerialPort();
 
-	if( tech_pvt->serialPort_serial_audio->Open( "COM8", 115200, "8N1", ctb::SerialPort::NoFlowControl ) >= 0 ) {
+	//if( tech_pvt->serialPort_serial_audio->Open( "COM8", 115200, "8N1", ctb::SerialPort::NoFlowControl ) >= 0 ) {
+	if( tech_pvt->serialPort_serial_audio->Open( "/dev/ttyUSB2", 115200, "8N1", ctb::SerialPort::NoFlowControl ) >= 0 ) {
 		ERRORA("port SUCCESS open\n", GSMOPEN_P_LOG);
 	} else {
 		ERRORA("port NOT open\n", GSMOPEN_P_LOG);
diff --git a/src/mod/endpoints/mod_gsmopen/mod_gsmopen.cpp b/src/mod/endpoints/mod_gsmopen/mod_gsmopen.cpp
index 54996cad63..d66759a86d 100644
--- a/src/mod/endpoints/mod_gsmopen/mod_gsmopen.cpp
+++ b/src/mod/endpoints/mod_gsmopen/mod_gsmopen.cpp
@@ -810,7 +810,7 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 	int samples;
 	int samples2;
 	char digit_str[256];
-	short buffer2[640];
+	char buffer2[640];
 
 
 	channel = switch_core_session_get_channel(session);
@@ -842,9 +842,23 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 	//if ((samples = snd_pcm_readi(tech_pvt->alsac, tech_pvt->read_frame.data, tech_pvt->read_codec.implementation->samples_per_packet)) > 0) 
 	if ((samples = alsa_read(tech_pvt, (short *) tech_pvt->read_frame.data, tech_pvt->read_codec.implementation->samples_per_packet)) > 0) 
 #endif// GSMOPEN_ALSA
-	if ((samples = tech_pvt->serialPort_serial_audio->Read((char *) tech_pvt->read_frame.data, 320)) >0)
-	{
+//	if ((samples = tech_pvt->serialPort_serial_audio->Read((char *) tech_pvt->read_frame.data, 320)) >0)
 
+if ((samples = tech_pvt->serialPort_serial_audio->Read(buffer2, 640)) >= 320)
+	{
+			tech_pvt->buffer2_full = 0;
+
+
+
+			if(samples >= 640){
+							DEBUGA_GSMOPEN("samples=%d\n", GSMOPEN_P_LOG, samples);
+				memcpy(tech_pvt->buffer2, buffer2+320, 320);
+				tech_pvt->buffer2_full = 1;
+				}
+			samples=320;
+
+			
+		memcpy(tech_pvt->read_frame.data, buffer2, 320);
 		tech_pvt->read_frame.datalen = samples;
 		tech_pvt->read_frame.samples = samples/2;
 
@@ -852,14 +866,35 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 
 		*frame = &tech_pvt->read_frame;
 
-		if ((samples2 = tech_pvt->serialPort_serial_audio->Read((char *) tech_pvt->read_frame.data, 320)) >0){
-			WARNINGA("samples2=%d\n", GSMOPEN_P_LOG, samples2);
-
-		}
+		//if ((samples2 = tech_pvt->serialPort_serial_audio->Read((char *) tech_pvt->read_frame.data, 320)) >0){
+		//	WARNINGA("samples2=%d\n", GSMOPEN_P_LOG, samples2);
+		//}
 		//status = SWITCH_STATUS_SUCCESS;
 		switch_set_flag(tech_pvt, TFLAG_VOICE);
-	}
+	}else{
+		DEBUGA_GSMOPEN("MINGA samples=%d\n", GSMOPEN_P_LOG, samples);
+			if(tech_pvt->buffer2_full){
+				memcpy(tech_pvt->read_frame.data, tech_pvt->buffer2, 320);
+				tech_pvt->buffer2_full = 0;
+				samples=320;
+				DEBUGA_GSMOPEN("samples=%d FROM BUFFER\n", GSMOPEN_P_LOG, samples);
+		
+		tech_pvt->read_frame.datalen = samples;
+		tech_pvt->read_frame.samples = samples/2;
 
+		tech_pvt->read_frame.timestamp = tech_pvt->timer_read.samplecount;
+
+		*frame = &tech_pvt->read_frame;
+
+		//if ((samples2 = tech_pvt->serialPort_serial_audio->Read((char *) tech_pvt->read_frame.data, 320)) >0){
+		//	WARNINGA("samples2=%d\n", GSMOPEN_P_LOG, samples2);
+		//}
+		//status = SWITCH_STATUS_SUCCESS;
+		switch_set_flag(tech_pvt, TFLAG_VOICE);
+		}
+
+
+}
 		//WARNINGA("samples=%d\n", GSMOPEN_P_LOG, samples);
 	if (samples != 320) {
 		DEBUGA_GSMOPEN("samples=%d\n", GSMOPEN_P_LOG, samples);