diff --git a/drivers/ifxmodem/audio-settings.c b/drivers/ifxmodem/audio-settings.c
index f156cf79..c2753986 100644
--- a/drivers/ifxmodem/audio-settings.c
+++ b/drivers/ifxmodem/audio-settings.c
@@ -42,11 +42,259 @@
 
 static const char *none_prefix[] = { NULL };
 static const char *xprogress_prefix[] = { "+XPROGRESS:", NULL };
+static const char *xdrv_prefix[] = { "+XDRV:", NULL };
+
+enum xdrv_destination {
+	XDRV_DESTINATION_SPEECH_TX =	0,
+	XDRV_DESTINATION_ANALOG_OUT =	1,
+	XDRV_DESTINATION_I2SX_TX =	2,
+	XDRV_DESTINATION_I2SY_TX =	3,
+	XDRV_DESTINATION_PCM_GENERAL =	4,
+};
+
+enum xdrv_source {
+	XDRV_SOURCE_SPEECH_RX =		0,
+	XDRV_SOURCE_SPEECH_ANALOG_IN =	1,
+	XDRV_SOURCE_DIGITAL_MIC_IN =	2,
+	XDRV_SOURCE_I2SX_RX =		3,
+	XDRV_SOURCE_I2SY_RX =		4,
+	XDRV_SOURCE_SIMPLE_TONES =	5,
+};
+
+enum xdrv_sampling_rate {
+	XDRV_SAMPLING_RATE_8KHZ =	0,
+	XDRV_SAMPLING_RATE_11KHZ =	1,
+	XDRV_SAMPLING_RATE_12KHZ =	2,
+	XDRV_SAMPLING_RATE_16KHZ =	3,
+	XDRV_SAMPLING_RATE_22KHZ =	4,
+	XDRV_SAMPLING_RATE_24KHZ =	5,
+	XDRV_SAMPLING_RATE_32KHZ =	6,
+	XDRV_SAMPLING_RATE_44KHZ =	7,
+	XDRV_SAMPLING_RATE_48KHZ =	8,
+	XDRV_SAMPLING_RATE_96KHZ =	9,
+	XDRV_SAMPLING_RATE_192KHZ =	10,
+};
+
+enum xdrv_sampling_width {
+	XDRV_SAMPLING_WIDTH_16 =	0,
+	XDRV_SAMPLING_WIDTH_18 =	1,
+	XDRV_SAMPLING_WIDTH_20 =	2,
+	XDRV_SAMPLING_WIDTH_24 =	3,
+	XDRV_SAMPLING_WIDTH_32 =	4,
+	XDRV_SAMPLING_WIDTH_48 =	5,
+	XDRV_SAMPLING_WIDTH_64 =	6,
+};
+
+enum xdrv_i2s_mode {
+	XDRV_I2S_MODE_MASTER =		0,
+	XDRV_I2S_MODE_SLAVE =		1,
+};
+
+enum xdrv_i2s_clock {
+	XDRV_I2S_CLOCK_0 =		0,
+	XDRV_I2S_CLOCK_1 =		1,
+};
+
+enum xdrv_i2s_configuration_mode {
+	XDRV_I2S_CONFIGURATION_MODE_UPDATE_ALL =	0,
+	XDRV_I2S_CONFIGURATION_MODE_UPDATE_HW =		1,
+	XDRV_I2S_CONFIGURATION_MODE_UPDATE_TRANSDUCER =	2,
+};
+
+enum xdrv_i2s_settings {
+	XDRV_I2S_SETTINGS_NORMAL =	0,
+	XDRV_I2S_SETTINGS_SPECIAL1 =	1,
+	XDRV_I2S_SETTINGS_SPECIAL2 =	2,
+};
+
+enum xdrv_i2s_transmission_mode {
+	XDRV_I2S_TRANSMISSION_MODE_PCM =	0,
+	XDRV_I2S_TRANSMISSION_MODE_NORMAL =	1,
+	XDRV_IS2_TRANSMISSION_MODE_PCM_BURST =	2,
+};
+
+enum xdrv_source_transducer {
+	XDRV_SOURCE_TRANSDUCER_DEFAULT =		0,
+	XDRV_SOURCE_TRANSDUCER_HANDSET =		1,
+	XDRV_SOURCE_TRANSDUCER_HEADSET =		2,
+	XDRV_SOURCE_TRANSDUCER_HF =			3,
+	XDRV_SOURCE_TRANSDUCER_AUX =			4,
+	XDRV_SOURCE_TRANSDUCER_TTY =			5,
+	XDRV_SOURCE_TRANSDUCER_BLUETOOTH =		6,
+	XDRV_SOURCE_TRANSDUCER_USER_DEFINED_15 =	21,
+};
+
+enum xdrv_dest_transducer {
+	XDRV_DEST_TRANSDUCER_DEFAULT =		0,
+	XDRV_DEST_TRANSDUCER_HANDSET =		1,
+	XDRV_DEST_TRANSDUCER_HEADSET =		2,
+	XDRV_DEST_TRANSDUCER_BACKSPEAKER =	3,
+	XDRV_DEST_TRANSDUCER_TTY =		6,
+	XDRV_DEST_TRANSDUCER_BLUETOOTH =	7,
+	XDRV_DEST_TRANSDUCER_USER_DEFINED_15 =	22,
+};
+
+enum xdrv_audio_mode {
+	XDRV_AUDIO_MODE_MONO =		0,
+	XDRV_AUDIO_MODE_DUAL_MONO =	1,
+	XDRV_AUDIO_MODE_STEREO =	2,
+	XDRV_AUDIO_MODE_DUAL_MONO_R =	3,
+	XDRV_AUDIO_MODE_DUAL_MONO_L =	4,
+};
 
 struct audio_settings_data {
 	GAtChat *chat;
 };
 
+static inline void xdrv_enable_source(GAtChat *chat, enum xdrv_source src)
+{
+	char buf[256];
+
+	sprintf(buf, "AT+XDRV=40,2,%i", src);
+	g_at_chat_send(chat, buf, xdrv_prefix, NULL, NULL, NULL);
+}
+
+static inline void xdrv_disable_source(GAtChat *chat, enum xdrv_source src)
+{
+	char buf[256];
+
+	sprintf(buf, "AT+XDRV=40,3,%i", src);
+	g_at_chat_send(chat, buf, xdrv_prefix, NULL, NULL, NULL);
+}
+
+static inline void xdrv_configure_source(GAtChat *chat, enum xdrv_source src,
+				enum xdrv_i2s_clock clock,
+				enum xdrv_i2s_mode master_slave,
+				enum xdrv_sampling_rate sample_rate,
+				enum xdrv_sampling_width bits,
+				enum xdrv_i2s_transmission_mode tx_mode,
+				enum xdrv_i2s_settings settings,
+				enum xdrv_audio_mode mode,
+				enum xdrv_i2s_configuration_mode config_mode,
+				enum xdrv_source_transducer transducer_mode)
+{
+	char buf[256];
+	int ctx = 0; /* This is always 0 for now */
+
+	sprintf(buf, "AT+XDRV=40,4,%i,%i,%i,%i,%i,%i,%i,%i,%i,%i,%i",
+		src, ctx, clock, master_slave, sample_rate, bits,
+		tx_mode, settings, mode, config_mode, transducer_mode);
+	g_at_chat_send(chat, buf, xdrv_prefix, NULL, NULL, NULL);
+}
+
+static inline void xdrv_configure_destination(GAtChat *chat,
+				enum xdrv_destination dest,
+				enum xdrv_i2s_clock clock,
+				enum xdrv_i2s_mode master_slave,
+				enum xdrv_sampling_rate sample_rate,
+				enum xdrv_sampling_width bits,
+				enum xdrv_i2s_transmission_mode tx_mode,
+				enum xdrv_i2s_settings settings,
+				enum xdrv_audio_mode mode,
+				enum xdrv_i2s_configuration_mode config_mode,
+				enum xdrv_dest_transducer transducer_mode)
+{
+	char buf[256];
+	int ctx = 0; /* This is always 0 for now */
+
+	sprintf(buf, "AT+XDRV=40,5,%i,%i,%i,%i,%i,%i,%i,%i,%i,%i,%i",
+		dest, ctx, clock, master_slave, sample_rate, bits,
+		tx_mode, settings, mode, config_mode, transducer_mode);
+	g_at_chat_send(chat, buf, xdrv_prefix, NULL, NULL, NULL);
+}
+
+static inline void xdrv_set_destination_for_source(GAtChat *chat,
+						enum xdrv_source src,
+						enum xdrv_destination dest)
+{
+	char buf[256];
+
+	sprintf(buf, "AT+XDRV=40,6,%i,%i", src, dest);
+	g_at_chat_send(chat, buf, xdrv_prefix, NULL, NULL, NULL);
+}
+
+static inline void xdrv_set_destination_volume(GAtChat *chat,
+						enum xdrv_destination dest,
+						int volume)
+{
+	char buf[256];
+
+	sprintf(buf, "AT+XDRV=40,8,%i,%i", dest, volume);
+	g_at_chat_send(chat, buf, xdrv_prefix, NULL, NULL, NULL);
+}
+
+static void send_xdrv_setup_sequence(struct ofono_audio_settings *as)
+{
+	struct audio_settings_data *asd = ofono_audio_settings_get_data(as);
+
+	/* Mute */
+	xdrv_set_destination_volume(asd->chat, XDRV_DESTINATION_I2SX_TX, 0);
+	xdrv_set_destination_volume(asd->chat, XDRV_DESTINATION_SPEECH_TX, 0);
+
+	xdrv_set_destination_for_source(asd->chat, XDRV_SOURCE_SPEECH_RX,
+					XDRV_DESTINATION_PCM_GENERAL);
+
+	xdrv_disable_source(asd->chat, XDRV_SOURCE_I2SX_RX);
+	xdrv_disable_source(asd->chat, XDRV_SOURCE_I2SY_RX);
+
+	xdrv_configure_source(asd->chat, XDRV_SOURCE_I2SX_RX, XDRV_I2S_CLOCK_1,
+				XDRV_I2S_MODE_MASTER, XDRV_SAMPLING_RATE_48KHZ,
+				XDRV_SAMPLING_WIDTH_16,
+				XDRV_I2S_TRANSMISSION_MODE_NORMAL,
+				XDRV_I2S_SETTINGS_NORMAL,
+				XDRV_AUDIO_MODE_STEREO,
+				XDRV_I2S_CONFIGURATION_MODE_UPDATE_ALL,
+				XDRV_SOURCE_TRANSDUCER_USER_DEFINED_15);
+	xdrv_configure_destination(asd->chat, XDRV_DESTINATION_I2SX_TX,
+					XDRV_I2S_CLOCK_1, XDRV_I2S_MODE_MASTER,
+					XDRV_SAMPLING_RATE_48KHZ,
+					XDRV_SAMPLING_WIDTH_16,
+					XDRV_I2S_TRANSMISSION_MODE_NORMAL,
+					XDRV_I2S_SETTINGS_NORMAL,
+					XDRV_AUDIO_MODE_STEREO,
+					XDRV_I2S_CONFIGURATION_MODE_UPDATE_ALL,
+					XDRV_DEST_TRANSDUCER_USER_DEFINED_15);
+
+	xdrv_configure_source(asd->chat, XDRV_SOURCE_I2SY_RX, XDRV_I2S_CLOCK_0,
+				XDRV_I2S_MODE_MASTER, XDRV_SAMPLING_RATE_48KHZ,
+				XDRV_SAMPLING_WIDTH_16,
+				XDRV_I2S_TRANSMISSION_MODE_NORMAL,
+				XDRV_I2S_SETTINGS_NORMAL,
+				XDRV_AUDIO_MODE_STEREO,
+				XDRV_I2S_CONFIGURATION_MODE_UPDATE_ALL,
+				XDRV_SOURCE_TRANSDUCER_USER_DEFINED_15);
+	xdrv_configure_destination(asd->chat, XDRV_DESTINATION_I2SY_TX,
+					XDRV_I2S_CLOCK_0, XDRV_I2S_MODE_MASTER,
+					XDRV_SAMPLING_RATE_48KHZ,
+					XDRV_SAMPLING_WIDTH_16,
+					XDRV_I2S_TRANSMISSION_MODE_NORMAL,
+					XDRV_I2S_SETTINGS_NORMAL,
+					XDRV_AUDIO_MODE_STEREO,
+					XDRV_I2S_CONFIGURATION_MODE_UPDATE_ALL,
+					XDRV_DEST_TRANSDUCER_USER_DEFINED_15);
+
+	/* Seems unnecessary
+	xdrv_set_destination_for_source(asd->chat, XDRV_SOURCE_SPEECH_RX,
+					XDRV_DESTINATION_PCM_GENERAL);
+	*/
+	xdrv_set_destination_for_source(asd->chat, XDRV_SOURCE_I2SX_RX,
+					XDRV_DESTINATION_SPEECH_TX);
+	xdrv_set_destination_for_source(asd->chat, XDRV_SOURCE_I2SY_RX,
+					XDRV_DESTINATION_I2SX_TX);
+	xdrv_set_destination_for_source(asd->chat, XDRV_SOURCE_SIMPLE_TONES,
+					XDRV_DESTINATION_I2SX_TX);
+
+	xdrv_enable_source(asd->chat, XDRV_SOURCE_I2SX_RX);
+	xdrv_enable_source(asd->chat, XDRV_SOURCE_I2SY_RX);
+
+	xdrv_set_destination_for_source(asd->chat, XDRV_SOURCE_SPEECH_RX,
+					XDRV_DESTINATION_I2SX_TX);
+
+	/* Unmute */
+	xdrv_set_destination_volume(asd->chat, XDRV_DESTINATION_I2SX_TX, 66);
+	xdrv_set_destination_volume(asd->chat, XDRV_DESTINATION_SPEECH_TX, 100);
+}
+
 static void xprogress_notify(GAtResult *result, gpointer user_data)
 {
 	struct ofono_audio_settings *as = user_data;
@@ -103,6 +351,8 @@ static void xprogress_support_cb(gboolean ok, GAtResult *result,
 
 	ofono_audio_settings_register(as);
 
+	send_xdrv_setup_sequence(as);
+
 	modem = ofono_audio_settings_get_modem(as);
 	setting = ofono_modem_get_string(modem, "AudioSetting");