Implement support for subscriber number request (AT+CNUM)

3 files changed, 20 insertions, 0 deletions

diff --git a/audio/headset.c b/audio/headset.c
index a7adffd9..f0eb0b7b 100644
--- a/audio/headset.c
+++ b/audio/headset.c
@@ -857,6 +857,18 @@ static int dtmf_tone(struct audio_device *device, const char *buf)
 	return headset_send(hs, "\r\nOK\n\r");
 }
 
+static int subscriber_number(struct audio_device *device, const char *buf)
+{
+	struct headset *hs = device->headset;
+
+	if (telephony_subscriber_number_req() < 0) {
+		headset_send(hs, "\r\nERROR\r\n");
+		return 0;
+	}
+
+	return headset_send(hs, "\r\nOK\n\r");
+}
+
 static struct event event_callbacks[] = {
 	{ "ATA", answer_call },
 	{ "ATD", dial_number },
@@ -871,6 +883,7 @@ static struct event event_callbacks[] = {
 	{ "AT+BTRH", response_and_hold },
 	{ "AT+BLDN", last_dialed_number },
 	{ "AT+VTS", dtmf_tone },
+	{ "AT+CNUM", subscriber_number },
 	{ 0 }
 };
 
diff --git a/audio/telephony-dummy.c b/audio/telephony-dummy.c
index f9e121bf..315501a4 100644
--- a/audio/telephony-dummy.c
+++ b/audio/telephony-dummy.c
@@ -119,6 +119,11 @@ int telephony_transmit_dtmf_req(char tone)
 	return 0;
 }
 
+int telephony_subscriber_number_req(void)
+{
+	return 0;
+}
+
 /* D-Bus method handlers */
 static DBusMessage *outgoing_call(DBusConnection *conn, DBusMessage *msg,
 					void *data)
diff --git a/audio/telephony.h b/audio/telephony.h
index 94df9d2a..e2e208ae 100644
--- a/audio/telephony.h
+++ b/audio/telephony.h
@@ -95,6 +95,8 @@ int telephony_ready_ind(uint32_t features, const struct indicator *indicators,
 
 int telephony_transmit_dtmf_req(char tone);
 
+int telephony_subscriber_number_req(void);
+
 /* Helper function for quick indicator updates */
 static inline int telephony_update_indicator(struct indicator *indicators,
 						const char *desc,