diff --git a/src/callbacks.c b/src/callbacks.c
index d6dbb45..5c19c03 100644
--- a/src/callbacks.c
+++ b/src/callbacks.c
@@ -110,7 +110,7 @@ void on_phone_call_reject(gpointer data)
 {
 	Phone * phone = data;
 
-	phone_call_hangup(phone);
+	phone_call_reject(phone);
 }
 
 
diff --git a/src/gsm.c b/src/gsm.c
index 85b2ac1..afcd793 100644
--- a/src/gsm.c
+++ b/src/gsm.c
@@ -455,6 +455,13 @@ int gsm_call_hangup(GSM * gsm)
 }
 
 
+/* gsm_call_reject */
+int gsm_call_reject(GSM * gsm)
+{
+	return gsm_modem_call_reject(gsm->modem);
+}
+
+
 /* gsm_enter_sim_pin */
 int gsm_enter_sim_pin(GSM * gsm, char const * code)
 {
diff --git a/src/gsm.h b/src/gsm.h
index 5abad02..a253b50 100644
--- a/src/gsm.h
+++ b/src/gsm.h
@@ -71,8 +71,9 @@ typedef enum _GSMError
 	GSM_ERROR_NO_CARRIER,
 	GSM_ERROR_NO_DIALTONE,
 	GSM_ERROR_OPERATOR_MODE_FAILED,
-	GSM_ERROR_SIGNAL_LEVEL_FAILED,
+	GSM_ERROR_REJECT_FAILED,
 	GSM_ERROR_RESET_FAILED,
+	GSM_ERROR_SIGNAL_LEVEL_FAILED,
 	GSM_ERROR_SIM_PIN_REQUIRED,
 	GSM_ERROR_SIM_PIN_WRONG
 } GSMError;
@@ -281,6 +282,7 @@ int gsm_call_answer(GSM * gsm);
 int gsm_call(GSM * gsm, GSMCallType calltype, char const * number);
 int gsm_call_contact(GSM * gsm, GSMCallType calltype, unsigned int index);
 int gsm_call_hangup(GSM * gsm);
+int gsm_call_reject(GSM * gsm);
 
 int gsm_enter_sim_pin(GSM * gsm, char const * code);
 
diff --git a/src/modem.c b/src/modem.c
index a6e236c..106249b 100644
--- a/src/modem.c
+++ b/src/modem.c
@@ -182,6 +182,23 @@ int gsm_modem_call_last(GSMModem * gsmm, GSMCallType calltype)
 }
 
 
+/* gsm_modem_call_reject */
+static void _modem_call_reject_callback(GSM * gsm);
+
+int gsm_modem_call_reject(GSMModem * gsmm)
+{
+	char const cmd[] = "AT+CHUP";
+
+	return gsm_queue_full(gsmm->gsm, GSM_PRIORITY_HIGH, cmd,
+			GSM_ERROR_REJECT_FAILED, _modem_call_reject_callback);
+}
+
+static void _modem_call_reject_callback(GSM * gsm)
+{
+	gsm_is_phone_active(gsm);
+}
+
+
 /* gsm_modem_enter_sim_pin */
 static void _modem_enter_sim_pin_callback(GSM * gsm);
 
diff --git a/src/modem.h b/src/modem.h
index 104af90..b4ab2b4 100644
--- a/src/modem.h
+++ b/src/modem.h
@@ -47,6 +47,7 @@ int gsm_modem_call_contact(GSMModem * gsmm, GSMCallType calltype,
 		unsigned int index);
 int gsm_modem_call_hangup(GSMModem * gsmm);
 int gsm_modem_call_last(GSMModem * gsmm, GSMCallType calltype);
+int gsm_modem_call_reject(GSMModem * gsmm);
 
 int gsm_modem_enter_sim_pin(GSMModem * gsmm, char const * code);
 
diff --git a/src/phone.c b/src/phone.c
index 199a4ec..a80fc1a 100644
--- a/src/phone.c
+++ b/src/phone.c
@@ -323,6 +323,13 @@ void phone_call_hangup(Phone * phone)
 }
 
 
+/* phone_call_reject */
+void phone_call_reject(Phone * phone)
+{
+	gsm_call_reject(phone->gsm);
+}
+
+
 /* phone_code_append */
 int phone_code_append(Phone * phone, char character)
 {
@@ -807,6 +814,7 @@ static struct
 	{ "Phone functional",		gsm_is_functional		},
 	{ "Registered",			gsm_is_registered		},
 	{ "Registration",		gsm_fetch_registration		},
+	{ "Reject call",		gsm_call_reject			},
 	{ "Signal level",		gsm_fetch_signal_level		},
 	{ "SIM PIN status",		gsm_is_pin_needed		},
 	{ "SIM PIN valid",		gsm_is_pin_valid		},
@@ -1496,7 +1504,9 @@ static void _phone_set_status(Phone * phone, GSMStatus status)
 					GSM_OPERATOR_FORMAT_LONG);
 			gsm_fetch_operator(phone->gsm);
 			gsm_fetch_signal_level(phone->gsm);
+#ifndef DEBUG
 			_phone_track(phone, PHONE_TRACK_SIGNAL_LEVEL, TRUE);
+#endif
 			return;
 	}
 	_phone_track(phone, PHONE_TRACK_REGISTRATION, track_registration);
@@ -1573,8 +1583,10 @@ static int _phone_gsm_event(GSMEvent * event, gpointer data)
 					GSM_OPERATOR_MODE_AUTOMATIC);
 			gsm_set_registration_report(phone->gsm, report);
 			gsm_is_phone_active(phone->gsm);
+#ifndef DEBUG
 			_phone_track(phone, PHONE_TRACK_CONTACT_LIST, TRUE);
 			_phone_track(phone, PHONE_TRACK_MESSAGE_LIST, TRUE);
+#endif
 			return 0;
 		case GSM_EVENT_TYPE_INCOMING_CALL:
 			phone_show_call(phone, TRUE, PHONE_CALL_INCOMING, "",
diff --git a/src/phone.h b/src/phone.h
index a75e803..28d7f9d 100644
--- a/src/phone.h
+++ b/src/phone.h
@@ -76,6 +76,7 @@ void phone_show_write(Phone * phone, gboolean show);
 /* calls */
 void phone_call_answer(Phone * phone);
 void phone_call_hangup(Phone * phone);
+void phone_call_reject(Phone * phone);
 
 /* code */
 int phone_code_append(Phone * phone, char character);