diff --git a/src/sim.c b/src/sim.c
index fd9b4126..ff559a9d 100644
--- a/src/sim.c
+++ b/src/sim.c
@@ -101,6 +101,8 @@ struct ofono_sim {
 	unsigned char efust_length;
 	unsigned char *efest;
 	unsigned char efest_length;
+	unsigned char *efsst;
+	unsigned char efsst_length;
 };
 
 struct msisdn_set_request {
@@ -1072,6 +1074,27 @@ static void sim_retrieve_imsi(struct ofono_sim *sim)
 	sim->driver->read_imsi(sim, sim_imsi_cb, sim);
 }
 
+static void sim_efsst_read_cb(int ok, int length, int record,
+				const unsigned char *data,
+				int record_length, void *userdata)
+{
+	struct ofono_sim *sim = userdata;
+
+	if (!ok)
+		goto out;
+
+	if (length < 2) {
+		ofono_error("EFsst shall contain at least two bytes");
+		goto out;
+	}
+
+	sim->efsst = g_memdup(data, length);
+	sim->efsst_length = length;
+
+out:
+	sim_retrieve_imsi(sim);
+}
+
 static void sim_efest_read_cb(int ok, int length, int record,
 				const unsigned char *data,
 				int record_length, void *userdata)
@@ -1192,9 +1215,14 @@ static void sim_initialize_after_pin(struct ofono_sim *sim)
 			sim_cphs_information_read_cb, sim);
 
 	/* Also retrieve the GSM service table */
-	ofono_sim_read(sim, SIM_EFUST_FILEID,
-			OFONO_SIM_FILE_STRUCTURE_TRANSPARENT,
-			sim_efust_read_cb, sim);
+	if (sim->phase >= OFONO_SIM_PHASE_3G)
+		ofono_sim_read(sim, SIM_EFUST_FILEID,
+				OFONO_SIM_FILE_STRUCTURE_TRANSPARENT,
+				sim_efust_read_cb, sim);
+	else
+		ofono_sim_read(sim, SIM_EFSST_FILEID,
+				OFONO_SIM_FILE_STRUCTURE_TRANSPARENT,
+				sim_efsst_read_cb, sim);
 }
 
 static void sim_pin_query_cb(const struct ofono_error *error,
@@ -2046,6 +2074,12 @@ static void sim_free_state(struct ofono_sim *sim)
 		sim->efest_length = 0;
 	}
 
+	if (sim->efsst) {
+		g_free(sim->efsst);
+		sim->efsst = NULL;
+		sim->efsst_length = 0;
+	}
+
 	sim->mnc_length = 0;
 
 	if (sim->efimg) {
diff --git a/src/simutil.c b/src/simutil.c
index ac054ae3..4af68109 100644
--- a/src/simutil.c
+++ b/src/simutil.c
@@ -1434,3 +1434,21 @@ gboolean sim_est_is_active(unsigned char *efest, unsigned char len,
 
 	return (efest[index / 8] >> (index % 8)) & 1;
 }
+
+gboolean sim_sst_is_available(unsigned char *efsst, unsigned char len,
+						enum sim_sst_service index)
+{
+	if (index >= len * 4u)
+		return FALSE;
+
+	return (efsst[index / 4] >> ((index % 4) * 2)) & 1;
+}
+
+gboolean sim_sst_is_active(unsigned char *efsst, unsigned char len,
+						enum sim_sst_service index)
+{
+	if (index >= len * 4u)
+		return FALSE;
+
+	return (efsst[index / 4] >> (((index % 4) * 2) + 1)) & 1;
+}
diff --git a/src/simutil.h b/src/simutil.h
index 65e651ac..0a94c67b 100644
--- a/src/simutil.h
+++ b/src/simutil.h
@@ -28,6 +28,7 @@ enum sim_fileid {
 	SIM_EF_CPHS_INFORMATION_FILEID = 0x6f16,
 	SIM_EF_CPHS_MBDN_FILEID = 0x6f17,
 	SIM_EFUST_FILEID = 0x6f38,
+	SIM_EFSST_FILEID = 0x6f38, /* same as EFust */
 	SIM_EFMSISDN_FILEID = 0x6f40,
 	SIM_EFSPN_FILEID = 0x6f46,
 	SIM_EFSDN_FILEID = 0x6f49,
@@ -154,6 +155,64 @@ enum sim_est_service {
 	SIM_EST_SERVICE_ACL				= 2
 };
 
+/* 51.011 Section 10.3.7 */
+enum sim_sst_service {
+	SIM_SST_SERVICE_CHV1_DISABLE 			= 0,
+	SIM_SST_SERVICE_ADN				= 1,
+	SIM_SST_SERVICE_FDN				= 2,
+	SIM_SST_SERVICE_SMS				= 3,
+	SIM_SST_SERVICE_AOC				= 4,
+	SIM_SST_SERVICE_CCP				= 5,
+	SIM_SST_SERVICE_PLMN_SELECTOR			= 6,
+	SIM_SST_SERVICE_MSISDN				= 8,
+	SIM_SST_SERVICE_EXT_1				= 9,
+	SIM_SST_SERVICE_EXT_2				= 10,
+	SIM_SST_SERVICE_SMSP				= 11,
+	SIM_SST_SERVICE_LND				= 12,
+	SIM_SST_SERVICE_CBS_ID				= 13,
+	SIM_SST_SERVICE_GROUP_ID_LEVEL_1		= 14,
+	SIM_SST_SERVICE_GROUP_ID_LEVEL_2		= 15,
+	SIM_SST_SERVICE_PROVIDER_NAME			= 16,
+	SIM_SST_SERVICE_SDN				= 17,
+	SIM_SST_SERVICE_EXT_3				= 18,
+	SIM_SST_SERVICE_EFVGCS_EFVGCSS			= 20,
+	SIM_SST_SERVICE_EFVBS_EFVBSS			= 21,
+	SIM_SST_SERVICE_PRECEDENCE_PREEMPTION		= 22,
+	SIM_SST_SERVICE_EMLPP				= 23,
+	SIM_SST_SERVICE_DATA_DOWNLOAD_SMS_CB		= 24,
+	SIM_SST_SERVICE_DATA_DOWNLOAD_SMS_PP		= 25,
+	SIM_SST_SERVICE_MENU_SELECTION			= 26,
+	SIM_SST_SERVICE_CALL_CONTROL			= 27,
+	SIM_SST_SERVICE_PROACTIVE_SIM			= 28,
+	SIM_SST_SERVICE_CBS_ID_RANGE			= 29,
+	SIM_SST_SERVICE_BDN				= 30,
+	SIM_SST_SERVICE_EXT_4				= 31,
+	SIM_SST_SERVICE_DEPERSONALISATION_CTRL_KEY	= 32,
+	SIM_SST_SERVICE_NETWORK_LIST			= 33,
+	SIM_SST_SERVICE_SMSR				= 34,
+	SIM_SST_SERVICE_NIA				= 35,
+	SIM_SST_SERVICE_MO_SMS_SIM			= 36,
+	SIM_SST_SERVICE_GPRS				= 37,
+	SIM_SST_SERVICE_IMG				= 38,
+	SIM_SST_SERVICE_SOLSA				= 39,
+	SIM_SST_SERVICE_USSD_CALL_CONTROL		= 40,
+	SIM_SST_SERVICE_RUN_AT_COMMAND			= 41,
+	SIM_SST_SERVICE_USER_PLMN			= 42,
+	SIM_SST_SERVICE_OPERATOR_PLMN			= 43,
+	SIM_SST_SERVICE_HPLMN				= 44,
+	SIM_SST_SERVICE_CPBCCH				= 45,
+	SIM_SST_SERVICE_INVESTIGATION_SCAN		= 46,
+	SIM_SST_SERVICE_EXT_CCP				= 47,
+	SIM_SST_SERVICE_MEXE				= 48,
+	SIM_SST_SERVICE_RPLMN				= 49,
+	SIM_SST_SERVICE_PLMN_NETWORK_NAME		= 50,
+	SIM_SST_SERVICE_OPERATOR_PLMN_LIST		= 51,
+	SIM_SST_SERVICE_MAILBOX_DIALLING_NUMBERS	= 52,
+	SIM_SST_SERVICE_MWIS				= 53,
+	SIM_SST_SERVICE_CFIS				= 54,
+	SIM_SST_SERVICE_PROVIDER_DISPLAY_INFO		= 55
+};
+
 #define SIM_EFSPN_DC_HOME_PLMN_BIT 0x1
 #define SIM_EFSPN_DC_ROAMING_SPN_BIT 0x2
 
@@ -372,3 +431,7 @@ gboolean sim_ust_is_available(unsigned char *service_ust, unsigned char len,
 						enum sim_ust_service index);
 gboolean sim_est_is_active(unsigned char *service_est, unsigned char len,
 						enum sim_est_service index);
+gboolean sim_sst_is_available(unsigned char *service_sst, unsigned char len,
+						enum sim_sst_service index);
+gboolean sim_sst_is_active(unsigned char *service_sst, unsigned char len,
+						enum sim_sst_service index);