mod_gsmopen: add support for reading own number from ON phonebook using AT+CNUM

src/mod/endpoints/mod_gsmopen/gsmopen.h

@@ -451,6 +451,8 @@ struct private_object {
 	int requesting_imsi;
 	char operator_name[128];
 	int requesting_operator_name;
+	char subscriber_number[128];
+	int requesting_subscriber_number;
 	int network_creg_not_supported;
 	char creg[128];
 

src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp

@@ -367,6 +367,14 @@ int gsmopen_serial_config_AT(private_t *tech_pvt)
 		DEBUGA_GSMOPEN("AT+COPS? failed\n", GSMOPEN_P_LOG);
 	}
 
+	/* subscriber number */
+	tech_pvt->requesting_subscriber_number = 1;
+	res = gsmopen_serial_write_AT_ack(tech_pvt, "AT+CNUM");
+	tech_pvt->requesting_subscriber_number = 0;
+	if (res) {
+		DEBUGA_GSMOPEN("AT+CNUM failed, continue\n", GSMOPEN_P_LOG);
+	}
+
 	/* IMEI */
 	tech_pvt->requesting_imei = 1;
 	res = gsmopen_serial_write_AT_ack(tech_pvt, "AT+GSN");
@@ -1032,6 +1040,41 @@ int gsmopen_serial_read_AT(private_t *tech_pvt, int look_for_ack, int timeout_us
 					strncpy(tech_pvt->operator_name, oper, sizeof(tech_pvt->operator_name));
 			}
 
+			if ((strncmp(tech_pvt->line_array.result[i], "+CNUM:", 6) == 0) || (strncmp(tech_pvt->line_array.result[i], "ERROR+CNUM:", 11) == 0)) {
+				int  skip_chars, err, type;
+				char number[128] = "";
+				char *in_ptr, *out_ptr;
+
+				skip_chars = err = type = 0;
+				in_ptr = out_ptr = number;
+
+				/* +CNUM or ERROR+CNUM ? */
+				if ((strncmp(tech_pvt->line_array.result[i], "+CNUM:", 6) == 0))
+					skip_chars = 7;
+				else
+					skip_chars = 12;
+
+				err = sscanf(&tech_pvt->line_array.result[i][skip_chars], "%*[^,],%[^,],%d", &number, &type);
+
+				/* Remove any double quotes */
+				while (*in_ptr) {
+					if (*in_ptr != '\"') *out_ptr++ = *in_ptr;
+					in_ptr++;
+				}
+				*out_ptr = '\0';
+
+				if (err < 2) {
+					DEBUGA_GSMOPEN("|%s| is not formatted as: |+CNUM: \"Name\", \"+39025458068\", 145|\n", GSMOPEN_P_LOG, tech_pvt->line_array.result[i]);
+				} else if (option_debug) {
+					DEBUGA_GSMOPEN("|%s| +CNUM: Subscriber number = %s, Type = %d\n", GSMOPEN_P_LOG, tech_pvt->line_array.result[i], number, type);
+				}
+				
+				/* Copy only the first number listed if there are more then one */
+				if (tech_pvt->requesting_subscriber_number && !strlen(tech_pvt->subscriber_number))
+					strncpy(tech_pvt->subscriber_number, number, sizeof(tech_pvt->subscriber_number));
+
+			}
+
 			if ((strncmp(tech_pvt->line_array.result[i], "+CMGW:", 6) == 0)) {
 				int err;
 

src/mod/endpoints/mod_gsmopen/mod_gsmopen.cpp

@@ -2422,6 +2422,7 @@ SWITCH_STANDARD_API(gsmopen_dump_function)
 					stream->write_function(stream, "got_signal = %s\n", value);
 					snprintf(value, sizeof(value) - 1, "%d", tech_pvt->running);
 					stream->write_function(stream, "running = %s\n", value);
+					stream->write_function(stream, "subscriber_number = %s\n", tech_pvt->subscriber_number);
 					stream->write_function(stream, "operator = %s\n", tech_pvt->operator_name);
 					stream->write_function(stream, "imei = %s\n", tech_pvt->imei);
 					stream->write_function(stream, "imsi = %s\n", tech_pvt->imsi);
@@ -2481,6 +2482,7 @@ SWITCH_STANDARD_API(gsmopen_dump_function)
 			stream->write_function(stream, "got_signal = %s\n", value);
 			snprintf(value, sizeof(value) - 1, "%d", tech_pvt->running);
 			stream->write_function(stream, "running = %s\n", value);
+			stream->write_function(stream, "subscriber_number = %s\n", tech_pvt->subscriber_number);
 			stream->write_function(stream, "operator = %s\n", tech_pvt->operator_name);
 			stream->write_function(stream, "imei = %s\n", tech_pvt->imei);
 			stream->write_function(stream, "imsi = %s\n", tech_pvt->imsi);
@@ -2811,6 +2813,7 @@ int dump_event_full(private_t *tech_pvt, int is_alarm, int alarm_code, const cha
 		switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "got_signal", value);
 		snprintf(value, sizeof(value) - 1, "%d", tech_pvt->running);
 		switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "running", value);
+		switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "subscriber_number", tech_pvt->subscriber_number);
 		switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "operator", tech_pvt->operator_name);
 		switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "imei", tech_pvt->imei);
 		switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "imsi", tech_pvt->imsi);