diff --git a/android/gatt.c b/android/gatt.c
index ebda377..67a1330 100644
--- a/android/gatt.c
+++ b/android/gatt.c
@@ -4116,7 +4116,8 @@ static uint8_t read_request(const uint8_t *cmd, uint16_t cmd_len,
 		return ATT_ECODE_REQ_NOT_SUPP;
 	}
 
-	if (!gatt_db_read(gatt_db, handle, offset, cmd[0], &dev->bdaddr))
+	if (!gatt_db_read(gatt_db, handle, offset, cmd[0], &dev->bdaddr, NULL,
+									NULL))
 		return ATT_ECODE_UNLIKELY;
 
 	return 0;
diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c
index ebfd586..41db7d2 100644
--- a/src/shared/gatt-db.c
+++ b/src/shared/gatt-db.c
@@ -684,12 +684,16 @@ static bool find_service_for_handle(const void *data, const void *user_data)
 }
 
 bool gatt_db_read(struct gatt_db *db, uint16_t handle, uint16_t offset,
-				uint8_t att_opcode, bdaddr_t *bdaddr)
+				uint8_t att_opcode, bdaddr_t *bdaddr,
+				uint8_t **value, int *length)
 {
 	struct gatt_db_service *service;
 	uint16_t service_handle;
 	struct gatt_db_attribute *a;
 
+	if (!value || !length)
+		return false;
+
 	service = queue_find(db->services, find_service_for_handle,
 						INT_TO_PTR(handle));
 	if (!service)
@@ -698,10 +702,24 @@ bool gatt_db_read(struct gatt_db *db, uint16_t handle, uint16_t offset,
 	service_handle = service->attributes[0]->handle;
 
 	a = service->attributes[handle - service_handle];
-	if (!a || !a->read_func)
+	if (!a)
 		return false;
 
-	a->read_func(handle, offset, att_opcode, bdaddr, a->user_data);
+	/*
+	 * We call callback, and set length to -1, to notify user that callback
+	 * has been called. Otherwise we set length to value length in database.
+	 */
+	if (a->read_func) {
+		*value = NULL;
+		*length = -1;
+		a->read_func(handle, offset, att_opcode, bdaddr, a->user_data);
+	} else {
+		if (offset > a->value_len)
+			return false;
+
+		*value = &a->value[offset];
+		*length = a->value_len - offset;
+	}
 
 	return true;
 }
diff --git a/src/shared/gatt-db.h b/src/shared/gatt-db.h
index f704b8e..62bac41 100644
--- a/src/shared/gatt-db.h
+++ b/src/shared/gatt-db.h
@@ -106,7 +106,8 @@ void gatt_db_find_information(struct gatt_db *db, uint16_t start_handle,
 							struct queue *queue);
 
 bool gatt_db_read(struct gatt_db *db, uint16_t handle, uint16_t offset,
-					uint8_t att_opcode, bdaddr_t *bdaddr);
+					uint8_t att_opcode, bdaddr_t *bdaddr,
+					uint8_t **value, int *length);
 
 bool gatt_db_write(struct gatt_db *db, uint16_t handle, uint16_t offset,
 					const uint8_t *value, size_t len,