diff --git a/db_scripts/diff/15863.down b/db_scripts/diff/15863.down
new file mode 100644
index 00000000..35818c88
--- /dev/null
+++ b/db_scripts/diff/15863.down
@@ -0,0 +1,6 @@
+use provisioning;
+set autocommit=0;
+
+DELETE from voip_preferences WHERE attribute = "dnd";
+
+COMMIT;
\ No newline at end of file
diff --git a/db_scripts/diff/15863.up b/db_scripts/diff/15863.up
new file mode 100644
index 00000000..45a9e0fb
--- /dev/null
+++ b/db_scripts/diff/15863.up
@@ -0,0 +1,31 @@
+use provisioning;
+set autocommit=0;
+
+SET @group_id = (SELECT id FROM voip_preference_groups WHERE name = 'Access Restrictions' LIMIT 1);
+
+INSERT INTO voip_preferences SET
+voip_preference_groups_id = @group_id,
+attribute = 'dnd',
+label = 'Do Not Disturb (DND) mode',
+type = 1,
+max_occur = 1,
+usr_pref = 1,
+prof_pref = 1,
+dom_pref =  0,
+peer_pref = 0,
+contract_pref = 0,
+contract_location_pref = 0,
+dev_pref = 0,
+devprof_pref = 0,
+fielddev_pref = 0,
+modify_timestamp = now(),
+internal = 0,
+expose_to_customer = 1,
+data_type = 'boolean',
+read_only = 0,
+description = 'Enable Do Not Disturb (DND) mode. If activated the subscriber will not receive any call. The call forwards will not be taken into account.',
+dynamic = 0,
+reseller_pref = 0,
+expose_to_subscriber = 1;
+
+COMMIT;
\ No newline at end of file
diff --git a/schema/ngcp.sql b/schema/ngcp.sql
index 31e61179..9ff5fdc9 100644
--- a/schema/ngcp.sql
+++ b/schema/ngcp.sql
@@ -24,7 +24,7 @@ CREATE TABLE `db_schema` (
   PRIMARY KEY (`id`),
   UNIQUE KEY `rev_idx` (`revision`,`node`),
   KEY `release_idx` (`release`)
-) ENGINE=InnoDB AUTO_INCREMENT=909 DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci;
+) ENGINE=InnoDB AUTO_INCREMENT=910 DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8mb4 */;
@@ -30958,7 +30958,8 @@ INSERT INTO `db_schema` VALUES (904,15841,'spce','1970-01-01 00:00:01','trunk');
 INSERT INTO `db_schema` VALUES (905,15842,'spce','1970-01-01 00:00:01','trunk');
 INSERT INTO `db_schema` VALUES (906,15859,'spce','1970-01-01 00:00:01','trunk');
 INSERT INTO `db_schema` VALUES (907,15862,'spce','1970-01-01 00:00:01','trunk');
-INSERT INTO `db_schema` VALUES (908,15864,'spce','1970-01-01 00:00:01','trunk');
+INSERT INTO `db_schema` VALUES (908,15863,'spce','1970-01-01 00:00:01','trunk');
+INSERT INTO `db_schema` VALUES (909,15864,'spce','1970-01-01 00:00:01','trunk');
 commit;
 set autocommit=0;
 INSERT INTO `timezone` VALUES ('1','localtime','1970-01-01 00:00:01','1970-01-01 00:00:01',NULL);
diff --git a/schema/provisioning.sql b/schema/provisioning.sql
index ec6cde35..b4af8de0 100644
--- a/schema/provisioning.sql
+++ b/schema/provisioning.sql
@@ -1194,7 +1194,7 @@ CREATE TABLE `voip_preferences` (
   UNIQUE KEY `attribute_idx` (`attribute`),
   KEY `vpgid_ref` (`voip_preference_groups_id`),
   CONSTRAINT `vpgid_ref` FOREIGN KEY (`voip_preference_groups_id`) REFERENCES `voip_preference_groups` (`id`) ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=410 DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci;
+) ENGINE=InnoDB AUTO_INCREMENT=411 DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8mb4 */;
@@ -4159,6 +4159,7 @@ INSERT INTO `voip_preferences` VALUES (406,9,'aa_wrongkey_repetition','Auto-Atte
 INSERT INTO `voip_preferences` VALUES (407,3,'enable_2fa','2-Factor Authentication (2FA)',0,1,1,1,1,0,0,0,0,0,0,'1970-01-01 00:00:01',0,1,'boolean',0,'Enable Time-based One-Time-Password (TOTP) Multifactor Authentication for Subscriber CSC logins.',0,0,1);
 INSERT INTO `voip_preferences` VALUES (408,3,'otp_secret','OTP Secret',0,1,1,0,0,0,0,0,0,0,0,'1970-01-01 00:00:01',1,0,'string',1,'Time-based One-Time-Password (TOTP) secret (RFC 6238).',0,0,0);
 INSERT INTO `voip_preferences` VALUES (409,3,'show_otp_registration_info','Show OTP Registration Info',0,1,1,0,0,0,0,0,0,0,0,'1970-01-01 00:00:01',1,0,'boolean',1,'Show Time-based One-Time-Password (TOTP) secret and registration info for the next CSC logins.',0,0,0);
+INSERT INTO `voip_preferences` VALUES (410,3,'dnd','Do Not Disturb (DND) mode',1,1,1,1,0,0,0,0,0,0,0,'1970-01-01 00:00:01',0,1,'boolean',0,'Enable Do Not Disturb (DND) mode.',0,0,1);
 commit;
 set autocommit=0;
 INSERT INTO `voip_preferences_enum` VALUES (8,62,'use domain default',NULL,1,1,0,0,NULL,0,0,0,0,NULL,NULL);