diff --git a/db_scripts/diff/15795.down b/db_scripts/diff/15795.down
new file mode 100644
index 00000000..626a9fad
--- /dev/null
+++ b/db_scripts/diff/15795.down
@@ -0,0 +1,190 @@
+USE provisioning;
+
+
+DELIMITER ;;
+CREATE OR REPLACE PROCEDURE update_sound_set_handle_parents(IN u_sound_set_id INT, IN u_handle_id INT)
+BEGIN
+    IF u_sound_set_id IS NOT NULL THEN
+        DELETE p FROM voip_sound_set_handle_parents p
+         WHERE set_id = u_sound_set_id
+           AND NOT EXISTS (SELECT id
+                             FROM voip_sound_sets
+                            WHERE id = u_sound_set_id);
+
+        IF u_handle_id IS NOT NULL THEN
+            DELETE p FROM voip_sound_set_handle_parents p
+             WHERE set_id IN (
+                WITH RECURSIVE cte as (
+                    SELECT s.id
+                      FROM voip_sound_sets s
+                     WHERE id = u_sound_set_id
+                    UNION
+                    SELECT s.id
+                      FROM voip_sound_sets s
+                      JOIN cte ON cte.id = s.parent_id
+                )
+                SELECT id
+                  FROM cte
+             )
+               AND handle_id = u_handle_id;
+
+            INSERT INTO voip_sound_set_handle_parents(set_id, handle_id, parent_set_id, parent_chain)
+            WITH RECURSIVE cte as (
+                SELECT v.id AS set_id, v.handle_id,
+                           v.id AS data_set_id,
+                           CAST('' AS CHAR(4096)) AS parent_chain,
+                           CAST(0 as unsigned) AS affected
+                  FROM (SELECT s.*, h.id as handle_id
+                          FROM (voip_sound_sets s, voip_sound_handles h)
+                       ) AS v
+                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                 WHERE v.id = (
+                    WITH RECURSIVE cte as (
+                        SELECT s.id, s.parent_id, CAST(0 as unsigned) as iter
+                          FROM voip_sound_sets s
+                         WHERE id = u_sound_set_id
+                        UNION
+                        SELECT s.id, s.parent_id, iter+1 as iter
+                          FROM voip_sound_sets s
+                          JOIN cte ON cte.parent_id = s.id
+                    )
+                    SELECT id
+                      FROM cte
+                     WHERE iter = (SELECT max(iter) from cte)
+                 )
+                   AND v.handle_id = u_handle_id
+                 UNION
+                SELECT v.id AS set_id, v.handle_id,
+                       IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,
+                       CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain,
+                       IF(v.id = u_sound_set_id OR v.parent_id = u_sound_set_id OR affected = 1, 1, 0)
+                  FROM (SELECT s.*, h.id as handle_id, h.name as handle_name
+                        FROM (voip_sound_sets s, voip_sound_handles h)
+                       ) AS v
+                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                  JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id
+            )
+            SELECT set_id, handle_id,
+                   IF(data_set_id = set_id, NULL, data_set_id) as data_set_id,
+                   parent_chain
+              FROM cte
+             WHERE set_id = u_sound_set_id OR affected = 1;
+        ELSE
+            DELETE p FROM voip_sound_set_handle_parents p
+             WHERE set_id IN (
+                WITH RECURSIVE cte as (
+                    SELECT s.id
+                      FROM voip_sound_sets s
+                     WHERE id = u_sound_set_id
+                    UNION
+                    SELECT s.id
+                      FROM voip_sound_sets s
+                      JOIN cte ON cte.id = s.parent_id
+                )
+                SELECT id
+                  FROM cte
+             );
+
+            INSERT INTO voip_sound_set_handle_parents(set_id, handle_id, parent_set_id, parent_chain)
+            WITH RECURSIVE cte as (
+                SELECT v.id AS set_id, v.handle_id,
+                           v.id AS data_set_id,
+                           CAST('' AS CHAR(4096)) AS parent_chain,
+                           CAST(0 as unsigned) AS affected
+                  FROM (SELECT s.*, h.id as handle_id
+                          FROM (voip_sound_sets s, voip_sound_handles h)
+                       ) AS v
+                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                 WHERE v.id = (
+                    WITH RECURSIVE cte as (
+                        SELECT s.id, s.parent_id, CAST(0 as unsigned) as iter
+                          FROM voip_sound_sets s
+                         WHERE id = u_sound_set_id
+                        UNION
+                        SELECT s.id, s.parent_id, iter+1 as iter
+                          FROM voip_sound_sets s
+                          JOIN cte ON cte.parent_id = s.id
+                    )
+                    SELECT id
+                      FROM cte
+                     WHERE iter = (SELECT max(iter) from cte)
+                 )
+                 UNION
+                SELECT v.id AS set_id, v.handle_id,
+                       IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,
+                       CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain,
+                       IF(v.id = u_sound_set_id OR v.parent_id = u_sound_set_id OR affected = 1, 1, 0)
+                  FROM (SELECT s.*, h.id as handle_id, h.name as handle_name
+                        FROM (voip_sound_sets s, voip_sound_handles h)
+                       ) AS v
+                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                  JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id
+            )
+            SELECT set_id, handle_id,
+                   IF(data_set_id = set_id, NULL, data_set_id) as data_set_id,
+                   parent_chain
+              FROM cte
+             WHERE set_id = u_sound_set_id OR affected = 1;
+        END IF;
+    ELSE
+        IF u_handle_id IS NOT NULL THEN
+            DELETE FROM voip_sound_set_handle_parents WHERE handle_id = u_handle_id;
+
+            INSERT INTO voip_sound_set_handle_parents(set_id, handle_id, parent_set_id, parent_chain)
+            WITH RECURSIVE cte as (
+                    SELECT v.id AS set_id, v.handle_id,
+                           v.id AS data_set_id,
+                           CAST('' AS CHAR(4096)) AS parent_chain
+                      FROM (SELECT s.*, h.id as handle_id
+                            FROM (voip_sound_sets s, voip_sound_handles h)
+                           ) AS v
+                      LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                     WHERE v.parent_id IS NULL
+                       AND v.handle_id = u_handle_id
+                     UNION
+                    SELECT v.id AS set_id, v.handle_id,
+                           IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,
+                           CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain
+                      FROM (SELECT s.*, h.id as handle_id, h.name as handle_name
+                            FROM (voip_sound_sets s, voip_sound_handles h)
+                           ) AS v
+                      LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                      JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id
+            )
+            SELECT set_id, handle_id,
+                   IF(data_set_id = set_id, NULL, data_set_id) as data_set_id,
+                   parent_chain
+              FROM cte;
+        ELSE
+            DELETE FROM voip_sound_set_handle_parents;
+
+            INSERT INTO voip_sound_set_handle_parents(set_id, handle_id, parent_set_id, parent_chain)
+            WITH RECURSIVE cte as (
+                    SELECT v.id AS set_id, v.handle_id,
+                           v.id AS data_set_id,
+                           CAST('' AS CHAR(4096)) AS parent_chain
+                      FROM (SELECT s.*, h.id as handle_id
+                            FROM (voip_sound_sets s, voip_sound_handles h)
+                           ) AS v
+                      LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                     WHERE v.parent_id IS NULL
+                     UNION
+                    SELECT v.id AS set_id, v.handle_id,
+                           IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,
+                           CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain
+                      FROM (SELECT s.*, h.id as handle_id, h.name as handle_name
+                            FROM (voip_sound_sets s, voip_sound_handles h)
+                           ) AS v
+                      LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                      JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id
+            )
+            SELECT set_id, handle_id,
+                   IF(data_set_id = set_id, NULL, data_set_id) as data_set_id,
+                   parent_chain
+              FROM cte;
+        END IF;
+    END IF;
+
+END ;;
+DELIMITER ;
+
diff --git a/db_scripts/diff/15795.up b/db_scripts/diff/15795.up
new file mode 100644
index 00000000..b0072b44
--- /dev/null
+++ b/db_scripts/diff/15795.up
@@ -0,0 +1,265 @@
+USE provisioning;
+
+
+DELIMITER ;;
+CREATE OR REPLACE PROCEDURE update_sound_set_handle_parents(IN u_sound_set_id INT, IN u_handle_id INT)
+BEGIN
+    /* declare */
+    DECLARE done INT DEFAULT FALSE;
+
+
+    DECLARE x_set_id INT DEFAULT 0;
+    DECLARE x_handle_id INT DEFAULT 0;
+    DECLARE x_parent_set_id INT DEFAULT NULL;
+    DECLARE x_parent_chain VARCHAR(255) DEFAULT '';
+
+
+    /* u_sound_set_id and u_handle_id */
+    DECLARE x_sound_set_handle CURSOR FOR
+        WITH RECURSIVE cte as (
+            SELECT v.id AS set_id, v.handle_id,
+                       v.id AS data_set_id,
+                       CAST('' AS CHAR(4096)) AS parent_chain,
+                       CAST(0 as unsigned) AS affected
+              FROM (SELECT s.*, h.id as handle_id
+                      FROM (voip_sound_sets s, voip_sound_handles h)
+                   ) AS v
+              LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+             WHERE v.id = (
+                WITH RECURSIVE cte as (
+                    SELECT s.id, s.parent_id, CAST(0 as unsigned) as iter
+                      FROM voip_sound_sets s
+                     WHERE id = u_sound_set_id
+                    UNION
+                    SELECT s.id, s.parent_id, iter+1 as iter
+                      FROM voip_sound_sets s
+                      JOIN cte ON cte.parent_id = s.id
+                )
+                SELECT id
+                  FROM cte
+                 WHERE iter = (SELECT max(iter) from cte)
+             )
+               AND v.handle_id = u_handle_id
+             UNION
+            SELECT v.id AS set_id, v.handle_id,
+                   IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,
+                   CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain,
+                   IF(v.id = u_sound_set_id OR v.parent_id = u_sound_set_id OR affected = 1, 1, 0)
+              FROM (SELECT s.*, h.id as handle_id, h.name as handle_name
+                    FROM (voip_sound_sets s, voip_sound_handles h)
+                   ) AS v
+              LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+              JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id
+        )
+        SELECT set_id, handle_id,
+               IF(data_set_id = set_id, NULL, data_set_id) as parent_set_id,
+               parent_chain
+          FROM cte
+         WHERE set_id = u_sound_set_id OR affected = 1;
+
+
+    /* u_sound_set_id */
+    DECLARE x_sound_set CURSOR FOR
+        WITH RECURSIVE cte as (
+            SELECT v.id AS set_id, v.handle_id,
+                       v.id AS data_set_id,
+                       CAST('' AS CHAR(4096)) AS parent_chain,
+                       CAST(0 as unsigned) AS affected
+              FROM (SELECT s.*, h.id as handle_id
+                      FROM (voip_sound_sets s, voip_sound_handles h)
+                   ) AS v
+              LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+             WHERE v.id = (
+                WITH RECURSIVE cte as (
+                    SELECT s.id, s.parent_id, CAST(0 as unsigned) as iter
+                      FROM voip_sound_sets s
+                     WHERE id = u_sound_set_id
+                    UNION
+                    SELECT s.id, s.parent_id, iter+1 as iter
+                      FROM voip_sound_sets s
+                      JOIN cte ON cte.parent_id = s.id
+                )
+                SELECT id
+                  FROM cte
+                 WHERE iter = (SELECT max(iter) from cte)
+             )
+             UNION
+            SELECT v.id AS set_id, v.handle_id,
+                   IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,
+                   CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain,
+                   IF(v.id = u_sound_set_id OR v.parent_id = u_sound_set_id OR affected = 1, 1, 0)
+              FROM (SELECT s.*, h.id as handle_id, h.name as handle_name
+                    FROM (voip_sound_sets s, voip_sound_handles h)
+                   ) AS v
+              LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+              JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id
+        )
+        SELECT set_id, handle_id,
+               IF(data_set_id = set_id, NULL, data_set_id) as parent_set_id,
+               parent_chain
+          FROM cte
+         WHERE set_id = u_sound_set_id OR affected = 1;
+
+
+
+    /* u_handle_id */
+    DECLARE x_handle CURSOR FOR
+        WITH RECURSIVE cte as (
+                SELECT v.id AS set_id, v.handle_id,
+                       v.id AS data_set_id,
+                       CAST('' AS CHAR(4096)) AS parent_chain
+                  FROM (SELECT s.*, h.id as handle_id
+                        FROM (voip_sound_sets s, voip_sound_handles h)
+                       ) AS v
+                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                 WHERE v.parent_id IS NULL
+                   AND v.handle_id = u_handle_id
+                 UNION
+                SELECT v.id AS set_id, v.handle_id,
+                       IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,
+                       CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain
+                  FROM (SELECT s.*, h.id as handle_id, h.name as handle_name
+                        FROM (voip_sound_sets s, voip_sound_handles h)
+                       ) AS v
+                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                  JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id
+        )
+        SELECT set_id, handle_id,
+               IF(data_set_id = set_id, NULL, data_set_id) as parent_set_id,
+               parent_chain
+          FROM cte;
+
+
+    /* none */
+    DECLARE x CURSOR FOR
+        WITH RECURSIVE cte as (
+                SELECT v.id AS set_id, v.handle_id,
+                       v.id AS data_set_id,
+                       CAST('' AS CHAR(4096)) AS parent_chain
+                  FROM (SELECT s.*, h.id as handle_id
+                        FROM (voip_sound_sets s, voip_sound_handles h)
+                       ) AS v
+                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                 WHERE v.parent_id IS NULL
+                 UNION
+                SELECT v.id AS set_id, v.handle_id,
+                       IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,
+                       CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain
+                  FROM (SELECT s.*, h.id as handle_id, h.name as handle_name
+                        FROM (voip_sound_sets s, voip_sound_handles h)
+                       ) AS v
+                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id
+                  JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id
+        )
+        SELECT set_id, handle_id,
+               IF(data_set_id = set_id, NULL, data_set_id) as parent_set_id,
+               parent_chain
+          FROM cte;
+
+
+    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=TRUE;
+
+
+    /* code */
+    IF u_sound_set_id IS NOT NULL THEN
+        DELETE p FROM voip_sound_set_handle_parents p
+         WHERE set_id = u_sound_set_id
+           AND NOT EXISTS (SELECT id
+                             FROM voip_sound_sets
+                            WHERE id = u_sound_set_id);
+
+        IF u_handle_id IS NOT NULL THEN
+            DELETE p FROM voip_sound_set_handle_parents p
+             WHERE set_id IN (
+                WITH RECURSIVE cte as (
+                    SELECT s.id
+                      FROM voip_sound_sets s
+                     WHERE id = u_sound_set_id
+                    UNION
+                    SELECT s.id
+                      FROM voip_sound_sets s
+                      JOIN cte ON cte.id = s.parent_id
+                )
+                SELECT id
+                  FROM cte
+             )
+               AND handle_id = u_handle_id;
+
+            OPEN x_sound_set_handle;
+            iter: LOOP
+                FETCH x_sound_set_handle INTO x_set_id, x_handle_id, x_parent_set_id, x_parent_chain;
+                IF done THEN
+                    LEAVE iter;
+                END IF;
+                INSERT INTO voip_sound_set_handle_parents
+                    (set_id, handle_id, parent_set_id, parent_chain)
+                VALUES
+                    (x_set_id, x_handle_id, x_parent_set_id, x_parent_chain);
+            END LOOP;
+            CLOSE x_sound_set_handle;
+        ELSE
+            DELETE p FROM voip_sound_set_handle_parents p
+             WHERE set_id IN (
+                WITH RECURSIVE cte as (
+                    SELECT s.id
+                      FROM voip_sound_sets s
+                     WHERE id = u_sound_set_id
+                    UNION
+                    SELECT s.id
+                      FROM voip_sound_sets s
+                      JOIN cte ON cte.id = s.parent_id
+                )
+                SELECT id
+                  FROM cte
+             );
+
+            OPEN x_sound_set;
+            iter: LOOP
+                FETCH x_sound_set INTO x_set_id, x_handle_id, x_parent_set_id, x_parent_chain;
+                IF done THEN
+                    LEAVE iter;
+                END IF;
+                INSERT INTO voip_sound_set_handle_parents
+                    (set_id, handle_id, parent_set_id, parent_chain)
+                VALUES
+                    (x_set_id, x_handle_id, x_parent_set_id, x_parent_chain);
+            END LOOP;
+            CLOSE x_sound_set;
+        END IF;
+    ELSE
+        IF u_handle_id IS NOT NULL THEN
+            DELETE FROM voip_sound_set_handle_parents WHERE handle_id = u_handle_id;
+
+            OPEN x_handle;
+            iter: LOOP
+                FETCH x_handle INTO x_set_id, x_handle_id, x_parent_set_id, x_parent_chain;
+                IF done THEN
+                    LEAVE iter;
+                END IF;
+                INSERT INTO voip_sound_set_handle_parents
+                    (set_id, handle_id, parent_set_id, parent_chain)
+                VALUES
+                    (x_set_id, x_handle_id, x_parent_set_id, x_parent_chain);
+            END LOOP;
+            CLOSE x_handle;
+        ELSE
+            DELETE FROM voip_sound_set_handle_parents;
+
+            OPEN x;
+            iter: LOOP
+                FETCH x INTO x_set_id, x_handle_id, x_parent_set_id, x_parent_chain;
+                IF done THEN
+                    LEAVE iter;
+                END IF;
+                INSERT INTO voip_sound_set_handle_parents
+                    (set_id, handle_id, parent_set_id, parent_chain)
+                VALUES
+                    (x_set_id, x_handle_id, x_parent_set_id, x_parent_chain);
+            END LOOP;
+            CLOSE x;
+        END IF;
+    END IF;
+
+END ;;
+DELIMITER ;
+
diff --git a/schema/kamailio.sql b/schema/kamailio.sql
index 8d485fb7..792b7c47 100644
--- a/schema/kamailio.sql
+++ b/schema/kamailio.sql
@@ -790,7 +790,7 @@ CREATE TABLE `subscriber` (
   KEY `uuid_idx` (`uuid`)
 ) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
-INSERT INTO `subscriber` VALUES (1,'no_such_number','voip.sipwise.local','5c83b8a56cdaf703a441375173c4bdd6','be82b94cb3ba2e0d0d2bd353cd59bf14','56e994cfc891e49bce455d0673b12448','9bcb88b6-541a-43da-8fdc-816f5557ff93','',NOW());
+INSERT INTO `subscriber` VALUES (1,'no_such_number','voip.sipwise.local','3cef5290e9aa18bbbff0d1e4af3d63b9','f2d7cff002695b2df8bde1522807d628','0b1cd18cb06a6ec429d04104cc1041d5','9bcb88b6-541a-43da-8fdc-816f5557ff93','',NOW());
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `trusted` (
diff --git a/schema/ngcp.sql b/schema/ngcp.sql
index 89247e0f..0ebe09da 100644
--- a/schema/ngcp.sql
+++ b/schema/ngcp.sql
@@ -30014,7 +30014,7 @@ CREATE TABLE `db_schema` (
   `applied_at` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
   PRIMARY KEY (`id`),
   UNIQUE KEY `rev_idx` (`revision`,`node`)
-) ENGINE=InnoDB AUTO_INCREMENT=833 DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;
+) ENGINE=InnoDB AUTO_INCREMENT=834 DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
 INSERT INTO `db_schema` VALUES (1,10,'spce',NOW());
 INSERT INTO `db_schema` VALUES (2,20,'spce',NOW());
@@ -30848,6 +30848,7 @@ INSERT INTO `db_schema` VALUES (829,15766,'spce',NOW());
 INSERT INTO `db_schema` VALUES (830,15767,'spce',NOW());
 INSERT INTO `db_schema` VALUES (831,15775,'spce',NOW());
 INSERT INTO `db_schema` VALUES (832,15790,'spce',NOW());
+INSERT INTO `db_schema` VALUES (833,15795,'spce',NOW());
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `timezone` (
diff --git a/schema/provisioning.json b/schema/provisioning.json
index 8ad0d58b..c6b03592 100644
--- a/schema/provisioning.json
+++ b/schema/provisioning.json
@@ -12933,7 +12933,7 @@
          "key_col" : "ip_is_ipv6"
       },
       "update_sound_set_handle_parents" : {
-         "ROUTINE_DEFINITION" : "BEGIN\n    IF u_sound_set_id IS NOT NULL THEN\n        DELETE p FROM voip_sound_set_handle_parents p\n         WHERE set_id = u_sound_set_id\n           AND NOT EXISTS (SELECT id\n                             FROM voip_sound_sets\n                            WHERE id = u_sound_set_id);\n\n        IF u_handle_id IS NOT NULL THEN\n            DELETE p FROM voip_sound_set_handle_parents p\n             WHERE set_id IN (\n                WITH RECURSIVE cte as (\n                    SELECT s.id\n                      FROM voip_sound_sets s\n                     WHERE id = u_sound_set_id\n                    UNION\n                    SELECT s.id\n                      FROM voip_sound_sets s\n                      JOIN cte ON cte.id = s.parent_id\n                )\n                SELECT id\n                  FROM cte\n             )\n               AND handle_id = u_handle_id;\n\n            INSERT INTO voip_sound_set_handle_parents(set_id, handle_id, parent_set_id, parent_chain)\n            WITH RECURSIVE cte as (\n                SELECT v.id AS set_id, v.handle_id,\n                           v.id AS data_set_id,\n                           CAST('' AS CHAR(4096)) AS parent_chain,\n                           CAST(0 as unsigned) AS affected\n                  FROM (SELECT s.*, h.id as handle_id\n                          FROM (voip_sound_sets s, voip_sound_handles h)\n                       ) AS v\n                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                 WHERE v.id = (\n                    WITH RECURSIVE cte as (\n                        SELECT s.id, s.parent_id, CAST(0 as unsigned) as iter\n                          FROM voip_sound_sets s\n                         WHERE id = u_sound_set_id\n                        UNION\n                        SELECT s.id, s.parent_id, iter+1 as iter\n                          FROM voip_sound_sets s\n                          JOIN cte ON cte.parent_id = s.id\n                    )\n                    SELECT id\n                      FROM cte\n                     WHERE iter = (SELECT max(iter) from cte)\n                 )\n                   AND v.handle_id = u_handle_id\n                 UNION\n                SELECT v.id AS set_id, v.handle_id,\n                       IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,\n                       CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain,\n                       IF(v.id = u_sound_set_id OR v.parent_id = u_sound_set_id OR affected = 1, 1, 0)\n                  FROM (SELECT s.*, h.id as handle_id, h.name as handle_name\n                        FROM (voip_sound_sets s, voip_sound_handles h)\n                       ) AS v\n                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                  JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id\n            )\n            SELECT set_id, handle_id,\n                   IF(data_set_id = set_id, NULL, data_set_id) as data_set_id,\n                   parent_chain\n              FROM cte\n             WHERE set_id = u_sound_set_id OR affected = 1;\n        ELSE\n            DELETE p FROM voip_sound_set_handle_parents p\n             WHERE set_id IN (\n                WITH RECURSIVE cte as (\n                    SELECT s.id\n                      FROM voip_sound_sets s\n                     WHERE id = u_sound_set_id\n                    UNION\n                    SELECT s.id\n                      FROM voip_sound_sets s\n                      JOIN cte ON cte.id = s.parent_id\n                )\n                SELECT id\n                  FROM cte\n             );\n\n            INSERT INTO voip_sound_set_handle_parents(set_id, handle_id, parent_set_id, parent_chain)\n            WITH RECURSIVE cte as (\n                SELECT v.id AS set_id, v.handle_id,\n                           v.id AS data_set_id,\n                           CAST('' AS CHAR(4096)) AS parent_chain,\n                           CAST(0 as unsigned) AS affected\n                  FROM (SELECT s.*, h.id as handle_id\n                          FROM (voip_sound_sets s, voip_sound_handles h)\n                       ) AS v\n                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                 WHERE v.id = (\n                    WITH RECURSIVE cte as (\n                        SELECT s.id, s.parent_id, CAST(0 as unsigned) as iter\n                          FROM voip_sound_sets s\n                         WHERE id = u_sound_set_id\n                        UNION\n                        SELECT s.id, s.parent_id, iter+1 as iter\n                          FROM voip_sound_sets s\n                          JOIN cte ON cte.parent_id = s.id\n                    )\n                    SELECT id\n                      FROM cte\n                     WHERE iter = (SELECT max(iter) from cte)\n                 )\n                 UNION\n                SELECT v.id AS set_id, v.handle_id,\n                       IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,\n                       CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain,\n                       IF(v.id = u_sound_set_id OR v.parent_id = u_sound_set_id OR affected = 1, 1, 0)\n                  FROM (SELECT s.*, h.id as handle_id, h.name as handle_name\n                        FROM (voip_sound_sets s, voip_sound_handles h)\n                       ) AS v\n                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                  JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id\n            )\n            SELECT set_id, handle_id,\n                   IF(data_set_id = set_id, NULL, data_set_id) as data_set_id,\n                   parent_chain\n              FROM cte\n             WHERE set_id = u_sound_set_id OR affected = 1;\n        END IF;\n    ELSE\n        IF u_handle_id IS NOT NULL THEN\n            DELETE FROM voip_sound_set_handle_parents WHERE handle_id = u_handle_id;\n\n            INSERT INTO voip_sound_set_handle_parents(set_id, handle_id, parent_set_id, parent_chain)\n            WITH RECURSIVE cte as (\n                    SELECT v.id AS set_id, v.handle_id,\n                           v.id AS data_set_id,\n                           CAST('' AS CHAR(4096)) AS parent_chain\n                      FROM (SELECT s.*, h.id as handle_id\n                            FROM (voip_sound_sets s, voip_sound_handles h)\n                           ) AS v\n                      LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                     WHERE v.parent_id IS NULL\n                       AND v.handle_id = u_handle_id\n                     UNION\n                    SELECT v.id AS set_id, v.handle_id,\n                           IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,\n                           CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain\n                      FROM (SELECT s.*, h.id as handle_id, h.name as handle_name\n                            FROM (voip_sound_sets s, voip_sound_handles h)\n                           ) AS v\n                      LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                      JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id\n            )\n            SELECT set_id, handle_id,\n                   IF(data_set_id = set_id, NULL, data_set_id) as data_set_id,\n                   parent_chain\n              FROM cte;\n        ELSE\n            DELETE FROM voip_sound_set_handle_parents;\n\n            INSERT INTO voip_sound_set_handle_parents(set_id, handle_id, parent_set_id, parent_chain)\n            WITH RECURSIVE cte as (\n                    SELECT v.id AS set_id, v.handle_id,\n                           v.id AS data_set_id,\n                           CAST('' AS CHAR(4096)) AS parent_chain\n                      FROM (SELECT s.*, h.id as handle_id\n                            FROM (voip_sound_sets s, voip_sound_handles h)\n                           ) AS v\n                      LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                     WHERE v.parent_id IS NULL\n                     UNION\n                    SELECT v.id AS set_id, v.handle_id,\n                           IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,\n                           CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain\n                      FROM (SELECT s.*, h.id as handle_id, h.name as handle_name\n                            FROM (voip_sound_sets s, voip_sound_handles h)\n                           ) AS v\n                      LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                      JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id\n            )\n            SELECT set_id, handle_id,\n                   IF(data_set_id = set_id, NULL, data_set_id) as data_set_id,\n                   parent_chain\n              FROM cte;\n        END IF;\n    END IF;\n\nEND",
+         "ROUTINE_DEFINITION" : "BEGIN\n    \n    DECLARE done INT DEFAULT FALSE;\n\n\n    DECLARE x_set_id INT DEFAULT 0;\n    DECLARE x_handle_id INT DEFAULT 0;\n    DECLARE x_parent_set_id INT DEFAULT NULL;\n    DECLARE x_parent_chain VARCHAR(255) DEFAULT '';\n\n\n    \n    DECLARE x_sound_set_handle CURSOR FOR\n        WITH RECURSIVE cte as (\n            SELECT v.id AS set_id, v.handle_id,\n                       v.id AS data_set_id,\n                       CAST('' AS CHAR(4096)) AS parent_chain,\n                       CAST(0 as unsigned) AS affected\n              FROM (SELECT s.*, h.id as handle_id\n                      FROM (voip_sound_sets s, voip_sound_handles h)\n                   ) AS v\n              LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n             WHERE v.id = (\n                WITH RECURSIVE cte as (\n                    SELECT s.id, s.parent_id, CAST(0 as unsigned) as iter\n                      FROM voip_sound_sets s\n                     WHERE id = u_sound_set_id\n                    UNION\n                    SELECT s.id, s.parent_id, iter+1 as iter\n                      FROM voip_sound_sets s\n                      JOIN cte ON cte.parent_id = s.id\n                )\n                SELECT id\n                  FROM cte\n                 WHERE iter = (SELECT max(iter) from cte)\n             )\n               AND v.handle_id = u_handle_id\n             UNION\n            SELECT v.id AS set_id, v.handle_id,\n                   IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,\n                   CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain,\n                   IF(v.id = u_sound_set_id OR v.parent_id = u_sound_set_id OR affected = 1, 1, 0)\n              FROM (SELECT s.*, h.id as handle_id, h.name as handle_name\n                    FROM (voip_sound_sets s, voip_sound_handles h)\n                   ) AS v\n              LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n              JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id\n        )\n        SELECT set_id, handle_id,\n               IF(data_set_id = set_id, NULL, data_set_id) as parent_set_id,\n               parent_chain\n          FROM cte\n         WHERE set_id = u_sound_set_id OR affected = 1;\n\n\n    \n    DECLARE x_sound_set CURSOR FOR\n        WITH RECURSIVE cte as (\n            SELECT v.id AS set_id, v.handle_id,\n                       v.id AS data_set_id,\n                       CAST('' AS CHAR(4096)) AS parent_chain,\n                       CAST(0 as unsigned) AS affected\n              FROM (SELECT s.*, h.id as handle_id\n                      FROM (voip_sound_sets s, voip_sound_handles h)\n                   ) AS v\n              LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n             WHERE v.id = (\n                WITH RECURSIVE cte as (\n                    SELECT s.id, s.parent_id, CAST(0 as unsigned) as iter\n                      FROM voip_sound_sets s\n                     WHERE id = u_sound_set_id\n                    UNION\n                    SELECT s.id, s.parent_id, iter+1 as iter\n                      FROM voip_sound_sets s\n                      JOIN cte ON cte.parent_id = s.id\n                )\n                SELECT id\n                  FROM cte\n                 WHERE iter = (SELECT max(iter) from cte)\n             )\n             UNION\n            SELECT v.id AS set_id, v.handle_id,\n                   IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,\n                   CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain,\n                   IF(v.id = u_sound_set_id OR v.parent_id = u_sound_set_id OR affected = 1, 1, 0)\n              FROM (SELECT s.*, h.id as handle_id, h.name as handle_name\n                    FROM (voip_sound_sets s, voip_sound_handles h)\n                   ) AS v\n              LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n              JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id\n        )\n        SELECT set_id, handle_id,\n               IF(data_set_id = set_id, NULL, data_set_id) as parent_set_id,\n               parent_chain\n          FROM cte\n         WHERE set_id = u_sound_set_id OR affected = 1;\n\n\n\n    \n    DECLARE x_handle CURSOR FOR\n        WITH RECURSIVE cte as (\n                SELECT v.id AS set_id, v.handle_id,\n                       v.id AS data_set_id,\n                       CAST('' AS CHAR(4096)) AS parent_chain\n                  FROM (SELECT s.*, h.id as handle_id\n                        FROM (voip_sound_sets s, voip_sound_handles h)\n                       ) AS v\n                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                 WHERE v.parent_id IS NULL\n                   AND v.handle_id = u_handle_id\n                 UNION\n                SELECT v.id AS set_id, v.handle_id,\n                       IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,\n                       CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain\n                  FROM (SELECT s.*, h.id as handle_id, h.name as handle_name\n                        FROM (voip_sound_sets s, voip_sound_handles h)\n                       ) AS v\n                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                  JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id\n        )\n        SELECT set_id, handle_id,\n               IF(data_set_id = set_id, NULL, data_set_id) as parent_set_id,\n               parent_chain\n          FROM cte;\n\n\n    \n    DECLARE x CURSOR FOR\n        WITH RECURSIVE cte as (\n                SELECT v.id AS set_id, v.handle_id,\n                       v.id AS data_set_id,\n                       CAST('' AS CHAR(4096)) AS parent_chain\n                  FROM (SELECT s.*, h.id as handle_id\n                        FROM (voip_sound_sets s, voip_sound_handles h)\n                       ) AS v\n                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                 WHERE v.parent_id IS NULL\n                 UNION\n                SELECT v.id AS set_id, v.handle_id,\n                       IF(f.use_parent = 0, v.id, cte.data_set_id) AS data_set_id,\n                       CONCAT(v.parent_id, IF(LENGTH(cte.parent_chain) > 1, ':', ''), cte.parent_chain) as parent_chain\n                  FROM (SELECT s.*, h.id as handle_id, h.name as handle_name\n                        FROM (voip_sound_sets s, voip_sound_handles h)\n                       ) AS v\n                  LEFT JOIN voip_sound_files f ON f.handle_id = v.handle_id AND f.set_id = v.id\n                  JOIN cte ON cte.set_id = v.parent_id AND cte.handle_id = v.handle_id\n        )\n        SELECT set_id, handle_id,\n               IF(data_set_id = set_id, NULL, data_set_id) as parent_set_id,\n               parent_chain\n          FROM cte;\n\n\n    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=TRUE;\n\n\n    \n    IF u_sound_set_id IS NOT NULL THEN\n        DELETE p FROM voip_sound_set_handle_parents p\n         WHERE set_id = u_sound_set_id\n           AND NOT EXISTS (SELECT id\n                             FROM voip_sound_sets\n                            WHERE id = u_sound_set_id);\n\n        IF u_handle_id IS NOT NULL THEN\n            DELETE p FROM voip_sound_set_handle_parents p\n             WHERE set_id IN (\n                WITH RECURSIVE cte as (\n                    SELECT s.id\n                      FROM voip_sound_sets s\n                     WHERE id = u_sound_set_id\n                    UNION\n                    SELECT s.id\n                      FROM voip_sound_sets s\n                      JOIN cte ON cte.id = s.parent_id\n                )\n                SELECT id\n                  FROM cte\n             )\n               AND handle_id = u_handle_id;\n\n            OPEN x_sound_set_handle;\n            iter: LOOP\n                FETCH x_sound_set_handle INTO x_set_id, x_handle_id, x_parent_set_id, x_parent_chain;\n                IF done THEN\n                    LEAVE iter;\n                END IF;\n                INSERT INTO voip_sound_set_handle_parents\n                    (set_id, handle_id, parent_set_id, parent_chain)\n                VALUES\n                    (x_set_id, x_handle_id, x_parent_set_id, x_parent_chain);\n            END LOOP;\n            CLOSE x_sound_set_handle;\n        ELSE\n            DELETE p FROM voip_sound_set_handle_parents p\n             WHERE set_id IN (\n                WITH RECURSIVE cte as (\n                    SELECT s.id\n                      FROM voip_sound_sets s\n                     WHERE id = u_sound_set_id\n                    UNION\n                    SELECT s.id\n                      FROM voip_sound_sets s\n                      JOIN cte ON cte.id = s.parent_id\n                )\n                SELECT id\n                  FROM cte\n             );\n\n            OPEN x_sound_set;\n            iter: LOOP\n                FETCH x_sound_set INTO x_set_id, x_handle_id, x_parent_set_id, x_parent_chain;\n                IF done THEN\n                    LEAVE iter;\n                END IF;\n                INSERT INTO voip_sound_set_handle_parents\n                    (set_id, handle_id, parent_set_id, parent_chain)\n                VALUES\n                    (x_set_id, x_handle_id, x_parent_set_id, x_parent_chain);\n            END LOOP;\n            CLOSE x_sound_set;\n        END IF;\n    ELSE\n        IF u_handle_id IS NOT NULL THEN\n            DELETE FROM voip_sound_set_handle_parents WHERE handle_id = u_handle_id;\n\n            OPEN x_handle;\n            iter: LOOP\n                FETCH x_handle INTO x_set_id, x_handle_id, x_parent_set_id, x_parent_chain;\n                IF done THEN\n                    LEAVE iter;\n                END IF;\n                INSERT INTO voip_sound_set_handle_parents\n                    (set_id, handle_id, parent_set_id, parent_chain)\n                VALUES\n                    (x_set_id, x_handle_id, x_parent_set_id, x_parent_chain);\n            END LOOP;\n            CLOSE x_handle;\n        ELSE\n            DELETE FROM voip_sound_set_handle_parents;\n\n            OPEN x;\n            iter: LOOP\n                FETCH x INTO x_set_id, x_handle_id, x_parent_set_id, x_parent_chain;\n                IF done THEN\n                    LEAVE iter;\n                END IF;\n                INSERT INTO voip_sound_set_handle_parents\n                    (set_id, handle_id, parent_set_id, parent_chain)\n                VALUES\n                    (x_set_id, x_handle_id, x_parent_set_id, x_parent_chain);\n            END LOOP;\n            CLOSE x;\n        END IF;\n    END IF;\n\nEND",
          "ROUTINE_TYPE" : "PROCEDURE",
          "key_col" : "update_sound_set_handle_parents"
       }
diff --git a/schema/provisioning.sql b/schema/provisioning.sql
index e08b8131..1a1d7fd6 100644
--- a/schema/provisioning.sql
+++ b/schema/provisioning.sql
@@ -5706,7 +5706,7 @@ CREATE TABLE `voip_subscribers` (
   CONSTRAINT `voip_subscribers_ibfk_1` FOREIGN KEY (`domain_id`) REFERENCES `voip_domains` (`id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
-INSERT INTO `voip_subscribers` VALUES (3,'no_such_number',2,'9bcb88b6-541a-43da-8fdc-816f5557ff93','5c83b8a56cdaf703a441375173c4bdd6',0,NULL,NULL,NULL,0,0,'none',NULL,NULL,NULL,NULL,NOW(),NOW());
+INSERT INTO `voip_subscribers` VALUES (3,'no_such_number',2,'9bcb88b6-541a-43da-8fdc-816f5557ff93','3cef5290e9aa18bbbff0d1e4af3d63b9',0,NULL,NULL,NULL,0,0,'none',NULL,NULL,NULL,NULL,NOW(),NOW());
 /*!50003 SET @saved_cs_client      = @@character_set_client */ ;
 /*!50003 SET @saved_cs_results     = @@character_set_results */ ;
 /*!50003 SET @saved_col_connection = @@collation_connection */ ;