MT#16777 Add default_lnp_prefix usr/dom/peer pref.

This can be set and will end up in CDRs if no LNP prefix is found
in local LNP lookups.

Change-Id: Idd74d3f757d947af8dc6d59a563a9322331c0d57

db_scripts/diff/15225.down

@@ -0,0 +1,4 @@
+USE provisioning;
+
+DELETE FROM voip_preferences
+    WHERE attribute = 'default_lnp_prefix';

db_scripts/diff/15225.up

@@ -0,0 +1,18 @@
+SET AUTOCOMMIT=0;
+
+USE provisioning;
+
+SELECT id INTO @pgid FROM voip_preference_groups WHERE name = 'Internals';
+
+INSERT INTO voip_preferences
+    (voip_preference_groups_id, attribute, label, type, max_occur,
+     usr_pref, prof_pref, dom_pref, peer_pref, contract_pref,
+     modify_timestamp, internal, expose_to_customer, data_type, read_only,
+     description)
+    VALUES
+    (@pgid, 'default_lnp_prefix', 'Default LNP prefix', 0, 1,
+     1, 0, 1, 1, 0,
+     now(), 0, 0, 'string', 0,
+     'Defines a default LNP prefix which is written into CDRs if no LNP entry is found in the LNP database. This prefix is NOT usable for routing purposes like rewrite rules, only for CDR tagging.');
+
+COMMIT;