TT#65072 Add convert_dtmf_info subscriber's preference

The preference allows to enable the conversion of SIP INFO messages
containing application/dtmf-relay or application/dtmf payloads to
RFC DTMF events.
Added note that the feature is restricted to internal generated
INFO messages and it will not detect and convert exetrnal generated
INFO messages.

Change-Id: I02b5a72f3f5c1c5dfc1e5ed8a8746013ef9a1901

db_scripts/diff/15563.down

@@ -0,0 +1,6 @@
+USE provisioning;
+set autocommit = 0;
+
+DELETE FROM voip_preferences WHERE attribute = "convert_dtmf_info";
+
+commit;

db_scripts/diff/15563.up

@@ -0,0 +1,25 @@
+use provisioning;
+set autocommit=0;
+
+insert into voip_preferences
+  set
+voip_preference_groups_id = (select id from voip_preference_groups where name="Media Codec Transcoding Options"),
+attribute = "convert_dtmf_info",
+label = "Convert DTMF INFO to RFC DTMF events",
+type = 1,
+max_occur = 1,
+usr_pref = 1,
+prof_pref = 1,
+dom_pref = 1,
+peer_pref = 0,
+contract_pref = 0,
+contract_location_pref = 0,
+dev_pref = 0,
+devprof_pref = 0,
+internal = 0,
+expose_to_customer = 0,
+data_type = "boolean",
+read_only = 0,
+description = "Convert SIP INFO messages containing application/dtmf-relay or application/dtmf payloads to RFC DTMF events. ATTENTION: for internal use only, external generated INFO messages will be not converted but passed through.";
+
+commit;