feat(trunk): add customizable Asterisk Trunk Dial Options field with quick presets (tTR, TR, T)

src/ConfigGenerator.php

@@ -1174,8 +1174,9 @@ class ConfigGenerator
                     $tEpName = ($tObj && ($tObj['registration_mode'] ?? '') === 'receive' && !empty($tObj['username']))
                         ? $tObj['username']
                         : "trunk-{$tSlug}";
+                    $dialOpts = ($tObj && !empty($tObj['dial_options'])) ? trim((string)$tObj['dial_options']) : 'tTR';
                     $sub[] = " same => n,NoOp(Route [{$rName}] - Tentative Trunk #{$validTrunkCount} [{$tEpName}] vers \${OUTNUM})";
-                    $sub[] = " same => n,Dial(PJSIP/\${OUTNUM}@{$tEpName},60,tTR)";
+                    $sub[] = " same => n,Dial(PJSIP/\${OUTNUM}@{$tEpName},60,{$dialOpts})";
                     $sub[] = " same => n,GotoIf(\$[\"\${DIALSTATUS}\" = \"ANSWER\" | \"\${DIALSTATUS}\" = \"BUSY\" | \"\${DIALSTATUS}\" = \"NOANSWER\" | \"\${DIALSTATUS}\" = \"CANCEL\"]?call_done)";
                     $sub[] = " same => n,NoOp(Trunk [{$tEpName}] indisponible [\${DIALSTATUS}] -> Passage au Trunk / Route suivant)";
                 }

src/Database.php

@@ -164,6 +164,7 @@ class Database
             outbound_prefix VARCHAR(32) NOT NULL DEFAULT '',
             custom_endpoint_params TEXT NOT NULL DEFAULT '',
             cid_name_prefix VARCHAR(64) NOT NULL DEFAULT '',
+            dial_options VARCHAR(32) NOT NULL DEFAULT 'tTR',
             enabled INTEGER NOT NULL DEFAULT 1 CHECK (enabled IN (0, 1)),
             created_at DATETIME DEFAULT CURRENT_TIMESTAMP
         );
@@ -578,6 +579,7 @@ class Database
             'custom_aor_params'        => "TEXT NOT NULL DEFAULT ''",
             'moh_sound_id'             => "INTEGER NOT NULL DEFAULT 0",
             'cid_name_prefix'          => "VARCHAR(64) NOT NULL DEFAULT ''",
+            'dial_options'             => "VARCHAR(32) NOT NULL DEFAULT 'tTR'",
         ];
 
         foreach ($extraColumns as $colName => $colDef) {