Sip.php, Delete.php, QuickForm.php: Fixed broken Delete button.

extension/qfq/qfq/Delete.php

@@ -49,7 +49,7 @@ class Delete {
         $rc = false;
         $msg = array();
 
-        if (!isset($form[F_TABLE_NAME]) || $form[F_TABLE_NAME] === '') {
+        if (!isset($form[F_TABLE_NAME]) || $form[F_TABLE_NAME] === '' || $form[F_TABLE_NAME] === false ) {
             throw new CodeException('Missing table name', ERROR_MISSING_TABLE_NAME);
         }
 

extension/qfq/qfq/store/Sip.php

@@ -194,8 +194,8 @@ class Sip {
             switch ($key) {
                 case SIP_SIP:
                 case SIP_TARGET_URL:
-                case SIP_MODE_ANSWER:
-                case SIP_TABLE:
+//                case SIP_MODE_ANSWER:
+//                case SIP_TABLE:
                 case SIP_URLPARAM:
                     break;
                 default: