Set call state 7 as a valid state

call.php

@@ -455,6 +455,7 @@ switch($state)
 		print "<div><input type='submit' value=\"" . T_("Hangup") . "\" name='submit' id='submit'/></div></form>";
 		break;
 	case 4: //requires coding
+    case 7:
     case 6:
 		print "<div class='status'>" . T_("Requires coding") . "</div>";
 		print "<form action='?' method='post'>";

call_interface2.php

@@ -470,6 +470,7 @@ switch($state)
 	case 2: //ringing
 	case 3: //answered
 	case 4: //requires coding
+    case 7:
     case 6: //no answer
 	//	print "<div class='status'>" . T_("Requires coding") . "</div>";
 		print "<form action='?' method='post'><div class=\" \">";