11.8  Walk through a sequence

   1 service foreach_seq {
       processing {
         dialog {
           response incoming INVITE() {
   5 
             uri<> students =
             <'sip:student.1@enseirb.fr',
             'sip:student.2@enseirb.fr',
             'sip:student.3@enseirb.fr'>;
  10         
             if ( FROM == 'sip:wife@fwd.com' ) {
               return forward;
             }
             else {
  15           foreach (student in students) {
                 if ( FROM == student ) {
                   return /ERROR/REDIRECTION/MOVED_TEMPORARILY
                   with {reason = "Busy Here contact Bob",
                     #contact: 'sip:bob@enseirb.fr'};
  20             }
               }
               return forward 'sip:phoenix-contact@enseirb.fr';
             }
           }
  25     }
       }
     }