diff --git a/organizational_area/models.py b/organizational_area/models.py
index 559fac39..de77e27a 100644
--- a/organizational_area/models.py
+++ b/organizational_area/models.py
@@ -230,19 +230,20 @@ class Meta:
         verbose_name = _("Organizational Structure Office Employee")
         verbose_name_plural = _("Organizational Structure Office Employees")
 
-    @classmethod
-    def get_default_operator_or_manager(cls, office):
+    @staticmethod
+    def get_default_operator_or_manager(office):
         """
         Returns an use randomly.
         Try to get an office employee if exists.
         Else returns one of managers.
         """
-        office_employees = cls.objects.filter(office=office,
-                                              employee__is_active=True).order_by('?')
+        osoe = OrganizationalStructureOfficeEmployee
+        office_employees = osoe.objects.filter(office=office,
+                                               employee__is_active=True).order_by('?')
         if not office_employees:
-            office_employees = cls.objects.filter(office__name=settings.DEFAULT_ORGANIZATIONAL_STRUCTURE_OFFICE,
-                                                  office__organizational_structure=office.organizational_structure,
-                                                  employee__is_active=True).order_by('?')
+            office_employees = osoe.objects.filter(office__name=settings.DEFAULT_ORGANIZATIONAL_STRUCTURE_OFFICE,
+                                                   office__organizational_structure=office.organizational_structure,
+                                                   employee__is_active=True).order_by('?')
         random_office_operator = office_employees.first()
         return random_office_operator.employee
 
diff --git a/uni_ticket/models.py b/uni_ticket/models.py
index 44fff315..3709664e 100644
--- a/uni_ticket/models.py
+++ b/uni_ticket/models.py
@@ -943,6 +943,16 @@ class Meta:
         verbose_name = _("Domande/Risposte Ticket")
         verbose_name_plural = _("Domande/Risposte Ticket")
 
+    @staticmethod
+    def get_unread_messages_count(tickets, by_operator=False):
+        unread_messages = TicketReply.objects.filter(ticket__in=tickets,
+                                                     read_date=None)
+        # show messages sent by operator
+        if by_operator:
+           return unread_messages.exclude(structure=None).count()
+        # show messages sent by user
+        return unread_messages.filter(structure=None).count()
+
     def get_folder(self):
         """
         Returns ticket attachments folder path
@@ -973,11 +983,11 @@ class Meta:
         verbose_name = _("Dipendenza Ticket")
         verbose_name_plural = _("Dipendenze Ticket")
 
-    @classmethod
-    def main_is_already_used(cls, ticket):
+    @staticmethod
+    def main_is_already_used(ticket):
         """
         """
-        relations = cls.objects.filter(subordinate_ticket=ticket)
+        relations = Ticket2Ticket.objects.filter(subordinate_ticket=ticket)
         if not relations: return False
         for relation in relations:
             main = relation.main_ticket
@@ -1230,10 +1240,11 @@ def disable_other_configurations(self):
             other.is_active = False
             other.save(update_fields = ['is_active', 'modified'])
 
-    @classmethod
-    def get_active_protocol_configuration(cls, organizational_structure):
-        conf = cls.objects.filter(organizational_structure=organizational_structure,
-                                  is_active=True).first()
+    @staticmethod
+    def get_active_protocol_configuration(organizational_structure):
+        oswsap = OrganizationalStructureWSArchiPro
+        conf = oswsap.objects.filter(organizational_structure=organizational_structure,
+                                     is_active=True).first()
         return conf if conf else False
 
     def __str__(self):
diff --git a/uni_ticket/views/manager.py b/uni_ticket/views/manager.py
index e6e7fdc5..e2d90844 100644
--- a/uni_ticket/views/manager.py
+++ b/uni_ticket/views/manager.py
@@ -79,20 +79,16 @@ def dashboard(request, structure_slug, structure):
     cm = TicketCategory
     categories = cm.objects.filter(organizational_structure=structure)
 
-    messages = 0
-    for ticket in tickets:
-        # if not ticket.is_followed_in_structure(structure=structure):
-            # continue
-        messages += ticket.get_messages_count()[1]
-
-    d = {'ticket_messages': messages,
-         'categories': categories,
+    messages = TicketReply.get_unread_messages_count(tickets=tickets)
+
+    d = {'categories': categories,
          'offices': offices,
          'structure': structure,
          'sub_title': sub_title,
          'ticket_aperti': opened,
          'ticket_assegnati_a_me': my_opened,
          'ticket_chiusi': chiusi,
+         'ticket_messages': messages,
          'ticket_non_gestiti': unassigned,
          'title': title,}
     return render(request, template, d)
diff --git a/uni_ticket/views/operator.py b/uni_ticket/views/operator.py
index dc003c63..38fba11b 100644
--- a/uni_ticket/views/operator.py
+++ b/uni_ticket/views/operator.py
@@ -55,19 +55,16 @@ def dashboard(request, structure_slug, structure, office_employee):
             unassigned += 1
     # chiusi = tickets.filter(is_closed=True)
     chiusi = tickets.filter(is_closed=True).count()
-    messages = 0
-    for ticket in tickets:
-        # if not ticket.is_followed_by_one_of_offices(offices):
-            # continue
-        messages += ticket.get_messages_count()[1]
 
-    d = {'ticket_messages': messages,
-         'offices': offices,
+    messages = TicketReply.get_unread_messages_count(tickets=tickets)
+
+    d = {'offices': offices,
          'structure': structure,
          'sub_title': sub_title,
          'title': title,
          'ticket_aperti': opened,
          'ticket_assegnati_a_me': my_opened,
          'ticket_chiusi': chiusi,
+         'ticket_messages': messages,
          'ticket_non_gestiti': unassigned,}
     return render(request, template, d)
diff --git a/uni_ticket/views/user.py b/uni_ticket/views/user.py
index 60056b4e..e7a52cba 100644
--- a/uni_ticket/views/user.py
+++ b/uni_ticket/views/user.py
@@ -636,15 +636,14 @@ def dashboard(request):
     # chiusi = tickets.filter(is_closed=True)
     chiusi = tickets.filter(is_closed=True).count()
 
-    messages = 0
-    for ticket in tickets:
-        messages += ticket.get_messages_count(by_operator=True)[1]
+    messages = TicketReply.get_unread_messages_count(tickets=tickets,
+                                                     by_operator=True)
 
-    d = {'ticket_messages': messages,
-         'priority_levels': settings.PRIORITY_LEVELS,
+    d = {'priority_levels': settings.PRIORITY_LEVELS,
          'sub_title': sub_title,
          'ticket_aperti': opened,
          'ticket_chiusi': chiusi,
+         'ticket_messages': messages,
          'ticket_non_gestiti': unassigned,
          'title': title,}