diff --git a/__init__.py b/__init__.py
index 11c9839..ce849ac 100644
--- a/__init__.py
+++ b/__init__.py
@@ -19,8 +19,10 @@ def register():
         prospect.Prospect,
         prospect_trace.ProspectTrace,
         prospect.AssignOperatorStart,
+        prospect_trace.ScheduleCallStart,
         module='sale_opportunity_management', type_='model')
     Pool.register(
+        prospect_trace.ScheduleCall,
         prospect.AssignOperator,
         module='sale_opportunity_management', type_='wizard')
     Pool.register(
diff --git a/prospect_trace.py b/prospect_trace.py
index 358700d..defb52d 100644
--- a/prospect_trace.py
+++ b/prospect_trace.py
@@ -1,5 +1,6 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
+from trytond.wizard import Wizard, StateView, Button, StateTransition
 from trytond.model import ModelSQL, ModelView, fields, DeactivableMixin
 from trytond.pool import Pool
 
@@ -58,11 +59,6 @@ class ProspectTrace(DeactivableMixin, ModelSQL, ModelView):
             self.pending_call = None
             self.state = 'open'
 
-    @fields.depends('pending_call', 'state')
-    def on_change_pending_call(self):
-        if self.pending_call:
-            self.state = 'with_pending_calls'
-
     @fields.depends('prospect', 'prospect_city', 'prospect_contact')
     def on_change_prospect(self):
         if not self.prospect:
@@ -95,3 +91,37 @@ class ProspectTrace(DeactivableMixin, ModelSQL, ModelView):
 
         if contact_mobile:
             return contact_mobile[0]
+
+
+class ScheduleCallStart(ModelView):
+    'Inicio agendar llamada a seguimiento de prospecto'
+    __name__ = 'sale.prospect_trace.schedule.start'
+
+    date_time = fields.DateTime('Date time')
+
+
+class ScheduleCall(Wizard):
+    'Agendar llamada a seguimiento de prospecto'
+    __name__ = 'sale.prospect_trace.schedule'
+
+    start = StateView(
+        'sale.prospect_trace.schedule.start',
+        'sale_opportunity_management.schedule_start_view_form', [
+            Button("Cancel", 'end', 'tryton-cancel'),
+            Button("Schedule", 'schedule', 'tryton-ok', default=True)])
+
+    schedule = StateTransition()
+
+    def transition_schedule(self):
+        pool = Pool()
+        PendingCall = pool.get('sale.pending_call')
+        pending_call = PendingCall()
+        pending_call.date = self.start.date_time
+        pending_call.save()
+
+        prospect_trace = self.record
+        prospect_trace.pending_call = pending_call
+        prospect_trace.state = 'with_pending_calls'
+        prospect_trace.save()
+
+        return 'end'
diff --git a/prospect_trace.xml b/prospect_trace.xml
index eb39d21..061a5cd 100644
--- a/prospect_trace.xml
+++ b/prospect_trace.xml
@@ -48,11 +48,18 @@ this repository contains the full copyright notices and license terms. -->
             <field name="count" eval="True"/>
             <field name="act_window" ref="act_prospect_trace_tree"/>
         </record>
-
         <menuitem
             parent="menu_calls"
             sequence="20"
             id="menu_prospect_trace_tree"
             action="act_prospect_trace_tree"/>
+
+        <!-- <record model="ir.action.wizard" id="schedule_call_wizard"> -->
+
+        <record model="ir.ui.view" id="schedule_start_view_form">
+            <field name="model">sale.prospect_trace.schedule.start</field>
+            <field name="type">form</field>
+            <field name="name">schedule_start_form</field>
+        </record>
     </data>
 </tryton>
\ No newline at end of file
diff --git a/tests/scenario_sale_opportunity_management.rst b/tests/scenario_sale_opportunity_management.rst
index 7498bd7..23b005e 100644
--- a/tests/scenario_sale_opportunity_management.rst
+++ b/tests/scenario_sale_opportunity_management.rst
@@ -218,9 +218,15 @@ Verificar estado final del seguimiento del prospecto y sus llamadas
 
 Programar una próxima llamada pendiente al seguimiento de prospecto::
     >>> PendingCall = Model.get('sale.pending_call')
-    >>> pending_call = PendingCall()
-    >>> pending_call.date = datetime(2023, 8, 14, 15, 30, 30)
-    >>> prospect_trace.pending_call = pending_call
+    
+    .. >>> pending_call = PendingCall()
+
+    >>> schedule = Wizard('sale.prospect_trace.schedule', [prospect_trace])
+    >>> schedule.form.date_time = datetime(2023, 8, 14, 15, 30, 30)
+    >>> schedule.execute('schedule')
+
+    .. >>> pending_call.date = datetime(2023, 8, 14, 15, 30, 30)
+    .. >>> prospect_trace.pending_call = pending_call
 
     >>> prospect_trace.pending_call.date
     datetime.datetime(2023, 8, 14, 15, 30, 30)
diff --git a/view/schedule_start_form.xml b/view/schedule_start_form.xml
new file mode 100644
index 0000000..154334e
--- /dev/null
+++ b/view/schedule_start_form.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<form>
+    
+</form>
\ No newline at end of file