diff --git a/prospect_trace.py b/prospect_trace.py
index 395caab..12675f5 100644
--- a/prospect_trace.py
+++ b/prospect_trace.py
@@ -8,6 +8,8 @@ from trytond.pyson import Eval
 from .selections.call_types import CallTypes
 from .selections.interest import Interest
 
+from datetime import datetime
+
 
 class ProspectTrace(DeactivableMixin, ModelSQL, ModelView):
     'Seguimiento de un prospecto'
@@ -84,7 +86,15 @@ class ScheduleCallStart(ModelView):
     'Inicio agendar llamada a seguimiento de prospecto'
     __name__ = 'sale.prospect_trace.schedule.start'
 
-    date_time = fields.DateTime('Date time')
+    currency_date = fields.DateTime('Currency Date', readonly=True)
+    date_time = fields.DateTime('Date time', domain=[
+        ('date_time', '>=', Eval('currency_date'))])
+
+    @classmethod
+    def default_currency_date(cls):
+        date = datetime.now()
+
+        return date
 
 
 class ScheduleCall(Wizard):
@@ -119,7 +129,16 @@ class MakeCallStart(ModelView):
 class MakeCallAsk(ModelView):
     'Posible agendación de llamada luego de hacer llamada actual'
     __name__ = 'sale.prospect_trace.make_call.ask'
-    datetime = fields.DateTime('Date time')
+
+    currency_date = fields.DateTime('Currency Date', readonly=True)
+    datetime = fields.DateTime('Date time', domain=[
+        ('datetime', '>=', Eval('currency_date'))])
+
+    @classmethod
+    def default_currency_date(cls):
+        date = datetime.now()
+
+        return date
 
 
 class MakeCall(Wizard):
@@ -175,7 +194,6 @@ class MakeCall(Wizard):
 
         if self.start.schedule_call == 'yes':
             return 'ask'
-
         return 'end'
 
     def transition_schedule_call(self):
diff --git a/tests/scenario_sale_opportunity_management.rst b/tests/scenario_sale_opportunity_management.rst
index 8cea081..cab4062 100644
--- a/tests/scenario_sale_opportunity_management.rst
+++ b/tests/scenario_sale_opportunity_management.rst
@@ -311,6 +311,7 @@ Reasignar prospectos por prospecto::
     >>> prospect_trace.calls[0].operator_who_called.name
     'Administrator'
 
+
 --------
 Reportes
 --------
diff --git a/view/make_call_ask_form.xml b/view/make_call_ask_form.xml
index fa0b854..b33ae4f 100644
--- a/view/make_call_ask_form.xml
+++ b/view/make_call_ask_form.xml
@@ -2,6 +2,8 @@
 <!-- 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>
+    <label name="currency_date"/>
+    <field name="currency_date"/>
     <label name="datetime"/>
     <field name="datetime"/>
-</form>
\ No newline at end of file
+</form>
diff --git a/view/schedule_start_form.xml b/view/schedule_start_form.xml
index 43e69fa..159b9f9 100644
--- a/view/schedule_start_form.xml
+++ b/view/schedule_start_form.xml
@@ -4,4 +4,4 @@ this repository contains the full copyright notices and license terms. -->
 <form>
     <label name="date_time"/>
     <field name="date_time"/>
-</form>
\ No newline at end of file
+</form>