diff --git a/project/customer/consts.py b/project/customer/consts.py
index ed42452..3770a68 100644
--- a/project/customer/consts.py
+++ b/project/customer/consts.py
@@ -8,22 +8,43 @@ PROFILE_TYPES = (
     (ORG_PROFILE, u'Организация'),
 )
 
+# лицензии
+
+LICENSE_PAY_DAYS = 10 # дней на оплату счёта
+LICENSE_LEFT_DAYS = 15 # осталось дней до конца лицензии
+
+LICENSE_TEST_PERIOD_TERM = 0 # тип срока: пробный период. это особый тип, никак не связанный с моделью LicensePrice
+LICENSE_TEST_PERIOD_DAYS  = 45 # длительность пробного периода в днях
+
+LICENSE_TEST_PERIOD = -1
+LICENSE_UNPAID = 0
+LICENSE_PAID = 1
+LICENSE_ACTIVE = 2
+LICENSE_EXPIRED = 3
+LICENSE_SUSPENDED = 4
+
 LICENSE_STATUSES = (
-    (-1, u'Пробный период'),
-    (0, u'Не оплачен'),
-    (1, u'Оплачен'),
-    (2, u'Активирован'),
-    (3, u'Срок действия истёк'),
-    (4, u'Заморожен'),
+    (LICENSE_TEST_PERIOD, u'Пробный период'),
+    (LICENSE_UNPAID, u'Не оплачен'),
+    (LICENSE_PAID, u'Оплачен'),
+    (LICENSE_ACTIVE, u'Активирован'),
+    (LICENSE_EXPIRED, u'Срок действия истёк'),
+    (LICENSE_SUSPENDED, u'Заморожен'),
 )
 
+PAYFORM_FREE = -1
+PAYFORM_BEZNAL = 0
+PAYFORM_CARD = 1
+# PAYFORM_SBER_KVITANZ = 2
+
 PAYFORMS = (
-    (-1, u'Бесплатно'),
-    (0, u'Безналичный расчёт'),
-    (1, u'Банковская карта'),
-#    (2, u'Квитанция Сбербанка'),
+    (PAYFORM_FREE, u'Бесплатно'),
+    (PAYFORM_BEZNAL, u'Безналичный расчёт'),
+    (PAYFORM_CARD, u'Банковская карта'),
+#    (PAYFORM_SBER_KVITANZ, u'Квитанция Сбербанка'),
 )
 
+# типы сроков для модели LicensePrice
 TERMS = (
     (1, u'1 месяц'),
     (6, u'6 месяцев'),
diff --git a/project/customer/context_processors.py b/project/customer/context_processors.py
index 7872f64..7edabc0 100644
--- a/project/customer/context_processors.py
+++ b/project/customer/context_processors.py
@@ -4,6 +4,9 @@ from django.core.cache import cache
 from .models import License
 
 
+cache_duration = 3600
+
+
 def license_check_soon_ends(request):
     try:
         license_cookie = request.COOKIES.get('close_message_license')
@@ -12,21 +15,23 @@ def license_check_soon_ends(request):
         cur_license = cache.get('cur_license_%s' % (request.user.username,), None)
         if not days_left or not cur_license:
             now = datetime.today()
-            cur_license = License.objects.filter(company=request.user.profile, date_from__lte=now, date_to__gte=now, status__in=[-1, 1, 2], deleted=False)
+            cur_license = License.objects.filter(company=request.user.profile, date_from__lte=now, date_to__gte=now,
+                status__in=[consts.LICENSE_TEST_PERIOD, consts.LICENSE_PAID, consts.LICENSE_ACTIVE], deleted=False)
             if cur_license:
                 cur_license = cur_license[0]
             days_left = (cur_license.date_to - now.date()).days
-            cache.set('days_left_%s' % (request.user.username,), days_left, 3600)
-            cache.set('cur_license_%s' % (request.user.username,), cur_license, 3600)
+            cache.set('days_left_%s' % (request.user.username,), days_left, cache_duration)
+            cache.set('cur_license_%s' % (request.user.username,), cur_license, cache_duration)
 
         if not license_cookie:
             now = datetime.today()
             if license_15days is None:
-                licenses_ends = License.objects.filter(company=request.user.profile, date_to__lte=now + timedelta(15), status__in=[-1, 1, 2], deleted=False)
-                next_licenses = License.objects.filter(company=request.user.profile, status=1, deleted=False)
+                licenses_ends = License.objects.filter(company=request.user.profile, date_to__lte=now + timedelta(consts.LICENSE_LEFT_DAYS),
+                    status__in=[consts.LICENSE_TEST_PERIOD, consts.LICENSE_PAID, consts.LICENSE_ACTIVE], deleted=False)
+                next_licenses = License.objects.filter(company=request.user.profile, status=consts.LICENSE_PAID, deleted=False)
                 if licenses_ends and not next_licenses:
                     days_to_end = licenses_ends[0].date_to
-                    cache.set('license_15_%s' % (request.user.username,), days_to_end, 3600)
+                    cache.set('license_15_%s' % (request.user.username,), days_to_end, cache_duration)
                     license_15days = days_to_end
                 else:
                     license_15days = ''
diff --git a/project/customer/models.py b/project/customer/models.py
index 0ecc6ce..f7628fa 100644
--- a/project/customer/models.py
+++ b/project/customer/models.py
@@ -418,9 +418,9 @@ class License(models.Model):
     date_from = models.DateField(u'дата начала', null=True, blank=True)
     date_to = models.DateField(u'дата окончания', null=True, blank=True)
     payform = models.IntegerField(verbose_name=u'форма оплаты',
-            choices=consts.PAYFORMS, default=0)
+            choices=consts.PAYFORMS, default=consts.PAYFORM_BEZNAL)
     status = models.IntegerField(verbose_name=u'статус лицензии',
-            choices=consts.LICENSE_STATUSES, default=0)
+            choices=consts.LICENSE_STATUSES, default=consts.LICENSE_UNPAID)
     order_date = models.DateField(verbose_name=u'дата заказа', auto_now_add=True)
     paid_date = models.DateField(verbose_name=u'дата оплаты', null=True, blank=True)
     pay_sum= models.IntegerField(verbose_name=u'сумма оплаты')
@@ -449,7 +449,7 @@ class License(models.Model):
             self.date_to = self.date_from + relativedelta(months=self.term, days=-1)
             self.company.active = True
             self.company.save()
-            self.status = 1
+            self.status = consts.LICENSE_PAID
             utils.check_one_profile(self.company, License, datetime.now(), manual=True)
 
         super(License, self).save(*args, **kwargs)
@@ -458,31 +458,30 @@ class License(models.Model):
         return self.company.get_company_name()
 
     def get_action_link(self):
-
-        if self.status == 0:
-            if self.payform == 0:
+        if self.status == consts.LICENSE_UNPAID:
+            if self.payform == consts.PAYFORM_BEZNAL:
                 return u'<a href="%s">Скачать счёт</a>' % reverse('customer_license_get_doc', kwargs={'order_num': self.id})
-            elif self.payform == 1:
+            elif self.payform == consts.PAYFORM_CARD:
                 return u'Оплатить счёт'
-            elif self.payform == 2:
+            elif self.payform == consts.PAYFORM_SBER_KVITANZ: # не используется. однако могут быть старые лицензии с данной формой оплаты
                 return u'<a href="%s">Скачать квитанцию</a>' % reverse('customer_license_get_doc', kwargs={'order_num': self.id})
-        elif self.status in [1, 2]:
+        elif self.status in [consts.LICENSE_PAID, consts.LICENSE_ACTIVE]:
             return u'История операций'
         else:
             return ''
 
     def get_term(self):
-        if self.term == 0:
-            return u'45 дней'
+        if self.term == consts.LICENSE_TEST_PERIOD_TERM:
+            return u'%d дней' % consts.LICENSE_TEST_PERIOD_DAYS
         else:
             return u'%s %s' % (self.term,
                                    numeral.choose_plural(self.term, u"месяц, месяца, месяцев"),
                                    )
 
     def get_paid_status(self):
-        if self.status == 1:
+        if self.status == consts.LICENSE_PAID:
             return u'Лицензия оплачена, ещё не активирована'
-        elif self.status in [2, -1]:
+        elif self.status in [consts.LICENSE_ACTIVE, consts.LICENSE_TEST_PERIOD]:
             left = relativedelta(self.date_to, datetime.today())
             if left.months:
                 left_str = '%d %s %d %s' % (left.months,
@@ -496,7 +495,7 @@ class License(models.Model):
                         numeral.choose_plural(left.days, u"день, дня, дней"),
                         )
             return u'Лицензия активирована: осталось %s' % left_str
-        elif self.status == 3:
+        elif self.status == consts.LICENSE_EXPIRED:
             return u'Время истекло'
         else:
             return None
diff --git a/project/customer/tasks.py b/project/customer/tasks.py
index 36cd88c..c8e1e54 100644
--- a/project/customer/tasks.py
+++ b/project/customer/tasks.py
@@ -9,6 +9,7 @@ from celery import shared_task
 
 from .models import License, UserProfile
 from .utils import check_one_profile
+from project.customer import consts
 
 
 @shared_task
@@ -16,11 +17,11 @@ def check_license():
     profiles = UserProfile.objects.all()
     now = datetime.today()
 
-    #licenses = License.objects.filter(date_to__lt=now, status__in=[-1, 2], deleted=False)
-    #licenses.update(status=3)
+    #licenses = License.objects.filter(date_to__lt=now, status__in=[consts.LICENSE_TEST_PERIOD, consts.LICENSE_ACTIVE], deleted=False)
+    #licenses.update(status=consts.LICENSE_EXPIRED)
 
-    licenses = License.objects.filter(order_date__lte=now - timedelta(10), status=0, deleted=False)
-    licenses.update(status=4)
+    licenses = License.objects.filter(order_date__lte=now - timedelta(consts.LICENSE_PAY_DAYS), status=consts.LICENSE_UNPAID, deleted=False)
+    licenses.update(status=consts.LICENSE_SUSPENDED)
 
     for profile in profiles:
         try:
diff --git a/project/customer/utils.py b/project/customer/utils.py
index cea368c..937bc9e 100644
--- a/project/customer/utils.py
+++ b/project/customer/utils.py
@@ -5,14 +5,17 @@ from django.conf import settings
 from django.core.mail import EmailMessage
 from django.template.loader import render_to_string
 
+from project.customer import consts
+
 
 SUPPORT_EMAIL = getattr(settings, 'SUPPORT_EMAIL')
 
 
 def check_one_profile(profile, License, now, manual=False):
     profile_is_active = profile.active
-    licenses = License.objects.filter(company=profile, date_from__lte=now, date_to__gte=now, status__in=[-1, 1, 2], deleted=False)
-    licenses.filter(status=1).update(status=2)
+    licenses = License.objects.filter(company=profile, date_from__lte=now, date_to__gte=now,
+        status__in=[consts.LICENSE_TEST_PERIOD, consts.LICENSE_PAID, consts.LICENSE_ACTIVE], deleted=False)
+    licenses.filter(status=consts.LICENSE_PAID).update(status=consts.LICENSE_ACTIVE)
 
     if licenses:
         profile.active = True
@@ -34,12 +37,14 @@ def check_one_profile(profile, License, now, manual=False):
         email = EmailMessage(subject=subject, to=(user_email,), body=email_body)
         email.send()
 
-    licenses_remain = License.objects.filter(company=profile, date_from__gt=now + timedelta(1), status=1, deleted=False)
-    licenses_to_pay = License.objects.filter(company=profile, status=0, deleted=False)
+    licenses_remain = License.objects.filter(company=profile, date_from__gt=now + timedelta(1),
+        status=consts.LICENSE_PAID, deleted=False)
+    licenses_to_pay = License.objects.filter(company=profile, status=consts.LICENSE_UNPAID, deleted=False)
 
     if not licenses_remain and not manual:
-        licenses = License.objects.filter(company=profile, date_to__lt=now, status__in=[-1, 2], deleted=False)
-        licenses.update(status=3)
+        licenses = License.objects.filter(company=profile, date_to__lt=now,
+            status__in=[consts.LICENSE_TEST_PERIOD, consts.LICENSE_ACTIVE], deleted=False)
+        licenses.update(status=status=consts.LICENSE_EXPIRED)
 
         if licenses:
             template_name = 'myauth/license_ended.txt'
@@ -53,7 +58,8 @@ def check_one_profile(profile, License, now, manual=False):
             email = EmailMessage(subject=subject, to=(user_email,), body=email_body)
             email.send()
 
-        licenses = License.objects.filter(company=profile, date_to=now + timedelta(1), status__in=[-1, 2], deleted=False)
+        licenses = License.objects.filter(company=profile, date_to=now + timedelta(1),
+            status__in=[consts.LICENSE_TEST_PERIOD, consts.LICENSE_ACTIVE], deleted=False)
 
         if licenses:
             template_name = 'myauth/license_ends.txt'
@@ -68,7 +74,8 @@ def check_one_profile(profile, License, now, manual=False):
             email.send()
 
     if not manual:
-        licenses = License.objects.filter(company=profile, order_date=now - timedelta(9), status=0, deleted=False)
+        licenses = License.objects.filter(company=profile, order_date=now - timedelta(consts.LICENSE_PAY_DAYS-1),
+            status=status=consts.LICENSE_UNPAID, deleted=False)
 
         if licenses:
             template_name = 'myauth/license_to_pay.txt'