old_contents: from django.db import models
  from django.utils.translation import ugettext_lazy as _
  from django.utils import timezone
  
  
  class InboxSMS(models.Model):
      """
          This models saves POST parameters that txtlocal sends together with inbox SMS.
      """
      sender = models.CharField(_('The mobile number of the handset.'), max_length=20)
      content = models.CharField(_('The message content.'), max_length=255, default='', blank=True)
      in_number = models.CharField(_('The number the message was sent to (your inbound number).'), max_length=20, default='', blank=True)
      email = models.EmailField(_('Any email address extracted.'), max_length=255, default='', blank=True)
      credits = models.IntegerField(_('The number of credits remaining on your Txtlocal account.'), null=True, blank=True)
      time = models.DateTimeField(_('Date and time when parameters were received'), default=timezone.now)
  
      def __unicode__(self):
          return u"%s" % (self.content)
  
      class Meta:
          verbose_name_plural = _('Inbox SMS')
  
new_contents: from django.db import models
  from django.utils.translation import ugettext_lazy as _
  from django.utils import timezone
  
  
  class InboxSMS(models.Model):
      """A message recieved from txtlocal."""
      sender = models.CharField(_('The mobile number of the sender.'), max_length=20)
      content = models.CharField(_('The message content.'), max_length=255, default='', blank=True)
      in_number = models.CharField(_('The number the message was sent to (your inbound number).'), max_length=20, default='', blank=True)
      email = models.EmailField(_('Any email address extracted.'), max_length=255, default='', blank=True)
      credits = models.IntegerField(_('The number of credits remaining on your Txtlocal account.'), null=True, blank=True)
      time = models.DateTimeField(_('Date and time when parameters were received'), default=timezone.now)
  
      def __unicode__(self):
          return u"%s" % (self.content)
  
      class Meta:
          verbose_name_plural = _('Inbox SMS')
  
subject: Copy changes.