diff --git a/lib/NGCP/Schema/InflateColumn/DateTime/EpochMicro.pm b/lib/NGCP/Schema/InflateColumn/DateTime/EpochMicro.pm
new file mode 100644
index 00000000..f30f6d0c
--- /dev/null
+++ b/lib/NGCP/Schema/InflateColumn/DateTime/EpochMicro.pm
@@ -0,0 +1,46 @@
+package NGCP::Schema::InflateColumn::DateTime::EpochMicro;
+use Sipwise::Base;
+use DateTime qw();
+
+extends 'DBIx::Class';
+
+our $VERSION = '2.003';
+
+__PACKAGE__->load_components(qw(InflateColumn::DateTime));
+
+# back compat
+sub add_columns {
+    my ($class, @cols) = @_;
+    my @columns;
+    while (my $col = shift @cols) {
+        my $info = ref $cols[0] ? shift @cols : {};
+        if( my $type = delete $info->{ epoch_micro } ) {
+            $info->{ inflate_datetime } = 'epoch_micro';
+            if( $type =~ m{^[cm]time$} ) {
+                __PACKAGE__->load_components( 'TimeStamp' );
+                $info->{ set_on_create } = 1;
+                $info->{ set_on_update } = 1 if $type eq 'mtime';
+            }
+        }
+        push @columns, $col => $info;
+    }
+    $class->next::method(@columns);
+}
+
+sub _inflate_to_datetime {
+    my ($self, $value, $info, @rest) = @_;
+    return $self->next::method($value, $info, @rest)
+      unless $info->{data_type} eq "decimal"
+          || (exists $info->{inflate_datetime}
+          && $info->{inflate_datetime} eq 'epoch_micro');
+    return DateTime->from_epoch(epoch => $value);
+}
+
+sub _deflate_from_datetime {
+    my ($self, $value, $info, @rest) = @_;
+    return $self->next::method($value, $info, @rest)
+      unless $info->{data_type} eq "decimal"
+          || (exists $info->{inflate_datetime}
+          && $info->{inflate_datetime} eq 'epoch_micro');
+    return $value->epoch;
+}
diff --git a/lib/NGCP/Schema/Result/messages.pm b/lib/NGCP/Schema/Result/messages.pm
index 497a817a..5694c230 100644
--- a/lib/NGCP/Schema/Result/messages.pm
+++ b/lib/NGCP/Schema/Result/messages.pm
@@ -15,6 +15,7 @@ extends 'DBIx::Class::Core';
 __PACKAGE__->load_components(
   "InflateColumn::DateTime", 
   "Helper::Row::ToJSON",
+  "+NGCP::Schema::InflateColumn::DateTime::EpochMicro",
 );
 
 
@@ -219,5 +220,14 @@ NGCP::Schema::Result::messages
 # Created by DBIx::Class::Schema::Loader v0.07035 @ 2013-06-27 12:52:12
 # DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:bYbdYKBz9w7LgX1fXS2wzQ
 
+for my $col (qw/timestamp/) {
+    if(__PACKAGE__->has_column($col)) {
+        __PACKAGE__->remove_column($col);
+        __PACKAGE__->add_column($col =>
+            { data_type => "decimal", is_nullable => 0, size => [17, 6], inflate_datetime => 'epoch_micro' }
+        );
+    }
+}
+
 __PACKAGE__->meta->make_immutable;
 1;