diff --git a/lib/NGCP/Schema/Result/provisioning_voip_subscribers.pm b/lib/NGCP/Schema/Result/provisioning_voip_subscribers.pm
index 743455f9..3f4f39c3 100644
--- a/lib/NGCP/Schema/Result/provisioning_voip_subscribers.pm
+++ b/lib/NGCP/Schema/Result/provisioning_voip_subscribers.pm
@@ -315,6 +315,32 @@ __PACKAGE__->might_have(
   { cascade_copy => 0, cascade_delete => 0 },
 );
 
+__PACKAGE__->has_many(
+  "sipwise_mam_user",
+  'NGCP::Schema::Result::sipwise_mam',
+  sub {
+    my $args = shift;
+    return {
+        "$args->{foreign_alias}.username" => { '=' => \"concat($args->{self_alias}.username,\"@\",domain.domain)" } ,
+    };
+  },
+  { join_type => 'inner' },
+  { cascade_copy => 0, cascade_delete => 0 },
+);
+
+__PACKAGE__->has_many(
+  "sipwise_mam_with",
+  'NGCP::Schema::Result::sipwise_mam',
+  sub {
+    my $args = shift;
+    return {
+        "$args->{foreign_alias}.with" => { '=' => \"concat($args->{self_alias}.username,\"@\",domain.domain)" } ,
+    };
+  },
+  { join_type => 'inner' },
+  { cascade_copy => 0, cascade_delete => 0 },
+);
+
 sub TO_JSON {
     my ($self) = @_;
     return {
diff --git a/lib/NGCP/Schema/Result/sipwise_mam.pm b/lib/NGCP/Schema/Result/sipwise_mam.pm
new file mode 100644
index 00000000..cfe1663d
--- /dev/null
+++ b/lib/NGCP/Schema/Result/sipwise_mam.pm
@@ -0,0 +1,62 @@
+package NGCP::Schema::Result::sipwise_mam;
+use Scalar::Util qw(blessed);
+use parent 'DBIx::Class::Core';
+
+our $VERSION = '2.007';
+
+__PACKAGE__->load_components(
+    "InflateColumn::DateTime",
+    "Helper::Row::ToJSON",
+    "+NGCP::Schema::InflateColumn::DateTime::EpochMilli",
+);
+
+__PACKAGE__->table("prosody.sipwise_mam");
+
+__PACKAGE__->add_columns(
+  "id",
+  {
+    data_type => "integer",
+    extra => { unsigned => 1 },
+    is_auto_increment => 1,
+    is_nullable => 0,
+  },
+  "username",
+  {
+    data_type => "varchar",
+    is_nullable => 0,
+    size => 255
+  },
+  "key",
+  {
+    data_type => "binary",
+    is_nullable => 0,
+    size => 16
+  },
+  "stanza",
+  {
+    data_type => "text",
+    is_nullable => 1
+  },
+  "epoch",
+  {
+    data_type => "integer",
+    is_nullable => 0,
+  },
+  "with",
+  {
+    data_type => "varchar",
+    is_nullable => 1,
+    size => 255
+  },
+);
+
+__PACKAGE__->set_primary_key("id");
+
+sub TO_JSON {
+    my ($self) = @_;
+    return {
+        map { blessed($_) && $_->isa('DateTime') ? $_->datetime : $_ } %{ $self->next::method }
+    };
+}
+
+1;