diff --git a/lib/NGCP/Panel/Controller/API/NumbersItem.pm b/lib/NGCP/Panel/Controller/API/NumbersItem.pm
index 2588fa49d9..1ced3a3da6 100644
--- a/lib/NGCP/Panel/Controller/API/NumbersItem.pm
+++ b/lib/NGCP/Panel/Controller/API/NumbersItem.pm
@@ -29,6 +29,18 @@ sub get_journal_methods{
     return [qw/handle_item_base_journal handle_journals_get handle_journalsitem_get handle_journals_options handle_journalsitem_options handle_journals_head handle_journalsitem_head handle_journalsitem_put handle_journalsitem_patch/];
 }
 
+sub pre_process_form_resource {
+    my($self,$c, $item, $old_resource, $resource, $form, $process_extras) = @_;
+
+    if (!exists $resource->{is_devid} && defined $item->voip_dbalias) {
+        $resource->{is_devid} = $item->voip_dbalias->is_devid;
+    }
+    if (!exists $resource->{devid_alias} && defined $item->voip_dbalias) {
+        $resource->{devid_alias} = $item->voip_dbalias->devid_alias;
+    }
+    return 1;
+}
+
 sub update_item_model {
     my ($self, $c, $item, $old_resource, $resource, $form) = @_;
     my $schema = $c->model('DB');
@@ -97,7 +109,17 @@ sub update_item_model {
                     ();
                 } else {
                     # otherwise keep number
-                    { e164 => { cc => $_->cc, ac => $_->ac, sn => $_->sn } };
+                    if (!defined $_->voip_dbalias) {
+                        $c->log->debug("+++ no oldsub dbalias for sn " . $_->sn);
+                    } else {
+                        $c->log->debug("+++ oldsub dbalias for sn " . $_->sn . " is " . ($_->voip_dbalias->devid_alias//"undef"));
+                    }
+                    { e164 => {
+                            cc => $_->cc, ac => $_->ac, sn => $_->sn,
+                            is_devid => (defined $_->voip_dbalias ? $_->voip_dbalias->is_devid : 0),
+                            devid_alias => (defined $_->voip_dbalias ? $_->voip_dbalias->devid_alias : undef),
+                        }
+                    };
                 }
             }
         } @{ $oldalias } ];
@@ -121,11 +143,28 @@ sub update_item_model {
                     ();
                 } else {
                     # otherwise keep number
-                    { e164 => { cc => $_->cc, ac => $_->ac, sn => $_->sn } };
+                    if (!defined $_->voip_dbalias) {
+                        $c->log->debug("+++ no newsub dbalias for sn " . $_->sn);
+                    } else {
+                        $c->log->debug("+++ newsub dbalias for sn " . $_->sn . " is " . ($_->voip_dbalias->devid_alias//"undef"));
+                    }
+                    { e164 => {
+                            cc => $_->cc, ac => $_->ac, sn => $_->sn,
+                            is_devid => (defined $_->voip_dbalias ? $_->voip_dbalias->is_devid : 0),
+                            devid_alias => (defined $_->voip_dbalias ? $_->voip_dbalias->devid_alias : undef),
+                        }
+                    };
                 }
             }
         } @{ $newalias } ];
-        push @{ $newalias }, { e164 => { cc => $item->cc, ac => $item->ac, sn => $item->sn } };
+
+        use Data::Dumper; $c->log->debug(Dumper $resource);
+        push @{ $newalias }, { e164 => {
+                cc => $item->cc, ac => $item->ac, sn => $item->sn,
+                is_devid => $resource->{is_devid} // 0,
+                devid_alias => $resource->{devid_alias},
+            }
+        };
 
         NGCP::Panel::Utils::Subscriber::update_subscriber_numbers(
             c => $c,
@@ -157,14 +196,20 @@ sub update_item_model {
         return;
     }
 
-    # reload item, in case the id changed (which shouldn't happen)
     $item = $self->_item_rs($c)->find({
-        cc => $item->cc, ac => $item->ac, sn => $item->sn
+        cc => $item->cc, ac => $item->ac, sn => $item->sn,
     });
 
     return $item;
 }
 
+sub post_process_hal_resource {
+    my($self, $c, $item, $resource, $form) = @_;
+    $resource->{is_devid} = bool $item->voip_dbalias->is_devid;
+    $resource->{devid_alias} = $item->voip_dbalias->devid_alias;
+    return $resource;
+}
+
 
 1;
 
diff --git a/lib/NGCP/Panel/Field/AliasNumber.pm b/lib/NGCP/Panel/Field/AliasNumber.pm
index 87c3cfe2e4..98c4b2e03e 100644
--- a/lib/NGCP/Panel/Field/AliasNumber.pm
+++ b/lib/NGCP/Panel/Field/AliasNumber.pm
@@ -11,7 +11,7 @@ has_field 'id' => (
 
 has_field 'e164' => (
     type => '+NGCP::Panel::Field::E164', 
-    order => 99,
+    order => 97,
     required => 0,
     label => 'Alias Number',
     do_label => 1,
@@ -19,6 +19,36 @@ has_field 'e164' => (
     wrapper_class => [qw/hfh-rep-field/],
 );
 
+has_field 'is_devid' => (
+    type => 'Boolean',
+    required => 0,
+    label => 'Is Device ID',
+    do_label => 1,
+    do_wrapper => 1,
+    wrapper_class => [qw/hfh-rep-field/],
+    order => 98,
+    element_attr => {
+        rel => ['tooltip'],
+        title => ['When selected, a call to this alias number is only sent to registered devices indicating either the alias number or the optional alternative device id during registration in the Display-Name.']
+    },
+);
+
+has_field 'devid_alias' => (
+    type => 'Text',
+    required => 0,
+    maxlength => 127,
+    label => 'Alternative Device ID',
+    do_label => 1,
+    do_wrapper => 1,
+    wrapper_class => [qw/hfh-rep-field/],
+    order => 99,
+    element_attr => {
+        rel => ['tooltip'],
+        title => ['An optional device id to be configured on a phone, which is associated with this alias number (e.g. "softphone").']
+    },
+);
+
+
 has_field 'rm' => (
     type => 'RmElement',
     value => 'Remove',
@@ -26,6 +56,12 @@ has_field 'rm' => (
     element_class => [qw/btn btn-primary pull-right/],
 );
 
+has_block 'fields' => (
+    tag => 'div',
+    class => [qw/modal-body/],
+    render_list => [qw/e164 is_devid devid_alias/ ],
+);
+
 
 no Moose;
 1;
diff --git a/lib/NGCP/Panel/Field/E164Alias.pm b/lib/NGCP/Panel/Field/E164Alias.pm
new file mode 100644
index 0000000000..909bdb7abc
--- /dev/null
+++ b/lib/NGCP/Panel/Field/E164Alias.pm
@@ -0,0 +1,38 @@
+package NGCP::Panel::Field::E164Alias;
+use HTML::FormHandler::Moose;
+use NGCP::Panel::Field::E164;
+extends 'NGCP::Panel::Field::E164';
+
+has_field 'is_devid' => (
+    type => 'Boolean',
+    required => 0,
+    label => 'Is Device ID',
+    do_label => 1,
+    do_wrapper => 1,
+    wrapper_class => [qw/hfh-rep-field/],
+    order => 98,
+    element_attr => {
+        rel => ['tooltip'],
+        title => ['When selected, a call to this alias number is only sent to registered devices indicating either the alias number or the optional alternative device id during registration in the Display-Name.']
+    },
+);
+
+has_field 'devid_alias' => (
+    type => 'Text',
+    required => 0,
+    maxlength => 127,
+    label => 'Alternative Device ID',
+    do_label => 1,
+    do_wrapper => 1,
+    wrapper_class => [qw/hfh-rep-field/],
+    order => 99,
+    element_attr => {
+        rel => ['tooltip'],
+        title => ['An optional device id to be configured on a phone, which is associated with this alias number (e.g. "softphone").']
+    },
+);
+
+no Moose;
+1;
+
+# vim: set tabstop=4 expandtab:
diff --git a/lib/NGCP/Panel/Form/Number/SubadminAPI.pm b/lib/NGCP/Panel/Form/Number/SubadminAPI.pm
index ebac652985..6ec8ce84b2 100644
--- a/lib/NGCP/Panel/Form/Number/SubadminAPI.pm
+++ b/lib/NGCP/Panel/Form/Number/SubadminAPI.pm
@@ -44,5 +44,24 @@ has_field 'is_primary' => (
     },
 );
 
+has_field 'is_devid' => (
+    type => 'Boolean',
+    element_attr => {
+        rel => ['tooltip'],
+        title => ['When selected, a call to this alias number is only sent to registered devices indicating either the alias number or the optional alternative device id during registration in the Display-Name.']
+    },
+);
+
+has_field 'devid_alias' => (
+    type => 'Text',
+    required => 0,
+    maxlength => 127,
+    element_attr => {
+        rel => ['tooltip'],
+        title => ['An optional device id to be configured on a phone, which is associated with this alias number (e.g. "softphone").']
+    },
+);
+
+
 1;
 # vim: set tabstop=4 expandtab:
diff --git a/lib/NGCP/Panel/Form/Subscriber/SubscriberAPI.pm b/lib/NGCP/Panel/Form/Subscriber/SubscriberAPI.pm
index b4a1956eec..b9c0da82e9 100644
--- a/lib/NGCP/Panel/Form/Subscriber/SubscriberAPI.pm
+++ b/lib/NGCP/Panel/Form/Subscriber/SubscriberAPI.pm
@@ -38,7 +38,7 @@ has_field 'alias_numbers' => (
 );
 
 has_field 'alias_numbers.contains' => (
-    type => '+NGCP::Panel::Field::E164',
+    type => '+NGCP::Panel::Field::E164Alias',
 );
 
 has_field 'lock' => (
diff --git a/lib/NGCP/Panel/Form/Subscriber/SubscriberSubAdminAPI.pm b/lib/NGCP/Panel/Form/Subscriber/SubscriberSubAdminAPI.pm
index 653e30a164..a0de40f259 100644
--- a/lib/NGCP/Panel/Form/Subscriber/SubscriberSubAdminAPI.pm
+++ b/lib/NGCP/Panel/Form/Subscriber/SubscriberSubAdminAPI.pm
@@ -47,7 +47,7 @@ has_field 'webpassword' => (
 );
 
 has_field 'e164' => (
-    type => '+NGCP::Panel::Field::E164',
+    type => '+NGCP::Panel::Field::E164Alias',
     order => 99,
     required => 0,
     label => 'E164 Number',
diff --git a/lib/NGCP/Panel/Role/API/Numbers.pm b/lib/NGCP/Panel/Role/API/Numbers.pm
index d7a6106bab..25030755ea 100644
--- a/lib/NGCP/Panel/Role/API/Numbers.pm
+++ b/lib/NGCP/Panel/Role/API/Numbers.pm
@@ -45,7 +45,7 @@ sub _item_rs {
     },{
         '+select' => [\'if(me.id=subscriber.primary_number_id,1,0)'],
         '+as' => ['is_primary'],
-        join => 'subscriber'
+        join => 'subscriber',
     });
     if($c->user->roles eq "admin") {
     } elsif($c->user->roles eq "reseller") {
diff --git a/lib/NGCP/Panel/Role/API/Subscribers.pm b/lib/NGCP/Panel/Role/API/Subscribers.pm
index 9cab179d89..eb1cb9d32d 100644
--- a/lib/NGCP/Panel/Role/API/Subscribers.pm
+++ b/lib/NGCP/Panel/Role/API/Subscribers.pm
@@ -111,6 +111,10 @@ sub resource_from_item {
             };
             next if($resource{primary_number} &&
                compare($resource{primary_number}, $alias));
+            if (defined $n->voip_dbalias) {
+                $alias->{is_devid} = bool $n->voip_dbalias->is_devid;
+                $alias->{devid_alias} = $n->voip_dbalias->devid_alias;
+            }
             push @{ $resource{alias_numbers} }, $alias;
         }
     }
@@ -688,6 +692,7 @@ sub update_item {
         schema => $schema,
         subscriber => $subscriber,
     );
+
     try {
         NGCP::Panel::Utils::Subscriber::update_subscriber_numbers(
             c => $c,
diff --git a/lib/NGCP/Panel/Utils/Subscriber.pm b/lib/NGCP/Panel/Utils/Subscriber.pm
index 2cf1c231a7..2b22897db1 100644
--- a/lib/NGCP/Panel/Utils/Subscriber.pm
+++ b/lib/NGCP/Panel/Utils/Subscriber.pm
@@ -1111,14 +1111,18 @@ sub update_subscriber_numbers {
                 username => $cli,
             });
             if($dbalias) {
-                if($dbalias->is_primary) {
-                    $dbalias->update({ is_primary => 0 });
-                }
+                $dbalias->update({
+                    is_primary => 0,
+                    is_devid => $alias->{e164}->{is_devid} // 0,
+                    devid_alias => $alias->{e164}->{devid_alias},
+                });
             } else {
                 $dbalias = $prov_subs->voip_dbaliases->create({
                     username => $cli,
                     domain_id => $prov_subs->domain->id,
                     is_primary => 0,
+                    is_devid => $alias->{e164}->{is_devid} // 0,
+                    devid_alias => $alias->{e164}->{devid_alias},
                 });
             }
             if(defined $acli_pref) {
diff --git a/t/api-rest/api-subscribers.t b/t/api-rest/api-subscribers.t
index 2eb86a5827..b38772eb77 100644
--- a/t/api-rest/api-subscribers.t
+++ b/t/api-rest/api-subscribers.t
@@ -301,6 +301,8 @@ if($remote_config->{config}->{features}->{cloudpbx}){
         $pilot_local = $test_machine->get_item_hal('subscribers', '/api/subscribers/'.$pilot_local->{content}->{id}, 1);
 
 
+        $terminated_primary_number->{is_devid} = json_true;
+        $terminated_primary_number->{devid_alias} = 'something';
         $test_machine->check_patch2get([ { op => 'replace', path => '/alias_numbers', value => [@{$pilot_local->{content}->{alias_numbers}}, $terminated_primary_number] } ] , $pilot_local->{location},$put2get_check_params);
 
         $aliases = $test_machine->get_collection_hal('numbers', '/api/numbers/?type=alias&subscriber_id='.$pilot_local->{content}->{id}, 1)->{collection};
diff --git a/t/lib/Test/FakeData.pm b/t/lib/Test/FakeData.pm
index dc48bca937..6e2eccfe72 100644
--- a/t/lib/Test/FakeData.pm
+++ b/t/lib/Test/FakeData.pm
@@ -22,7 +22,7 @@ use File::Temp qw(tempfile);
 
 
 Moose::Exporter->setup_import_methods(
-    as_is     => [ 'seq' ],
+    as_is     => [ 'seq', 'json_true', 'json_false' ],
 );
 
 sub BUILD {
@@ -924,6 +924,15 @@ sub seq{
     return $number + $seq++;
 }
 
+my $json = '{"true": true, "false": false}';
+my $perl = decode_json $json;
+sub json_true {
+    return $perl->{true};
+}
+sub json_false {
+    return $perl->{false};
+}
+
 1;
 
 __END__