diff --git a/app/Classes/FTN/Packet.php b/app/Classes/FTN/Packet.php
index 3eb0e9c..8559643 100644
--- a/app/Classes/FTN/Packet.php
+++ b/app/Classes/FTN/Packet.php
@@ -22,11 +22,11 @@ class Packet extends FTNBase implements \Iterator, \Countable
 	private const BLOCKSIZE			= 1024;
 	protected const PACKED_MSG_LEAD	= "\02\00";
 
-	private const PACKET_TYPES 		= [
-		FTNBase\Packet\FSC45::class,
-		FTNBase\Packet\FSC48::class,
-		FTNBase\Packet\FSC39::class,
-		FTNBase\Packet\FTS1::class,
+	public const PACKET_TYPES 		= [
+		'2.2'	=> FTNBase\Packet\FSC45::class,
+		'2+'	=> FTNBase\Packet\FSC48::class,
+		'2e'	=> FTNBase\Packet\FSC39::class,
+		'2.0'	=> FTNBase\Packet\FTS1::class,
 	];
 
 	protected array $header;			// Packet Header
diff --git a/app/Http/Controllers/SystemController.php b/app/Http/Controllers/SystemController.php
index 01bd09c..7674229 100644
--- a/app/Http/Controllers/SystemController.php
+++ b/app/Http/Controllers/SystemController.php
@@ -276,7 +276,7 @@ class SystemController extends Controller
 		$this->authorize('update',$o);
 
 		if ($request->post()) {
-			foreach (['name','location','sysop','hold','phone','address','port','active','method','notes','mailer_type','mailer_address','mailer_port','zt_id'] as $key)
+			foreach (['name','location','sysop','hold','phone','address','port','active','method','notes','mailer_type','mailer_address','mailer_port','zt_id','pkt_type'] as $key)
 				$o->{$key} = $request->post($key);
 
 			$o->save();
diff --git a/app/Http/Requests/SystemRegister.php b/app/Http/Requests/SystemRegister.php
index 82aea87..3733ddf 100644
--- a/app/Http/Requests/SystemRegister.php
+++ b/app/Http/Requests/SystemRegister.php
@@ -5,7 +5,9 @@ namespace App\Http\Requests;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Gate;
+use Illuminate\Validation\Rule;
 
+use App\Classes\FTN\Packet;
 use App\Models\System;
 
 class SystemRegister extends FormRequest
@@ -48,7 +50,6 @@ class SystemRegister extends FormRequest
 			],
 			($this->so->exists || ($request->action !== 'create')) ? [
 				'location' => 'required|min:3',
-
 				'sysop' => 'required|min:3',
 				'phone' => 'nullable|regex:/^([0-9-]+)$/',
 				'address' => 'nullable|regex:/^(?!:\/\/)(?=.{1,255}$)((.{1,63}\.){1,127}(?![0-9]*$)[a-z0-9-]+\.?)$/i',
@@ -58,6 +59,7 @@ class SystemRegister extends FormRequest
 				'mailer_address' => 'nullable|regex:/^(?!:\/\/)(?=.{1,255}$)((.{1,63}\.){1,127}(?![0-9]*$)[a-z0-9-]+\.?)$/i',
 				'mailer_port' => 'nullable|digits_between:2,5',
 				'zt_id' => 'nullable|size:10|regex:/^([A-Fa-f0-9]){10}$/|unique:systems,zt_id,'.($this->so->exists ? $this->so->id : 0),
+				'pkt_type' => ['required',Rule::in(array_keys(Packet::PACKET_TYPES))],
 			] : [],
 			$this->so->exists ? [
 				'active' => 'required|boolean',
diff --git a/app/Models/Address.php b/app/Models/Address.php
index 85ba9ef..5750b7e 100644
--- a/app/Models/Address.php
+++ b/app/Models/Address.php
@@ -650,8 +650,9 @@ class Address extends Model
 		if (! $ao)
 			return NULL;
 
-		// @todo make packet type configurable by each system
-		$o = new Packet\FSC48;
+		// Get packet type
+		$type = collect(Packet::PACKET_TYPES)->get($this->system->pkt_type ?: config('app.default_pkt'));
+		$o = new $type;
 		$o->addressHeader($ao,$this);
 
 		// $oo = Netmail/Echomail Model
diff --git a/config/app.php b/config/app.php
index fb260e7..aa05c62 100644
--- a/config/app.php
+++ b/config/app.php
@@ -20,6 +20,7 @@ return [
 
     // Number of messages in a packet that will result in them being queued for processing
     'queue_msgs' => env('FIDO_QUEUE_MSGS', 50),
+    'default_pkt' => env('FIDO_DEFAULT_PACKET', '2+'),
 
     /*
     |--------------------------------------------------------------------------
@@ -242,4 +243,4 @@ return [
 
     ],
 
-];
\ No newline at end of file
+];
diff --git a/database/migrations/2023_06_23_170537_unique_filenames.php b/database/migrations/2023_06_23_170537_unique_filenames.php
index ce5645a..339ed91 100644
--- a/database/migrations/2023_06_23_170537_unique_filenames.php
+++ b/database/migrations/2023_06_23_170537_unique_filenames.php
@@ -29,6 +29,8 @@ return new class extends Migration
      */
     public function down()
     {
-        //
+		Schema::table('files',function (Blueprint $table) {
+			$table->dropUnique(['filearea_id','name']);
+		});
     }
 };
diff --git a/database/migrations/2023_06_26_185441_node_packet_type.php b/database/migrations/2023_06_26_185441_node_packet_type.php
new file mode 100644
index 0000000..194414f
--- /dev/null
+++ b/database/migrations/2023_06_26_185441_node_packet_type.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+		Schema::table('systems',function (Blueprint $table) {
+			$table->string('pkt_type')->nullable();
+		});
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+		Schema::table('systems',function (Blueprint $table) {
+			$table->dropColumn(['pkt_type']);
+		});
+    }
+};
diff --git a/resources/views/system/widget/form-system.blade.php b/resources/views/system/widget/form-system.blade.php
index 76a04f3..35a4e61 100644
--- a/resources/views/system/widget/form-system.blade.php
+++ b/resources/views/system/widget/form-system.blade.php
@@ -151,6 +151,24 @@
 					</span>
 				</div>
 			</div>
+
+			<div class="col-2">
+				<label for="pkt_type" class="form-label">Mail Packet</label>
+				<div class="input-group">
+					<span class="input-group-text"><i class="bi bi-wifi"></i></span>
+					<select class="form-select @error('pkt_type') is-invalid @enderror" id="pkt_type" name="pkt_type" @cannot($action,$o)readonly @endcannot>
+						@foreach (\App\Classes\FTN\Packet::PACKET_TYPES as $type => $class)
+							<option value="{{ $type }}" @if(old('pkt_type',$o->pkt_type ?: config('app.default_pkt')) === $type)selected @endif>{{ $type }}</option>
+						@endforeach
+					</select>
+					<span class="invalid-feedback" role="alert">
+						@error('pkt_type')
+							{{ $message }}
+						@enderror
+					</span>
+				</div>
+			</div>
+
 		</div>
 	</div>
 </div>