diff --git a/README.md b/README.md
index e1d7e19..223d57d 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,14 @@ object to get the devices.
         print_r($device);
     }
 
+## Experimental Features
+
+### DCP
+
+The DCPs (Device Control Protocol) are used to interact with services. This
+can be f.ex. managing UPnP portmapping in your router or controlling a media
+player.
+
 ## Search targets
 
 To find everything, use `ALL`:
diff --git a/bin/upnp-discover b/bin/upnp-discover
index 94ec321..14cb075 100755
--- a/bin/upnp-discover
+++ b/bin/upnp-discover
@@ -10,10 +10,11 @@
 
 require_once __DIR__."/../vendor/autoload.php";
 
+use NoccyLabs\UPnP\SSDP\Device;
 use NoccyLabs\UPnP\SSDP\Discovery;
 use NoccyLabs\UPnP\SSDP\SearchTarget;
 
-$opt_short = "hARd:s:u:D:l";
+$opt_short = "hARd:s:u:D:lj";
 $opt_long = [
     "help",     // -h
     "all",      // -A
@@ -22,7 +23,8 @@ $opt_long = [
     "service:", // -s:
     "uuid:",    // -u:
     "domain:",  // -D:
-    "long",
+    "long",     // -l
+    "json",     // -j
 ];
 $help = <<<EOH
 upnp-discover - Discover UPnP devices on the local network
@@ -39,6 +41,7 @@ Options:
   -D, --domain      Combine with -d or -s to search for specific vendor domains.
   -u, --uuid        Find by UUID
   -l, --long        Include all info in output
+  -j, --json        Output JSON
 
 Examples:
 
@@ -69,7 +72,8 @@ $opts = (object)[
     'service'=>null,
     'domain'=>null,
     'uuid'=>null,
-    'long'=>null
+    'long'=>null,
+    'json'=>null
 ];
 
 foreach (getopt($opt_short, $opt_long) as $opt=>$value) switch ($opt) {
@@ -97,6 +101,9 @@ foreach (getopt($opt_short, $opt_long) as $opt=>$value) switch ($opt) {
     case 'long':
     case 'l':
         $opts->long = true; break;
+    case 'json':
+    case 'j':
+        $opts->json = true; break;
 }
 
 if ($opts->device && $opts->service) {
@@ -190,17 +197,54 @@ function discover_root() {
 }
 
 function show_results(Discovery $discovery) {
-    foreach ($discovery as $device) {
-        printf("  %s: %s (%s) %s [%s]\n", 
-            $device->getFriendlyName(),
-            $device->getModelName(), 
-            $device->getManufacturer(), 
-            $device->getDeviceType(),
-            $device->getIp()             
-        );
-        foreach ($device->getServices() as $service) {
-            printf("    + %s\n", $service->getServiceType());
-        }
+    global $opts;
+    if ($opts->long) {
+        show_results_long($discovery);
+    } elseif ($opts->json) {
+        show_results_json($discovery);
+    } else {
+        show_results_short($discovery);
     }
-    
-}
\ No newline at end of file
+}
+
+function show_results_short(Discovery $discovery) {
+    foreach ($discovery as $device) {
+        printf(" * \e[94m%s: %s \e[1m%s\e[21m (%s) [%s]\e[0m\n", 
+            $device->getFriendlyName(),
+            $device->getManufacturer(), 
+            $device->getModelName(), 
+            $device->getDeviceType(),
+            $device->getIp()
+        );
+    }
+}
+
+
+
+function show_results_long(Discovery $discovery) {
+    foreach ($discovery as $device) {
+        show_device_long($device);
+    }
+}
+
+function show_device_long(Device $device, $level=0) {
+    $indent = str_repeat("   ",$level);
+    printf("{$indent} * \e[92m%s\e[94m: %s \e[1m%s\e[21m (\e[34m%s\e[94m) [%s]\e[0m\n", 
+        $device->getFriendlyName(),
+        $device->getManufacturer(), 
+        $device->getModelName(), 
+        $device->getDeviceType(),
+        $device->getIp()             
+    );
+    printf("{$indent}   \e[32m%s\e[0m\n", $device->getUrl());
+    foreach ($device->getServices() as $service) {
+        printf("{$indent}    + \e[36m%s\e[0m\n{$indent}      \e[32m%s\e[0m\n", $service->getServiceType(), $service->getServiceUrl());
+    }
+    foreach ($device->getDevices() as $subdevice) {
+        show_device_long($subdevice, $level+1);
+    }
+}
+
+function show_results_json(Discovery $discovery) {
+    echo json_encode($discovery, JSON_PRETTY_PRINT|JSON_UNESCAPED_SLASHES)."\n";
+}
diff --git a/src/DCP/AbstractDevice.php b/src/DCP/AbstractDevice.php
new file mode 100644
index 0000000..43629f1
--- /dev/null
+++ b/src/DCP/AbstractDevice.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace NoccyLabs\UPnP\DCP;
+
+use NoccyLabs\UPnP\DCP\AbstractDevice;
+use NoccyLabs\UPnP\SSDP\Device;
+
+abstract class AbstractDevice
+{
+    /** @var Device The device this DCP operates on */
+    protected $device;
+
+    /**
+     *
+     *
+     * @param Device $device The device for the DCP
+     */
+    public function __construct(Device $device)
+    {
+        $this->device = $device;
+    }
+}
\ No newline at end of file
diff --git a/src/DCP/AbstractService.php b/src/DCP/AbstractService.php
new file mode 100644
index 0000000..8d3c3e0
--- /dev/null
+++ b/src/DCP/AbstractService.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace NoccyLabs\UPnP\DCP;
+
+use NoccyLabs\UPnP\DCP\AbstractService;
+use NoccyLabs\UPnP\SSDP\Device;
+use NoccyLabs\UPnP\SSDP\Service;
+
+abstract class AbstractService
+{
+    /** @var Service The service this DCP operates on */
+    protected $service;
+    /** @var Device The device this DCP operates on */
+    protected $device;
+
+    /**
+     *
+     *
+     * @param Device $device The device for the DCP
+     * @param Service $service The service for the DCP
+     */
+    public function __construct(Device $device, Service $service)
+    {
+        $this->device = $device;
+        $this->service = $service;
+    }
+
+    private function readScpdServiceDefinition($url)
+    {}
+
+    /**
+     * Get the schema to pass as the XML namespace when sending the SOAP request
+     * to the device.
+     *
+     * @return string The schema
+     */
+    abstract protected function getSchemaUrn();
+}
\ No newline at end of file
diff --git a/src/SSDP/Device.php b/src/SSDP/Device.php
index a0570a6..db22b8a 100644
--- a/src/SSDP/Device.php
+++ b/src/SSDP/Device.php
@@ -17,8 +17,9 @@ namespace NoccyLabs\UPnP\SSDP;
 */
 
 use SimpleXMLElement;
+use JsonSerializable;
 
-class Device
+class Device implements JsonSerializable
 {
 
     protected $deviceType;
@@ -86,7 +87,7 @@ class Device
         $services = $spec->serviceList;
         if (count($services)>0) {
             foreach ($services->children() as $service) {
-                $this->services[] = new Service($service);
+                $this->services[] = new Service($this, $service);
             }
         }
 
@@ -163,5 +164,16 @@ class Device
         return $info;
 
     }
+
+
+    public function createServiceWrapper($type)
+    {
+
+    }
+    
+    public function jsonSerialize()
+    {
+        return get_object_vars($this);
+    }
 }
 
diff --git a/src/SSDP/Discovery.php b/src/SSDP/Discovery.php
index 670a2bb..9061095 100644
--- a/src/SSDP/Discovery.php
+++ b/src/SSDP/Discovery.php
@@ -4,6 +4,7 @@ namespace NoccyLabs\UPnP\SSDP;
 
 use IteratorAggregate;
 use ArrayIterator;
+use JsonSerializable;
 use NoccyLabs\UPnP\HTTPU\Endpoint;
 use NoccyLabs\UPnP\HTTPU\EndpointException;
 use NoccyLabs\UPnP\HTTPU\MSearchRequest;
@@ -14,7 +15,7 @@ use NoccyLabs\UPnP\HTTPU\MSearchResponse;
  *
  *
  */
-class Discovery implements IteratorAggregate
+class Discovery implements IteratorAggregate, JsonSerializable
 {
 
     protected $devices = [];
@@ -52,10 +53,14 @@ class Discovery implements IteratorAggregate
                     continue;
                 }
                 $device = Device::createFromSchema($response->getLocation(), $response->getIp());
-                $this->devices[$loc] = $device;
+                if ($device) {
+                    $this->devices[$loc] = $device;
+                }
             }
         }
 
+        $this->devices = array_values($this->devices);
+
         return count($this->devices);
 
     }
@@ -65,5 +70,10 @@ class Discovery implements IteratorAggregate
         return new ArrayIterator($this->devices);
     }
 
+    public function jsonSerialize()
+    {
+        return $this->devices;
+    }
+
 }
 
diff --git a/src/SSDP/Service.php b/src/SSDP/Service.php
index b90fa9b..5dc5297 100644
--- a/src/SSDP/Service.php
+++ b/src/SSDP/Service.php
@@ -10,10 +10,13 @@ namespace NoccyLabs\UPnP\SSDP;
     <eventSubURL>/evt/L3F</eventSubURL>
 */
 
+use JsonSerializable;
 use SimpleXMLElement;
 
-class Service
+class Service implements JsonSerializable
 {
+    protected $device;
+
     protected $serviceType;
 
     protected $serviceId;
@@ -24,9 +27,10 @@ class Service
 
     protected $eventSubUrl;
 
-    public function __construct(SimpleXMLElement $spec)
+    public function __construct(Device $device, SimpleXMLElement $spec)
     {
 
+        $this->device =             $device;
         $this->serviceType =        (string)$spec->serviceType;
         $this->serviceId =          (string)$spec->serviceId;
         $this->scpdUrl =            (string)$spec->SCPDURL;
@@ -50,6 +54,26 @@ class Service
         return $this->scpdUrl;
     }
 
+    public function getServiceUrl()
+    {
+        if (strpos($this->scpdUrl,"://")!==false) {
+            return $this->scpdUrl;
+        }
+
+        $dev = ['user'=>null, 'pass'=>null, 'port'=>80, 'path'=>null];
+        $dev = array_merge($dev, parse_url($this->device->getUrl()));
+        $url = $this->scpdUrl;
+
+        $auth = $dev['user']?($dev['user'].":".$dev['path']):"";
+        $base = $dev['scheme']."://".$dev['host'].":".($dev['port']?:80);
+        if ($url[0]=="/") {
+            return $base.$url;
+        } else {
+            return $base.rtrim($dev['path'],"/")."/".$url;
+        }
+
+    }
+
     public function getControlUrl()
     {
         return $this->controlUrl;
@@ -71,5 +95,10 @@ class Service
         );
     }
 
+    public function jsonSerialize()
+    {
+        return get_object_vars($this);
+    }
+
 }