diff --git a/example/test.c b/example/test.c
index f92e91a2b..b2483bddd 100644
--- a/example/test.c
+++ b/example/test.c
@@ -28,7 +28,7 @@ void event_handler(uint8_t *packet, uint16_t size){
         bt_send_cmd(&hci_write_local_name, "BTstack-Test");
     }
     
-	// use pairing
+	// use pairing yes/no
     if ( COMMAND_COMPLETE_EVENT(packet, hci_write_local_name) ) {
         bt_send_cmd(&hci_write_authentication_enable, 0);
     }
@@ -46,7 +46,7 @@ void event_handler(uint8_t *packet, uint16_t size){
 	
 	// inform about new l2cap connection
 	if (packet[0] == HCI_EVENT_L2CAP_CHANNEL_OPENED){
-		printf("Channel successfully opened, handle 0x%02x, local cid 0x%02x\n", READ_BT_16(packet, 2), READ_BT_16(packet, 4));;
+		printf("Channel successfully opened, handle 0x%02x, source cid 0x%02x, dest cid 0x%02x\n", READ_BT_16(packet, 2), READ_BT_16(packet, 4),  READ_BT_16(packet, 6));;
 	}
 }
 
diff --git a/src/btstack.c b/src/btstack.c
index be8b081b9..d3b5f4390 100644
--- a/src/btstack.c
+++ b/src/btstack.c
@@ -119,11 +119,12 @@ void l2cap_signaling_handler(l2cap_channel_t *channel, uint8_t *packet, uint16_t
                     channel->state = L2CAP_STATE_OPEN;
                     
                     //  notify client
-                    uint8_t event[6];
+                    uint8_t event[8];
                     event[0] = HCI_EVENT_L2CAP_CHANNEL_OPENED;
-                    event[1] = 4;
+                    event[1] = 6;
                     bt_store_16(event, 2, channel->handle);
                     bt_store_16(event, 4, channel->source_cid);
+                    bt_store_16(event, 6, channel->dest_cid);
                     (*channel->event_callback)(event, sizeof(event));
                     break;
             }
@@ -264,7 +265,34 @@ l2cap_channel_t * l2cap_create_channel(bd_addr_t address, uint16_t psm, void (*e
     return chan;
 }
 
-void l2cap_disconnect(l2cap_channel_t *channel, uint8_t reason){
+void l2cap_send(uint16_t source_cid, uint8_t *data, uint16_t len){
+    // find channel for source_cid, construct l2cap packet and send
+    linked_item_t *it;
+    for (it = (linked_item_t *) l2cap_channels; it ; it = it->next){
+        l2cap_channel_t * channel = (l2cap_channel_t *) it;
+        if ( channel->source_cid == source_cid) {
+
+            // use hci_cmd_buffer for now
+            
+            // 0 - Connection handle : PB=10 : BC=00 
+            bt_store_16(hci_cmd_buffer, 0, channel->handle | (2 << 12) | (0 << 14));
+            // 2 - ACL length
+            bt_store_16(hci_cmd_buffer, 2,  len + 4);
+            // 4 - L2CAP packet length
+            bt_store_16(hci_cmd_buffer, 4,  len + 0);
+            // 6 - L2CAP channel DEST
+            bt_store_16(hci_cmd_buffer, 6, channel->dest_cid);
+            // 8 - data
+            memcpy(&hci_cmd_buffer[8], data, len);
+            // send
+            bt_send_acl_packet(hci_cmd_buffer, len+8);
+            
+            return;
+        }
+    }
+}
+
+void l2cap_disconnect(uint16_t source_cid, uint8_t reason){
     // TODO implement
 }
 
diff --git a/src/btstack.h b/src/btstack.h
index ba72e446f..fb58c4c1a 100644
--- a/src/btstack.h
+++ b/src/btstack.h
@@ -36,4 +36,6 @@ int bt_send_l2cap_signaling_packet(hci_con_handle_t handle, L2CAP_SIGNALING_COMM
 // outgoing connections
 l2cap_channel_t * l2cap_create_channel(bd_addr_t bd_addr, uint16_t psm, void (*event_cb)(uint8_t *packet, uint16_t size),
                                        void (*data_cb)(uint8_t *packet, uint16_t size));
-void l2cap_disconnect(l2cap_channel_t *channel, uint8_t reason);
+void l2cap_disconnect(uint16_t source_cid, uint8_t reason);
+
+void l2cap_send(uint16_t source_cid, uint8_t *data, uint16_t len);