diff --git a/android/map-client.c b/android/map-client.c
index 4556461..142c680 100644
--- a/android/map-client.c
+++ b/android/map-client.c
@@ -28,17 +28,49 @@
 #include <stdbool.h>
 #include <stdlib.h>
 #include <stdint.h>
+#include <glib.h>
 
 #include "ipc.h"
 #include "lib/bluetooth.h"
 #include "map-client.h"
+#include "src/log.h"
+#include "hal-msg.h"
+
+static struct ipc *hal_ipc = NULL;
+static bdaddr_t adapter_addr;
+
+static void handle_get_instances(const void *buf, uint16_t len)
+{
+	DBG("");
+
+	ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_MAP_CLIENT,
+			HAL_OP_MAP_CLIENT_GET_INSTANCES, HAL_STATUS_FAILED);
+}
+
+static const struct ipc_handler cmd_handlers[] = {
+	/* HAL_OP_MAP_CLIENT_GET_INSTANCES */
+	{ handle_get_instances, false,
+			sizeof(struct hal_cmd_map_client_get_instances) },
+};
 
 bool bt_map_client_register(struct ipc *ipc, const bdaddr_t *addr, uint8_t mode)
 {
-	return false;
+	DBG("");
+
+	bacpy(&adapter_addr, addr);
+
+	hal_ipc = ipc;
+
+	ipc_register(hal_ipc, HAL_SERVICE_ID_MAP_CLIENT, cmd_handlers,
+						G_N_ELEMENTS(cmd_handlers));
+
+	return true;
 }
 
 void bt_map_client_unregister(void)
 {
+	DBG("");
 
+	ipc_unregister(hal_ipc, HAL_SERVICE_ID_MAP_CLIENT);
+	hal_ipc = NULL;
 }