diff --git a/hikvision-doorbell/src/doorbell.py b/hikvision-doorbell/src/doorbell.py
index e42d3f7..f1fc2a6 100644
--- a/hikvision-doorbell/src/doorbell.py
+++ b/hikvision-doorbell/src/doorbell.py
@@ -99,7 +99,11 @@ def unlock_com(self, com_id: int):
                 "switch": "open"
             }
         }
-        self._call_isapi("PUT", url, json.dumps(requestBody))
+        try:
+            self._call_isapi("PUT", url, json.dumps(requestBody))
+        except SDKError as err:
+            # If error code is 10 (NET_DVR_NETWORK_RECV_TIMEOUT) suppress it,
+            raise err
         logger.info(" Com {} unlocked by ISAPI", com_id +1)
 
     def unlock_door(self, lock_id: int):
@@ -185,20 +189,34 @@ def _call_isapi(self, http_method: str, url: str, requestBody: str = "") -> str:
 
     def get_num_outputs_indoor(self) -> int:
         """
-        Get the number of output relays configured for the indoor station, manually only.
+        Get the number of output relays configured for the indoor station
         """
 
-        # Define various functions, each using a different method to gather this information
         def user_config() -> int:
             if self._config.output_relays is not None:
                 logger.debug("Using the configured number of switches: {}", self._config.output_relays)
                 return self._config.output_relays
-            else: 
-                return 0
+            logger.debug("No manual config found to define output relays for indoor")
             raise RuntimeError("No user configuration specified")
-        
+
+        def isapi_door_capabilities() -> int:
+            io_doors_xml = self._call_isapi("GET", "/ISAPI/AccessControl/RemoteControl/door/capabilities")
+            try:
+                root = ET.fromstring(io_doors_xml)
+                door_number_element = root.find('{*}channelNo')
+            except ET.ParseError:
+                logger.debug("Error parsing: {}", io_doors_xml)
+                return 0
+            # Error out if we don't find attribute `max` inside the `doorNo` element
+            if door_number_element is None :
+                # Print a string representation of the response XML
+                logger.debug("No door relays found for the indoor device")
+                return 0
+            #logger.debug("We have found {} door relays for the indoor device", door_number_element.text)
+            return door_number_element.text
+
         # Define the list of available endpoints to try
-        available_endpoints: list[Callable] = [user_config]
+        available_endpoints: list[Callable] = [user_config, isapi_door_capabilities]
         for endpoint in available_endpoints:
             # Invoke the endpoint, if it errors out try another one
             try:
@@ -256,7 +274,6 @@ def sdk_device_ability() -> int:
 
         def isapi_io_outputs() -> int:
             io_outputs_xml = self._call_isapi("GET", "/ISAPI/System/IO/outputs")
-            logger.debug("Response url for /ISAPI/System/IO/outputs: {}", io_outputs_xml)
             root = ET.fromstring(io_outputs_xml)
             if 'IOOutputPortList' not in root.tag:
                 # XML does not contain the required tag
@@ -266,7 +283,6 @@ def isapi_io_outputs() -> int:
         def isapi_remote_control() -> int:
             # Device does not support previous ISAPI endpoint, try another
             door_capabilities_xml = self._call_isapi("GET", "/ISAPI/AccessControl/RemoteControl/door/capabilities")
-            logger.debug("Response url for /ISAPI/AccessControl/RemoteControl/door/capabilities: {}", door_capabilities_xml)
             root = ET.fromstring(door_capabilities_xml)
 
             door_number_element = root.find('{*}doorNo')
@@ -294,13 +310,12 @@ def isapi_remote_control() -> int:
     def get_num_coms_indoor(self) -> int:
         """
         Get the number of com relays configured for this doorbell.
+        We can also use this method: POST /ISAPI/SecurityCP/status/outputStatus?format=json {"OutputCond":{"maxResults":2,"outputModuleNo":0,"searchID":"1","searchResultPosition":0}}
 
         """
 
-        # Define various functions, each using a different method to gather this information
         def isapi_device_info() -> int:
             io_coms_xml = self._call_isapi("GET", "/ISAPI/System/deviceInfo")
-            logger.debug("Response url for /ISAPI/System/IO/outputs: {}", io_coms_xml)
             root = ET.fromstring(io_coms_xml)
             com_number_element = root.find('{*}alarmOutNum')
             # Error out if we don't find attribute `max` inside the `doorNo` element
@@ -308,7 +323,7 @@ def isapi_device_info() -> int:
                 # Print a string representation of the response XML
                 logger.debug("No com ports found for the indoor device")
                 return 0
-            logger.debug("We have found {} com ports found for the indoor device", com_number_element.text)
+            logger.debug("We have found {} com ports for the indoor device", com_number_element.text)
             return int(com_number_element.text)
 
         # Define the list of available endpoints to try
@@ -322,8 +337,7 @@ def isapi_device_info() -> int:
                 pass
 
         # We have run out of available endpoints to call
-        #raise RuntimeError("Unable to get the number of doors, please configure the relays manually with this option in the config: output_relays")
-
+        raise RuntimeError("Unable to get the number of coms")
 
     def get_device_info(self):
         """Retrieve device information (model, sw version, etc) using the ISAPI endpoint.
diff --git a/hikvision-doorbell/src/mqtt.py b/hikvision-doorbell/src/mqtt.py
index 930b6ba..26d25f4 100644
--- a/hikvision-doorbell/src/mqtt.py
+++ b/hikvision-doorbell/src/mqtt.py
@@ -140,7 +140,7 @@ def __init__(self, config: AppConfig.MQTT, doorbells: Registry) -> None:
             if not doorbell._type is DeviceType.INDOOR:
                 num_doors = doorbell.get_num_outputs()
             else:
-                num_doors = doorbell.get_num_outputs_indoor()
+                num_doors = int(doorbell.get_num_outputs_indoor())
             logger.debug("Configuring {} door switches", num_doors)
             for door_id in range(num_doors):
                 door_switch_info = SwitchInfo(