diff --git a/aprsd/client/client.py b/aprsd/client/client.py
index 191854e..b5dcc69 100644
--- a/aprsd/client/client.py
+++ b/aprsd/client/client.py
@@ -38,15 +38,16 @@ class APRSDClient:
             keepalive_collector.KeepAliveCollector().register(cls)
         return cls._instance
 
-    def __init__(self):
+    def __init__(self, auto_connect: bool = True):
+        self.auto_connect = auto_connect
         self.connected = False
         self.login_status = {
             'success': False,
             'message': None,
         }
-        if not self.driver:
-            self.driver = DriverRegistry().get_driver()
-            self.driver.setup_connection()
+        self.driver = DriverRegistry().get_driver()
+        if self.auto_connect:
+            self.connect()
 
     def stats(self, serializable=False) -> dict:
         stats = {}
@@ -54,17 +55,20 @@ class APRSDClient:
             stats = self.driver.stats(serializable=serializable)
         return stats
 
-    @property
-    def is_enabled(self):
-        if not self.driver:
-            return False
-        return self.driver.is_enabled()
+    @staticmethod
+    def is_enabled():
+        for driver in DriverRegistry().drivers:
+            if driver.is_enabled():
+                return True
+        return False
 
-    @property
-    def is_configured(self):
-        if not self.driver:
-            return False
-        return self.driver.is_configured()
+    @staticmethod
+    def is_configured():
+        """Check if ANY driver is configured."""
+        for driver in DriverRegistry().drivers:
+            if driver.is_configured():
+                return True
+        return False
 
     # @property
     # def is_connected(self):
@@ -98,6 +102,11 @@ class APRSDClient:
     def is_alive(self):
         return self.driver.is_alive()
 
+    def connect(self):
+        if not self.driver:
+            self.driver = DriverRegistry().get_driver()
+        self.driver.setup_connection()
+
     def close(self):
         if not self.driver:
             return
@@ -109,7 +118,8 @@ class APRSDClient:
         LOG.info('Resetting client connection.')
         if self.driver:
             self.driver.close()
-            self.driver.setup_connection()
+            if not self.delay_connect:
+                self.driver.setup_connection()
             if self.filter:
                 self.driver.set_filter(self.filter)
         else:
diff --git a/aprsd/client/drivers/aprsis.py b/aprsd/client/drivers/aprsis.py
index 188fe15..d472560 100644
--- a/aprsd/client/drivers/aprsis.py
+++ b/aprsd/client/drivers/aprsis.py
@@ -26,6 +26,7 @@ class APRSISDriver:
 
     _client = None
     _checks = False
+    connected = False
 
     def __init__(self):
         max_timeout = {'hours': 0.0, 'minutes': 2, 'seconds': 0}
@@ -164,7 +165,7 @@ class APRSISDriver:
         return core.factory(args[0])
 
     def consumer(self, callback: Callable, raw: bool = False):
-        if self._client:
+        if self._client and self.connected:
             try:
                 self._client.consumer(
                     callback,
@@ -177,7 +178,6 @@ class APRSISDriver:
                 LOG.info(e.__cause__)
                 raise e
         else:
-            LOG.warning('client is None, might be resetting.')
             self.connected = False
 
     def stats(self, serializable: bool = False) -> dict:
diff --git a/aprsd/client/drivers/tcpkiss.py b/aprsd/client/drivers/tcpkiss.py
index d6c456c..3f28f76 100644
--- a/aprsd/client/drivers/tcpkiss.py
+++ b/aprsd/client/drivers/tcpkiss.py
@@ -79,7 +79,7 @@ class TCPKISSDriver:
     def transport(self) -> str:
         return client.TRANSPORT_TCPKISS
 
-    @classmethod
+    @staticmethod
     def is_enabled(cls) -> bool:
         """Check if KISS is enabled in configuration.
 
diff --git a/aprsd/conf/common.py b/aprsd/conf/common.py
index cd24603..5167527 100644
--- a/aprsd/conf/common.py
+++ b/aprsd/conf/common.py
@@ -19,7 +19,7 @@ registry_group = cfg.OptGroup(
 aprsd_opts = [
     cfg.StrOpt(
         'callsign',
-        required=True,
+        default='NOCALL',
         help='Callsign to use for messages sent by APRSD',
     ),
     cfg.BoolOpt(
diff --git a/aprsd/exception.py b/aprsd/exception.py
index 2f15728..05febd7 100644
--- a/aprsd/exception.py
+++ b/aprsd/exception.py
@@ -13,3 +13,10 @@ class ConfigOptionBogusDefaultException(Exception):
             f"Config file option '{config_option}' needs to be "
             f"changed from provided default of '{default_fail}'"
         )
+
+
+class APRSClientNotConfiguredException(Exception):
+    """APRS client is not configured."""
+
+    def __init__(self):
+        self.message = 'APRS client is not configured.'