diff --git a/pyVoIP/VoIP/phone.py b/pyVoIP/VoIP/phone.py
index 5167e50..b329fa5 100644
--- a/pyVoIP/VoIP/phone.py
+++ b/pyVoIP/VoIP/phone.py
@@ -11,7 +11,7 @@
 )
 from pyVoIP.VoIP.status import PhoneStatus
 from threading import Timer, Lock
-from typing import Callable, Dict, List, Optional, Type
+from typing import Dict, List, Optional, Type
 from dataclasses import dataclass
 import pyVoIP
 import random