diff --git a/LXST/Filters.py b/LXST/Filters.py
index 6f5e568..c5c870d 100644
--- a/LXST/Filters.py
+++ b/LXST/Filters.py
@@ -165,11 +165,12 @@ class BandPass(Filter):
     
     def handle_frame(self, frame, samplerate):
         # TODO: Remove debug
-        # st = time.time()
+        st = time.time()
         if len(frame) == 0: return frame        
         high_passed    = self._high_pass.handle_frame(frame, samplerate)        
         band_passed    = self._low_pass.handle_frame(high_passed, samplerate)
-        # RNS.log(f"Filter ran in {RNS.prettyshorttime(time.time()-st)}", RNS.LOG_DEBUG)
+        dt = time.time()-st
+        if dt > 0.010: RNS.log(f"Slow filter processing detected: Filter ran in {RNS.prettyshorttime(time.time()-st)}", RNS.LOG_DEBUG)
         return band_passed
 
 class AGC(Filter):
diff --git a/LXST/Primitives/Telephony.py b/LXST/Primitives/Telephony.py
index 217fe9f..4de9bd6 100644
--- a/LXST/Primitives/Telephony.py
+++ b/LXST/Primitives/Telephony.py
@@ -370,6 +370,20 @@ class Telephone(SignallingReceiver):
         else:
             if not hasattr(self.active_call, "profile"): return None
             else:                                        return self.active_call.profile
+
+    @property
+    def receive_muted(self):
+        if not self.active_call: return False
+        else:
+            if not self.receive_mixer: return False
+            else: return self.receive_mixer.muted
+
+    @property
+    def transmit_muted(self):
+        if not self.active_call: return False
+        else:
+            if not self.transmit_mixer: return False
+            else: return self.transmit_mixer.muted
     
     def signal(self, signal, link):
         if signal in Signalling.AUTO_STATUS_CODES: self.call_status = signal
@@ -431,7 +445,7 @@ class Telephone(SignallingReceiver):
         if self.receive_mixer: self.receive_mixer.mute(mute)
 
     def unmute_receive(self, unmute=True):
-        if self.receive_mixer: self.receive_mixer.unmute(mute)
+        if self.receive_mixer: self.receive_mixer.unmute(unmute)
 
     def mute_transmit(self, mute=True):
         if self.transmit_mixer: self.transmit_mixer.mute(mute)