diff --git a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
index 5a58d84d..5aecd968 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
@@ -638,24 +638,12 @@ class BaresipService: Service() {
         if (ev[0] == "recorder sessionid") {
             val sessionId = ev[1].toInt()
             Log.d(TAG, "got recorder sessionid $sessionId")
-            if (AcousticEchoCanceler.isAvailable()) {
-                Log.i(TAG, "AcousticEchoCanceler IS available")
+            if (aec)
                 AcousticEchoCanceler.create(sessionId)
-            } else {
-                Log.i(TAG, "AcousticEchoCanceler IS NOT available")
-            }
-            if (AutomaticGainControl.isAvailable()) {
-                Log.i(TAG, "AutomaticGainControl IS available")
-                AutomaticGainControl.create(sessionId)
-            } else {
-                Log.i(TAG, "AutomaticGainControl IS NOT available")
-            }
-            if (NoiseSuppressor.isAvailable()) {
-                Log.i(TAG, "NoiseSuppressor IS available")
+            if (agc)
+                 AutomaticGainControl.create(sessionId)
+            if (ns)
                 NoiseSuppressor.create(sessionId)
-            } else {
-                Log.i(TAG, "NoiseSuppressor IS NOT available")
-            }
             return
         }
 
@@ -1641,7 +1629,9 @@ class BaresipService: Service() {
         // <aor, password> of those accounts that have auth username without auth password
         val aorPasswords = mutableMapOf<String, String>()
         var audioFocusRequest: AudioFocusRequestCompat? = null
-
+        var aec = AcousticEchoCanceler.isAvailable()
+        var agc = AutomaticGainControl.isAvailable()
+        private var ns = NoiseSuppressor.isAvailable()
         private var btAdapter: BluetoothAdapter? = null
 
         fun requestAudioFocus(ctx: Context): Boolean  {
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Config.kt b/app/src/main/kotlin/com/tutpro/baresip/Config.kt
index efe6feaa..b6473d7e 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Config.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Config.kt
@@ -154,11 +154,11 @@ object Config {
             if ("${module}.so" in previousModules)
                 config = "${config}module ${module}.so\n"
 
-        if ("webrtc_aecm.so" in previousModules)
+        if (!BaresipService.aec && "webrtc_aecm.so" in previousModules)
             config = "${config}module webrtc_aecm.so\n"
 
         val micGain = previousVariable("augain")
-        config = if (micGain == ""  || micGain == "1.0")
+        config = if (!BaresipService.agc && (micGain == ""  || micGain == "1.0"))
             "${config}augain 1.0\n"
         else
             "${config}module augain.so\naugain $micGain\n"