diff --git a/app/src/main/kotlin/com/tutpro/baresip/AudioActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/AudioActivity.kt
index f9b5f862..8039dc1c 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/AudioActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/AudioActivity.kt
@@ -27,6 +27,7 @@ class AudioActivity : AppCompatActivity() {
     private var oldOpusBitrate = ""
     private var oldOpusPacketLoss = ""
     private var oldAec = false
+    private var toneCountry = BaresipService.toneCountry
 
     private val onBackPressedCallback = object : OnBackPressedCallback(true) {
         override fun handleOnBackPressed() {
@@ -123,6 +124,27 @@ class AudioActivity : AppCompatActivity() {
         audioDelay = binding.AudioDelay
         audioDelay.setText(BaresipService.audioDelay.toString())
 
+        val toneCountrySpinner = binding.ToneCountrySpinner
+        val toneCountryKeys = arrayListOf("bg", "br", "de", "cz", "es", "fi", "fr", "uk", "jp", "no", "nz", "se", "ru", "us")
+        val toneCountryVals = arrayListOf("BG", "BR", "DE", "CZ", "ES", "FI", "FR", "GB", "JP", "NO", "NZ", "SE", "RU", "US")
+        val keyIx = toneCountryKeys.indexOf(toneCountry)
+        val keyVal = toneCountryVals.elementAt(keyIx)
+        toneCountryKeys.removeAt(keyIx)
+        toneCountryVals.removeAt(keyIx)
+        toneCountryKeys.add(0, toneCountry)
+        toneCountryVals.add(0, keyVal)
+        val toneCountryAdapter = ArrayAdapter(this,android.R.layout.simple_spinner_item,
+            toneCountryVals)
+        toneCountryAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
+        toneCountrySpinner.adapter = toneCountryAdapter
+        toneCountrySpinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+            override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
+                toneCountry = toneCountryKeys[toneCountryVals.indexOf(parent.selectedItem.toString())]
+            }
+            override fun onNothingSelected(parent: AdapterView<*>) {
+            }
+        }
+
         bindTitles()
 
         onBackPressedDispatcher.addCallback(this, onBackPressedCallback)
@@ -228,6 +250,12 @@ class AudioActivity : AppCompatActivity() {
                     save = true
                 }
 
+                if (BaresipService.toneCountry != toneCountry) {
+                    BaresipService.toneCountry = toneCountry
+                    Config.replaceVariable("tone_country", toneCountry)
+                    save = true
+                }
+
                 if (save)
                     Config.save()
 
@@ -279,6 +307,10 @@ class AudioActivity : AppCompatActivity() {
             Utils.alertView(this, getString(R.string.audio_delay),
                     getString(R.string.audio_delay_help))
         }
+        binding.ToneCountryTitle.setOnClickListener {
+            Utils.alertView(this, getString(R.string.tone_country),
+                getString(R.string.tone_country_help))
+        }
     }
 
     private fun checkOpusBitRate(opusBitRate: String): Boolean {
diff --git a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
index f03455c5..4cd70ad5 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
@@ -564,7 +564,7 @@ class BaresipService: Service() {
             sendBroadcast(Intent("com.tutpro.baresip.Restart"))
     }
 
-    @SuppressLint("UnspecifiedImmutableFlag")
+    @SuppressLint("UnspecifiedImmutableFlag", "DiscouragedApi")
     @Keep
     fun uaEvent(event: String, uap: Long, callp: Long) {
 
@@ -698,7 +698,16 @@ class BaresipService: Service() {
                             Log.d(TAG, "Auto-rejecting incoming call $uap/$callp/$peerUri")
                             Api.ua_hangup(uap, callp, 486, "Busy Here")
                             toast(toastMsg)
-                            playUnInterrupted(R.raw.callwaiting, 1)
+                            val name = "callwaiting_$toneCountry"
+                            val resourceId = applicationContext.resources.getIdentifier(
+                                name,
+                                "raw",
+                                applicationContext.packageName)
+                            if (resourceId != 0) {
+                                playUnInterrupted(resourceId, 1)
+                            } else {
+                                Log.e(TAG, "Callwaiting tone $name.wav not found\")")
+                            }
                             if (ua.account.callHistory) {
                                 CallHistoryNew.add(CallHistoryNew(aor, peerUri, "in"))
                                 CallHistoryNew.save()
@@ -1255,26 +1264,46 @@ class BaresipService: Service() {
         }
     }
 
+    @SuppressLint("DiscouragedApi")
     private fun playRingBack() {
         if (mediaPlayer == null) {
-            mediaPlayer = MediaPlayer.create(this, R.raw.ringback)
-            mediaPlayer?.isLooping = true
-            mediaPlayer?.start()
+            val name = "ringback_$toneCountry"
+            val resourceId = applicationContext.resources.getIdentifier(
+                name,
+                "raw",
+                applicationContext.packageName)
+            if (resourceId != 0) {
+                mediaPlayer = MediaPlayer.create(this, resourceId)
+                mediaPlayer?.isLooping = true
+                mediaPlayer?.start()
+            } else {
+                Log.e(TAG, "Ringback tone $name.wav not found")
+            }
         }
     }
 
+    @SuppressLint("DiscouragedApi")
     private fun playBusy() {
         if (mediaPlayer == null ) {
-            mediaPlayer = MediaPlayer.create(applicationContext, R.raw.busy)
-            mediaPlayer?.setOnCompletionListener {
-                stopMediaPlayer()
-                if (!Call.inCall()) {
-                    resetCallVolume()
-                    abandonAudioFocus(applicationContext)
-                    proximitySensing(false)
+            val name = "busy_$toneCountry"
+            val resourceId = applicationContext.resources.getIdentifier(
+                name,
+                "raw",
+                applicationContext.packageName)
+            if (resourceId != 0) {
+                mediaPlayer = MediaPlayer.create(this, resourceId)
+                mediaPlayer?.setOnCompletionListener {
+                    stopMediaPlayer()
+                    if (!Call.inCall()) {
+                        resetCallVolume()
+                        abandonAudioFocus(applicationContext)
+                        proximitySensing(false)
+                    }
                 }
+                mediaPlayer?.start()
+            } else {
+                Log.e(TAG, "Busy tone $name.wav not found")
             }
-            mediaPlayer?.start()
         }
     }
 
@@ -1506,6 +1535,7 @@ class BaresipService: Service() {
         var isMainVisible = false
         var isMicMuted = false
         var isRecOn = false
+        var toneCountry = "us"
 
         val uas = ArrayList<UserAgent>()
         val calls = ArrayList<Call>()
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Config.kt b/app/src/main/kotlin/com/tutpro/baresip/Config.kt
index b0704f68..d5757fc8 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Config.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Config.kt
@@ -129,6 +129,11 @@ object Config {
             config = "${config}audio_delay ${BaresipService.audioDelay}\n"
         }
 
+        val toneCountry = previousVariable("tone_country")
+        if (toneCountry != "")
+            BaresipService.toneCountry = toneCountry
+        config = "${config}tone_country ${BaresipService.toneCountry}\n"
+
         save()
         BaresipService.isConfigInitialized = true
 
diff --git a/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt
index b33cf1dd..48d68a6e 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt
@@ -535,9 +535,10 @@ class ConfigActivity : AppCompatActivity() {
                     restart = true
                 }
 
-                val dnsServers = addMissingPorts(
-                    dnsServers.text.toString().trim().lowercase(Locale.ROOT))
-                if (dnsServers != oldDnsServers) {
+                var dnsServers = dnsServers.text.toString().lowercase(Locale.ROOT)
+                    .replace(" ", "")
+                dnsServers = addMissingPorts(dnsServers)
+                if (dnsServers != oldDnsServers.replace(" ", "")) {
                     if (!checkDnsServers(dnsServers)) {
                         Utils.alertView(this, getString(R.string.notice),
                                 "${getString(R.string.invalid_dns_servers)}: $dnsServers")
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Utils.kt b/app/src/main/kotlin/com/tutpro/baresip/Utils.kt
index 8454cf32..562067f5 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Utils.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Utils.kt
@@ -1037,3 +1037,4 @@ object Utils {
     }
 
 }
+.
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_audio.xml b/app/src/main/res/layout/activity_audio.xml
index 2cda463a..7a77564b 100644
--- a/app/src/main/res/layout/activity_audio.xml
+++ b/app/src/main/res/layout/activity_audio.xml
@@ -176,6 +176,31 @@
             </EditText>
         </RelativeLayout>
 
+        <RelativeLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="12dp"
+            android:orientation="horizontal" >
+            <TextView
+                android:id="@+id/ToneCountryTitle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentStart="true"
+                android:layout_centerVertical="true"
+                android:layout_toStartOf="@id/ToneCountrySpinner"
+                android:textSize="18sp"
+                android:text="@string/tone_country" >
+            </TextView>
+            <Spinner
+                android:id="@+id/ToneCountrySpinner"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentEnd="true"
+                android:layout_centerVertical="true"
+                android:layout_gravity="end" >
+            </Spinner>
+        </RelativeLayout>
+
     </LinearLayout>
 
 </ScrollView>
diff --git a/app/src/main/res/raw/busy.wav b/app/src/main/res/raw/busy.wav
deleted file mode 100644
index 5078764b..00000000
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diff --git a/app/src/main/res/raw/busy_bg.wav b/app/src/main/res/raw/busy_bg.wav
new file mode 100644
index 00000000..e36d5f9b
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diff --git a/app/src/main/res/raw/busy_br.wav b/app/src/main/res/raw/busy_br.wav
new file mode 100644
index 00000000..3591e360
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diff --git a/app/src/main/res/raw/busy_cz.wav b/app/src/main/res/raw/busy_cz.wav
new file mode 100644
index 00000000..5fa9ad6e
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diff --git a/app/src/main/res/raw/busy_de.wav b/app/src/main/res/raw/busy_de.wav
new file mode 100644
index 00000000..41bd75e2
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diff --git a/app/src/main/res/raw/busy_es.wav b/app/src/main/res/raw/busy_es.wav
new file mode 100644
index 00000000..8ba2f1cf
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diff --git a/app/src/main/res/raw/busy_fi.wav b/app/src/main/res/raw/busy_fi.wav
new file mode 100644
index 00000000..b19b6d6b
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diff --git a/app/src/main/res/raw/busy_fr.wav b/app/src/main/res/raw/busy_fr.wav
new file mode 100644
index 00000000..6af5ec4b
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diff --git a/app/src/main/res/raw/busy_jp.wav b/app/src/main/res/raw/busy_jp.wav
new file mode 100644
index 00000000..15d9e717
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diff --git a/app/src/main/res/raw/busy_no.wav b/app/src/main/res/raw/busy_no.wav
new file mode 100644
index 00000000..e36d5f9b
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diff --git a/app/src/main/res/raw/busy_nz.wav b/app/src/main/res/raw/busy_nz.wav
new file mode 100644
index 00000000..d4fd69a3
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diff --git a/app/src/main/res/raw/busy_ru.wav b/app/src/main/res/raw/busy_ru.wav
new file mode 100644
index 00000000..b6ce0bf8
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diff --git a/app/src/main/res/raw/busy_se.wav b/app/src/main/res/raw/busy_se.wav
new file mode 100644
index 00000000..3591e360
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diff --git a/app/src/main/res/raw/busy_uk.wav b/app/src/main/res/raw/busy_uk.wav
new file mode 100644
index 00000000..fc56165e
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diff --git a/app/src/main/res/raw/busy_us.wav b/app/src/main/res/raw/busy_us.wav
new file mode 100644
index 00000000..79065734
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diff --git a/app/src/main/res/raw/callwaiting.wav b/app/src/main/res/raw/callwaiting.wav
deleted file mode 100644
index 5bf45e87..00000000
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diff --git a/app/src/main/res/raw/callwaiting_bg.wav b/app/src/main/res/raw/callwaiting_bg.wav
new file mode 100644
index 00000000..234b9575
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new file mode 100644
index 00000000..57a0ce10
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new file mode 100644
index 00000000..16511016
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diff --git a/app/src/main/res/raw/callwaiting_de.wav b/app/src/main/res/raw/callwaiting_de.wav
new file mode 100644
index 00000000..9001b003
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new file mode 100644
index 00000000..9b2a18b6
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diff --git a/app/src/main/res/raw/callwaiting_fr.wav b/app/src/main/res/raw/callwaiting_fr.wav
new file mode 100644
index 00000000..e9ce4f67
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diff --git a/app/src/main/res/raw/callwaiting_jp.wav b/app/src/main/res/raw/callwaiting_jp.wav
new file mode 100644
index 00000000..434f5561
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diff --git a/app/src/main/res/raw/callwaiting_no.wav b/app/src/main/res/raw/callwaiting_no.wav
new file mode 100644
index 00000000..c5626829
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diff --git a/app/src/main/res/raw/callwaiting_nz.wav b/app/src/main/res/raw/callwaiting_nz.wav
new file mode 100644
index 00000000..ab361e16
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diff --git a/app/src/main/res/raw/callwaiting_ru.wav b/app/src/main/res/raw/callwaiting_ru.wav
new file mode 100644
index 00000000..9438389c
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diff --git a/app/src/main/res/raw/callwaiting_se.wav b/app/src/main/res/raw/callwaiting_se.wav
new file mode 100644
index 00000000..a35e4e2b
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diff --git a/app/src/main/res/raw/callwaiting_uk.wav b/app/src/main/res/raw/callwaiting_uk.wav
new file mode 100644
index 00000000..38c3e89f
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diff --git a/app/src/main/res/raw/callwaiting_us.wav b/app/src/main/res/raw/callwaiting_us.wav
new file mode 100644
index 00000000..e9ce4f67
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diff --git a/app/src/main/res/raw/ringback.wav b/app/src/main/res/raw/ringback.wav
deleted file mode 100644
index 7b3f8195..00000000
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diff --git a/app/src/main/res/raw/ringback_bg.wav b/app/src/main/res/raw/ringback_bg.wav
new file mode 100644
index 00000000..d3e101e6
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new file mode 100644
index 00000000..d3e101e6
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diff --git a/app/src/main/res/raw/ringback_cz.wav b/app/src/main/res/raw/ringback_cz.wav
new file mode 100644
index 00000000..d3e101e6
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diff --git a/app/src/main/res/raw/ringback_de.wav b/app/src/main/res/raw/ringback_de.wav
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index 00000000..71f5286f
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index 00000000..200b26ca
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diff --git a/app/src/main/res/raw/ringback_fi.wav b/app/src/main/res/raw/ringback_fi.wav
new file mode 100644
index 00000000..d3e101e6
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diff --git a/app/src/main/res/raw/ringback_fr.wav b/app/src/main/res/raw/ringback_fr.wav
new file mode 100644
index 00000000..afedc92e
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diff --git a/app/src/main/res/raw/ringback_jp.wav b/app/src/main/res/raw/ringback_jp.wav
new file mode 100644
index 00000000..3883165a
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diff --git a/app/src/main/res/raw/ringback_no.wav b/app/src/main/res/raw/ringback_no.wav
new file mode 100644
index 00000000..d3e101e6
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diff --git a/app/src/main/res/raw/ringback_nz.wav b/app/src/main/res/raw/ringback_nz.wav
new file mode 100644
index 00000000..c2b097ba
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diff --git a/app/src/main/res/raw/ringback_ru.wav b/app/src/main/res/raw/ringback_ru.wav
new file mode 100644
index 00000000..d3e101e6
Binary files /dev/null and b/app/src/main/res/raw/ringback_ru.wav differ
diff --git a/app/src/main/res/raw/ringback_se.wav b/app/src/main/res/raw/ringback_se.wav
new file mode 100644
index 00000000..53736d67
Binary files /dev/null and b/app/src/main/res/raw/ringback_se.wav differ
diff --git a/app/src/main/res/raw/ringback_uk.wav b/app/src/main/res/raw/ringback_uk.wav
new file mode 100644
index 00000000..c2b097ba
Binary files /dev/null and b/app/src/main/res/raw/ringback_uk.wav differ
diff --git a/app/src/main/res/raw/ringback_us.wav b/app/src/main/res/raw/ringback_us.wav
new file mode 100644
index 00000000..417c3da6
Binary files /dev/null and b/app/src/main/res/raw/ringback_us.wav differ
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index ea56fb5a..fb2f9643 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -383,8 +383,9 @@
     <string name="invalid_audio_delay">Virheellinen audioviive \'%1$s\'. Sallittu arvo on välillä 100–3000.</string>
     <string name="default_call_volume">Oletus äänen voimakkuus</string>
     <string name="default_call_volume_help">Jos valittu, puhelun äänen voimakkuus
-    asteikolla 1–10.
-    </string>
+        asteikolla 1–10.</string>
+    <string name="tone_country">Puheluäänien maa</string>
+    <string name="tone_country_help">Soitto-, odotus- ja varattuäänien maa</string>
     <string name="dark_theme">Tumma teema</string>
     <string name="dark_theme_help">Käytä aina tummaa näyttöteemaa</string>
     <string name="video_size">Videon kehyskoko</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 0986ac53..d6dbd761 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -359,6 +359,8 @@
     <string name="invalid_audio_delay">Invalid Audio Delay \'%1$s\'. Valid values are from 100 to 3000.</string>
     <string name="default_call_volume">Default Call Volume</string>
     <string name="default_call_volume_help">If set, default call audio volume at scale 1–10.</string>
+    <string name="tone_country">Tone Country</string>
+    <string name="tone_country_help">Country of call ringing, waiting, and callee busy tones</string>
     <string name="dark_theme">Dark Theme</string>
     <string name="dark_theme_help">Force dark display theme</string>
     <string name="video_size">Video Frame Size</string>