diff --git a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
index 146210d5..69cc0789 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
@@ -36,6 +36,8 @@ import kotlin.concurrent.schedule
 import kotlin.math.roundToInt
 import android.media.MediaPlayer
 import android.telecom.TelecomManager
+import android.widget.Toast
+import android.os.Looper
 
 class BaresipService: Service() {
 
@@ -572,22 +574,29 @@ class BaresipService: Service() {
                         else
                             status[account_index] = R.drawable.dot_green
                         updateStatusNotification()
-                        if (!Utils.isVisible())
+                        if (!isMainVisible)
                             return
                     }
                     "registering failed" -> {
                         status[account_index] = R.drawable.dot_red
                         updateStatusNotification()
-                        if (ev.size > 1 && ev[1] == "Invalid argument")
-                            // Likely due to DNS lookup failure
-                            newEvent = "registering failed,DNS lookup failed"
-                        if (!Utils.isVisible())
+                        if (Utils.isVisible()) {
+                            val reason = if (ev.size > 1) {
+                                if (ev[1] == "Invalid argument") // Likely due to DNS lookup failure
+                                    ": DNS lookup failed"
+                                else
+                                    ": ${ev[1]}"
+                            } else
+                                ""
+                            toast(String.format(getString(R.string.registering_failed), aor) + reason)
+                        }
+                        if (!isMainVisible)
                             return
                     }
                     "unregistering" -> {
                         status[account_index] = R.drawable.dot_white
                         updateStatusNotification()
-                        if (!Utils.isVisible())
+                        if (!isMainVisible)
                             return
                     }
                     "call outgoing" -> {
@@ -1071,6 +1080,12 @@ class BaresipService: Service() {
         }
     }
 
+    private fun toast(message: String) {
+        Handler(Looper.getMainLooper()).post {
+            Toast.makeText(this@BaresipService.applicationContext, message, Toast.LENGTH_LONG).show()
+        }
+    }
+
     private fun getActionText(@StringRes stringRes: Int, @ColorRes colorRes: Int): Spannable {
         val spannable: Spannable = SpannableString(applicationContext.getText(stringRes))
         if (VERSION.SDK_INT >= 25) {
diff --git a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
index f5c3f332..ea240f89 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
@@ -939,16 +939,9 @@ class MainActivity : AppCompatActivity() {
         for (account_index in UserAgent.uas().indices) {
             if (UserAgent.uas()[account_index].account.aor == aor) {
                 when (ev[0]) {
-                    "registered", "unregistering" -> {
+                    "registered", "unregistering", "registering failed" -> {
                         uaAdapter.notifyDataSetChanged()
                     }
-                    "registering failed" -> {
-                        uaAdapter.notifyDataSetChanged()
-                        Toast.makeText(applicationContext,
-                                String.format(getString(R.string.registering_failed), aor) +
-                                        ": ${ev[1]}",
-                                Toast.LENGTH_LONG).show()
-                    }
                     "call rejected" -> {
                         if (aor == aorSpinner.tag) {
                             callsButton.setImageResource(R.drawable.calls_missed)