diff --git a/app/src/main/kotlin/com/tutpro/baresip/MainScreen.kt b/app/src/main/kotlin/com/tutpro/baresip/MainScreen.kt
index 89e3c167..a66a1a76 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/MainScreen.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/MainScreen.kt
@@ -2119,7 +2119,7 @@ private fun makeCall(ctx: Context, viewModel: ViewModel, uriText: String,
     }
     else if (ua.account.isMobile && !Utils.isTelUri(uri)) {
             alertTitle.value = ctx.getString(R.string.notice)
-            alertMessage.value = "Telephone call can only be made to telephone number"
+            alertMessage.value = ctx.getString(R.string.no_telephone_number)
             showAlert.value = true
             return
     }
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index 71502032..ea477a90 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -526,6 +526,7 @@
     <string name="diverted_by">siirtäjä</string>
     <string name="no_telephony_provider">Tilille \'%1$s\' ei ole konfiguroitu puhelinpalvelun
         tarjoajaa</string>
+    <string name="no_telephone_number">Mobiilipuhelu voidaan tehdä vain puhelinnumeroon</string>
     <string name="video_call">Videopuhelu</string>
     <string name="video_request">Videopyyntö</string>
     <string name="allow_video">Salli video videon lähetys ja vastaanotto puhelussa \'%1$s\'\?</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b82fde90..8eeb1dad 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -508,6 +508,7 @@
     <string name="diverted_by_dots">Diverted by …</string>
     <string name="diverted_by">diverted by</string>
     <string name="no_telephony_provider">Account \'%1$s\' has no Telephony Provider</string>
+    <string name="no_telephone_number">Mobile call only be made to telephone number</string>
     <string name="video_call">Video call</string>
     <string name="video_request">Video Request</string>
     <string name="allow_video">Accept sending and receiving video with \'%1$s\'\?</string>