diff --git a/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt
index aeea2253..0521692c 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt
@@ -490,7 +490,8 @@ class AccountActivity : AppCompatActivity() {
                         getString(R.string.outbound_proxies_help))
             }
             findViewById(R.id.RegTitle) as TextView -> {
-                Utils.alertView(this, "Register", getString(R.string.register_help))
+                Utils.alertView(this, getString(R.string.register),
+                        getString(R.string.register_help))
             }
             findViewById(R.id.AudioCodecsTitle) as TextView -> {
                 Utils.alertView(this, getString(R.string.audio_codecs),
diff --git a/app/src/main/kotlin/com/tutpro/baresip/AccountsActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/AccountsActivity.kt
index bee2976b..c407c6ab 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/AccountsActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/AccountsActivity.kt
@@ -34,7 +34,7 @@ class AccountsActivity : AppCompatActivity() {
             val aor = newAorView.text.toString().trim()
             if (!Utils.checkAor(aor)) {
                 Log.d("Baresip", "Invalid Address of Record $aor")
-                Utils.alertView(this, getString(R.string.error),
+                Utils.alertView(this, getString(R.string.notice),
                         String.format(getString(R.string.invalid_aor), aor))
             } else if (Account.exists(aor)) {
                 Log.d("Baresip", "Account $aor already exists")
diff --git a/app/src/main/kotlin/com/tutpro/baresip/ChatsActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/ChatsActivity.kt
index da63f962..7673cb50 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/ChatsActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/ChatsActivity.kt
@@ -113,7 +113,7 @@ class ChatsActivity: AppCompatActivity() {
                     }
                 }
                 if (!Utils.checkSipUri(uri)) {
-                    Utils.alertView(this, getString(R.string.error),
+                    Utils.alertView(this, getString(R.string.notice),
                             getString(R.string.invalid_chat_peer_uri))
                 } else {
                     peerUri.text.clear()
diff --git a/app/src/main/kotlin/com/tutpro/baresip/ContactActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/ContactActivity.kt
index 7af88b22..b08eb4ad 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/ContactActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/ContactActivity.kt
@@ -164,7 +164,7 @@ class ContactActivity : AppCompatActivity() {
                 if (newName == "") newName = newUri
 
                 if (!Utils.checkName(newName)) {
-                    Utils.alertView(this, getString(R.string.error),
+                    Utils.alertView(this, getString(R.string.notice),
                             String.format(getString(R.string.invalid_contact), newName))
                     return false
                 }
@@ -175,7 +175,7 @@ class ContactActivity : AppCompatActivity() {
                     alert = (Contact.contacts()[index].name != newName) &&
                             ContactsActivity.nameExists(newName, false)
                 if (alert) {
-                    Utils.alertView(this, getString(R.string.error),
+                    Utils.alertView(this, getString(R.string.notice),
                             String.format(getString(R.string.contact_already_exists), newName))
                     return false
                 }
@@ -188,7 +188,7 @@ class ContactActivity : AppCompatActivity() {
                     }
                 }
                 if (!Utils.checkSipUri(newUri)) {
-                    Utils.alertView(this, getString(R.string.error),
+                    Utils.alertView(this, getString(R.string.notice),
                             String.format(getString(R.string.invalid_contact_uri), newUri))
                     return false
                 }
diff --git a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
index f961aa82..0e0275f9 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
@@ -240,7 +240,8 @@ class MainActivity : AppCompatActivity() {
                         }
                     }
                     if (!Utils.checkSipUri(uri)) {
-                        Utils.alertView(this, getString(R.string.notice), "${getString(R.string.invalid_sip_uri)} '$uri'")
+                        Utils.alertView(this, getString(R.string.notice),
+                                String.format(getString(R.string.invalid_sip_uri), uri))
                     } else {
                         callUri.isFocusable = false
                         // Set audio mode to MODE_IN_COMMUNICATION and wait 2.5 sec before
@@ -323,7 +324,6 @@ class MainActivity : AppCompatActivity() {
         }
 
         infoButton.setOnClickListener {
-            Log.d("Baresip", "Info Button was clicked")
             val ua = UserAgent.uas()[aorSpinner.selectedItemPosition]
             val calls = Call.uaCalls(ua, "")
             if (calls.size > 0) {
@@ -341,7 +341,8 @@ class MainActivity : AppCompatActivity() {
                                     "${rxCodec[0]} ch ${rxCodec[2]}\n" +
                                     "${getString(R.string.rate)}: $rate")
                 } else {
-                    Utils.alertView(this, "Call Info", "No info available.")
+                    Utils.alertView(this, getString(R.string.call_info),
+                            getString(R.string.call_info_not_available))
                 }
             }
         }
@@ -974,12 +975,14 @@ class MainActivity : AppCompatActivity() {
         val backupFilePath = BaresipService.downloadsPath + "/baresip.bs"
         val zipFilePath = BaresipService.filesPath + "/baresip.zip"
         if (!Utils.zip(files, "baresip.zip")) {
-            Utils.alertView(this, getString(R.string.error), "Failed to write zip file 'baresip.zip")
+            Log.w("Baresip", "Failed to write zip file 'baresip.zip")
+            Utils.alertView(this, getString(R.string.error), getString(R.string.backup_failed))
             return
         }
         val content = Utils.getFileContents(zipFilePath)
         if (content == null) {
-            Utils.alertView(this, getString(R.string.error), "Failed to read zip file 'baresip.zip")
+            Log.w("Baresip", "Failed to read zip file 'baresip.zip")
+            Utils.alertView(this, getString(R.string.error), getString(R.string.backup_failed))
             return
         }
         if (!Utils.encryptToFile(backupFilePath, content, password)) {
@@ -999,13 +1002,13 @@ class MainActivity : AppCompatActivity() {
             return
         }
         if (!Utils.putFileContents(zipFilePath, zipData)) {
-            Utils.alertView(this, getString(R.string.error),
-                    "Failed to write file 'baresip.zip'")
+            Log.w("Baresip", "Failed to write zip file 'baresip.zip")
+            Utils.alertView(this, getString(R.string.error), getString(R.string.restore_failed))
             return
         }
         if (!Utils.unZip(zipFilePath)) {
-            Utils.alertView(this, getString(R.string.error),
-                    "Failed to unzip file 'baresip.zip'")
+            Log.w("Baresip", "Failed to unzip file 'baresip.zip")
+            Utils.alertView(this, getString(R.string.error), getString(R.string.restore_failed))
             return
         }
         Utils.deleteFile(File(zipFilePath))
diff --git a/app/src/main/res/values-bg/strings.xml b/app/src/main/res/values-bg/strings.xml
index 47cd0b41..2444de85 100644
--- a/app/src/main/res/values-bg/strings.xml
+++ b/app/src/main/res/values-bg/strings.xml
@@ -220,7 +220,7 @@
     <string name="outgoing_call_to_dots">Изходящо повикване до…</string>
     <string name="incoming_call_from_dots">Входящо обаждане от…</string>
     <string name="transferring_call_to_dots">Прехвърляне на обаждане до…</string>
-    <string name="invalid_sip_uri">Невалиден SIP URI</string>
+    <string name="invalid_sip_uri">Невалиден SIP URI \'%1$s\'</string>
     <string name="callee">Набиране</string>
     <string name="hangup">Затвори</string>
     <string name="hold">Задържане</string>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 535a223c..05cc0956 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -213,7 +213,7 @@
     <string name="outgoing_call_to_dots">Llamada saliente a…</string>
     <string name="incoming_call_from_dots">Llamada entrante de …</string>
     <string name="transferring_call_to_dots">Transfiriendo llamada a …</string>
-    <string name="invalid_sip_uri">URI de SIP no válido</string>
+    <string name="invalid_sip_uri">URI de SIP no válido \'%1$s\'</string>
     <string name="callee">Destinatario</string>
     <string name="hangup">Colgar</string>
     <string name="hold">Esperar</string>
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index 04b52a72..62cc32d2 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -297,12 +297,13 @@
     <string name="outgoing_call_to_dots">Lähtevä puhelu …</string>
     <string name="incoming_call_from_dots">Tuleva puhelu …</string>
     <string name="transferring_call_to_dots">Siirtopuhelu …</string>
-    <string name="invalid_sip_uri">Virheellinen SIP URI</string>
+    <string name="invalid_sip_uri">Virheellinen SIP URI \'%1$s\'</string>
     <string name="callee">Puhelun kohde</string>
     <string name="hangup">Lopeta</string>
     <string name="hold">Aseta puhelu pitoon</string>
     <string name="dtmf">DTMF</string>
     <string name="call_info">Puhelutiedot</string>
+    <string name="call_info_not_available">Ei saatavilla</string>
     <string name="duration">Kesto</string>
     <string name="codecs">Koodekit</string>
     <string name="rate">Nopeus</string>
diff --git a/app/src/main/res/values-nb-rNO/strings.xml b/app/src/main/res/values-nb-rNO/strings.xml
index df81b924..dcdcbd4e 100644
--- a/app/src/main/res/values-nb-rNO/strings.xml
+++ b/app/src/main/res/values-nb-rNO/strings.xml
@@ -148,7 +148,7 @@
     <string name="invalid_contact_uri">Ugyldig SIP URI</string>
     <string name="contact_action_question">Ønsker du å ringe eller sende melding til \"%1$s\"\?</string>
     <string name="contacts_exceeded">Ditt har nådd ditt maksimale antall kontakter på %1$d.</string>
-    <string name="invalid_sip_uri">Ugyldig SIP URI</string>
+    <string name="invalid_sip_uri">Ugyldig SIP URI \'%1$s\'</string>
     <string name="callee">Ringer</string>
     <string name="hangup">Legg på</string>
     <string name="hold">Sett på vent</string>
diff --git a/app/src/main/res/values-ro/strings.xml b/app/src/main/res/values-ro/strings.xml
index 65050dac..49aef605 100644
--- a/app/src/main/res/values-ro/strings.xml
+++ b/app/src/main/res/values-ro/strings.xml
@@ -105,7 +105,7 @@
     <string name="outgoing_call_to_dots">Apel efectuat către …</string>
     <string name="incoming_call_from_dots">Apel primit de la …</string>
     <string name="transferring_call_to_dots">Transfer apel către …</string>
-    <string name="invalid_sip_uri">Adresă SIP invalidă</string>
+    <string name="invalid_sip_uri">Adresă SIP invalidă \'%1$s\'</string>
     <string name="callee">Apelat</string>
     <string name="hangup">Închide</string>
     <string name="hold">Pune în așteptare</string>
@@ -165,4 +165,4 @@
     <string name="backup">Copie de rezervă</string>
     <string name="restore">Restaurare</string>
     <string name="audio_modules_help">Codecurile audio furnizate de modulele bifate sunt disponibile pentru utilizare de către conturi.</string>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b67a04c8..7b4e8060 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -269,12 +269,13 @@
     <string name="outgoing_call_to_dots">Outgoing call to …</string>
     <string name="incoming_call_from_dots">Incoming call from …</string>
     <string name="transferring_call_to_dots">Transferring call to …</string>
-    <string name="invalid_sip_uri">Invalid SIP URI</string>
+    <string name="invalid_sip_uri">Invalid SIP URI \'%1$s\'</string>
     <string name="callee">Callee</string>
     <string name="hangup">Hangup</string>
     <string name="hold">Hold</string>
     <string name="dtmf">DTMF</string>
     <string name="call_info">Call Info</string>
+    <string name="call_info_not_available">No info available</string>
     <string name="duration">Duration</string>
     <string name="codecs">Codecs</string>
     <string name="rate">Rate</string>