Added initial support for attended call transfer

Use red colored spinner text when account has active call

app/src/main/cpp/baresip.c

@@ -1277,6 +1277,21 @@ Java_com_tutpro_baresip_Call_call_1has_1video(JNIEnv *env, jobject thiz, jlong c
     return call_has_video((struct call *)call) ? true : false;
 }
 
+JNIEXPORT jboolean JNICALL
+Java_com_tutpro_baresip_Call_call_1replaces(JNIEnv *env, jobject thiz, jlong call)
+{
+    return call_supported((struct call *)call, REPLACES) ? true : false;
+}
+
+JNIEXPORT jboolean JNICALL
+Java_com_tutpro_baresip_Call_call_1replace_1transfer(JNIEnv *env, jobject thiz, jlong xferCall, jlong call)
+{
+    re_thread_enter();
+    int res = call_replace_transfer((struct call *)xferCall, (struct call *)call);
+    re_thread_leave();
+    return res == 0 ? true : false;
+}
+
 JNIEXPORT jint JNICALL
 Java_com_tutpro_baresip_Api_message_1send(JNIEnv *env, jobject thiz, jlong ua, jstring jPeer, jstring jMsg, jstring jTime)
 {

app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt

@@ -838,13 +838,18 @@ class BaresipService: Service() {
                         Log.d(TAG, "AoR $aor call $callp is closed")
                         stopRinging()
                         stopMediaPlayer()
-                        /* when (ev[2]) {
+                        val newCall = call!!.newCall
-                            "busy" ->
+                        if (newCall != null) {
-                                playMedia(R.raw.busy, 1)
+                            newCall.onHoldCall = null
-                            "error" ->
+                            call.newCall = null
-                                playMedia(R.raw.error, 1)
+                        }
-                        } */
+                        val onHoldCall = call.onHoldCall
-                        call!!.remove()
+                        if (onHoldCall != null) {
+                            onHoldCall.newCall = null
+                            onHoldCall.referTo = ""
+                            call.onHoldCall = null
+                        }
+                        call.remove()
                         if (Call.calls().size == 0) {
                             resetCallVolume()
                             am.isSpeakerphoneOn = false
@@ -911,7 +916,7 @@ class BaresipService: Service() {
                             return
                         }
                         val reason = ev[1].trim()
-                        if ((reason != "") && (Call.uaCalls(ua, "").size == 0)) {
+                        if ((reason != "") && (ua.calls().isEmpty())) {
                             if (reason[0].isDigit())
                                 toast("${getString(R.string.call_failed)}: $reason")
                             else

app/src/main/kotlin/com/tutpro/baresip/Call.kt

@@ -8,6 +8,8 @@ class Call(val callp: Long, val ua: UserAgent, val peerUri: String, val dir: Str
 
     var onhold = false
     var held = false
+    var onHoldCall: Call? = null
+    var newCall: Call? = null
     var rejected = false
     var security = 0
     var zid = ""
@@ -15,31 +17,39 @@ class Call(val callp: Long, val ua: UserAgent, val peerUri: String, val dir: Str
     var referTo = ""
 
     fun add() {
-        BaresipService.calls.add(this)
+        BaresipService.calls.add(0, this)
     }
 
     fun remove() {
         BaresipService.calls.remove(this)
     }
 
-    fun connect(uri: String): Int {
+    fun connect(uri: String): Boolean {
-        return call_connect(callp, uri)
+        return call_connect(callp, uri) == 0
     }
 
-    fun hold(): Int {
+    fun hold(): Boolean {
-        return call_hold(callp, true)
+        return call_hold(callp, true) == 0
     }
 
-    fun resume(): Int {
+    fun resume(): Boolean {
-        return call_hold(callp, false)
+        return call_hold(callp, false) == 0
     }
 
-    fun transfer(uri: String): Int {
+    fun transfer(uri: String): Boolean {
         val err = call_hold(callp, true)
         if (err != 0)
-            return err
+            return false
         referTo = uri
-        return call_transfer(callp, uri)
+        return call_transfer(callp, uri) == 0
+    }
+
+    fun executeTransfer(): Boolean {
+        return if (this.onHoldCall != null) {
+            call_hold(callp, true)
+            call_replace_transfer(this.onHoldCall!!.callp, callp)
+        } else
+            false
     }
 
     fun sendDigit(digit: Char): Int {
@@ -54,7 +64,6 @@ class Call(val callp: Long, val ua: UserAgent, val peerUri: String, val dir: Str
         return call_duration(callp)
     }
 
-
     fun stats(stream: String): String {
         return call_stats(callp, stream)
     }
@@ -63,6 +72,10 @@ class Call(val callp: Long, val ua: UserAgent, val peerUri: String, val dir: Str
         return call_audio_codecs(callp)
     }
 
+    fun replaces(): Boolean {
+        return call_replaces(callp)
+    }
+
     init {
         if (ua.account.mediaEnc != "") security = R.drawable.box_red
     }
@@ -78,6 +91,8 @@ class Call(val callp: Long, val ua: UserAgent, val peerUri: String, val dir: Str
     private external fun call_duration(callp: Long): Int
     private external fun call_stats(callp: Long, stream: String): String
     private external fun call_has_video(callp: Long): Boolean
+    private external fun call_replaces(callp: Long): Boolean
+    private external fun call_replace_transfer(xfer_callp: Long, callp: Long): Boolean
 
     companion object {
 
@@ -85,13 +100,6 @@ class Call(val callp: Long, val ua: UserAgent, val peerUri: String, val dir: Str
             return BaresipService.calls
         }
 
-        fun uaCalls(ua: UserAgent, dir: String): ArrayList<Call> {
-            val result = ArrayList<Call>()
-            for (c in BaresipService.calls)
-                if ((c.ua == ua) && ((dir == "") || c.dir == dir)) result.add(c)
-            return result
-        }
-
         fun ofCallp(callp: Long): Call? {
             for (c in BaresipService.calls)
                 if (c.callp == callp) return c
@@ -104,12 +112,5 @@ class Call(val callp: Long, val ua: UserAgent, val peerUri: String, val dir: Str
             return null
         }
 
-        fun isStatus(status: String): Boolean {
-            for (call in BaresipService.calls)
-                if (call.status == status)
-                    return true
-            return false
-        }
-
     }
 }

app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt

@@ -3,6 +3,7 @@ package com.tutpro.baresip
 import android.Manifest
 import android.annotation.SuppressLint
 import android.app.Activity
+import android.app.AlertDialog
 import android.app.KeyguardManager
 import android.app.NotificationManager
 import android.content.*
@@ -75,6 +76,7 @@ class MainActivity : AppCompatActivity() {
     private var speakerIcon: MenuItem? = null
     private lateinit var swipeRefresh: SwipeRefreshLayout
     private lateinit var requestPermissionLauncher: ActivityResultLauncher<String>
+    private var executeTransferDialog: androidx.appcompat.app.AlertDialog? = null
 
     private lateinit var accountsRequest: ActivityResultLauncher<Intent>
     private lateinit var chatRequests: ActivityResultLauncher<Intent>
@@ -297,7 +299,8 @@ class MainActivity : AppCompatActivity() {
                         setTitle(R.string.info)
                         setMessage(getString(R.string.call_is_secure))
                         setPositiveButton(getString(R.string.unverify)) { dialog, _ ->
-                            val calls = Call.uaCalls(UserAgent.uas()[aorSpinner.selectedItemPosition], "")
+                            val ua = UserAgent.uas()[aorSpinner.selectedItemPosition]
+                            val calls = ua.calls()
                             if (calls.size > 0) {
                                 if (Api.cmd_exec("zrtp_unverify " + calls[0].zid) != 0) {
                                     Log.e(TAG, "Command 'zrtp_unverify ${calls[0].zid}' failed")
@@ -329,7 +332,7 @@ class MainActivity : AppCompatActivity() {
         hangupButton.setOnClickListener {
             val ua = UserAgent.uas()[aorSpinner.selectedItemPosition]
             val aor = ua.account.aor
-            val uaCalls = Call.uaCalls(ua, "")
+            val uaCalls = ua.calls()
             if (uaCalls.size > 0) {
                 val call = uaCalls[uaCalls.size - 1]
                 val callp = call.callp
@@ -344,7 +347,7 @@ class MainActivity : AppCompatActivity() {
         answerButton.setOnClickListener {
             val ua = UserAgent.uas()[aorSpinner.selectedItemPosition]
             val aor = ua.account.aor
-            val callp = Call.uaCalls(ua, "in")[0].callp
+            val callp = ua.calls("in")[0].callp
             Log.d(TAG, "AoR $aor answering call $callp from ${callUri.text}")
             answerButton.isEnabled = false
             rejectButton.isEnabled = false
@@ -359,7 +362,7 @@ class MainActivity : AppCompatActivity() {
         rejectButton.setOnClickListener {
             val ua = UserAgent.uas()[aorSpinner.selectedItemPosition]
             val aor = ua.account.aor
-            val call = Call.uaCalls(ua, "in")[0]
+            val call = ua.calls("in")[0]
             val callp = call.callp
             Log.d(TAG, "AoR $aor rejecting call $callp from ${callUri.text}")
             answerButton.isEnabled = false
@@ -371,7 +374,7 @@ class MainActivity : AppCompatActivity() {
         holdButton.setOnClickListener {
             val ua = UserAgent.uas()[aorSpinner.selectedItemPosition]
             val aor = ua.account.aor
-            val call = Call.uaCalls(ua, "")[0]
+            val call = ua.calls()[0]
             if (call.onhold) {
                 Log.d(TAG, "AoR $aor resuming call ${call.callp} with ${callUri.text}")
                 call.resume()
@@ -391,7 +394,7 @@ class MainActivity : AppCompatActivity() {
 
         infoButton.setOnClickListener {
             val ua = UserAgent.uas()[aorSpinner.selectedItemPosition]
-            val calls = Call.uaCalls(ua, "")
+            val calls = ua.calls()
             if (calls.size > 0) {
                 val call = calls[0]
                 val stats = call.stats("audio")
@@ -982,6 +985,7 @@ class MainActivity : AppCompatActivity() {
                     "call incoming", "call outgoing" -> {
                         val callp = params[1] as Long
                         if (BaresipService.isMainVisible) {
+                            uaAdapter.notifyDataSetChanged()
                             if (aor != aorSpinner.tag)
                                 spinToAor(aor)
                             showCall(ua, Call.ofCallp(callp))
@@ -1110,6 +1114,14 @@ class MainActivity : AppCompatActivity() {
                         showCall(ua)
                     }
                     "call closed" -> {
+                        uaAdapter.notifyDataSetChanged()
+                        val call = ua.currentCall()
+                        if (call != null) {
+                            call.resume()
+                            startCallTimer(call)
+                        } else {
+                            callTimer.stop()
+                        }
                         if (aor == aorSpinner.tag) {
                             callUri.inputType = InputType.TYPE_CLASS_TEXT +
                                     InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS
@@ -1122,7 +1134,6 @@ class MainActivity : AppCompatActivity() {
                         }
                         if (speakerIcon != null)
                             speakerIcon!!.setIcon(R.drawable.speaker_off)
-                        callTimer.stop()
                         if ((Build.VERSION.SDK_INT >= 22 && kgm.isDeviceLocked) ||
                                 (Build.VERSION.SDK_INT < 22 && kgm.isKeyguardLocked && kgm.isKeyguardSecure))
                             Utils.setShowWhenLocked(this, false)
@@ -1371,14 +1382,18 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun makeTransfer(ua: UserAgent) {
+
         val layout = LayoutInflater.from(this)
-                .inflate(R.layout.call_transfer_dialog, findViewById(android.R.id.content),
+                .inflate(R.layout.call_transfer_dialog, findViewById(android.R.id.content), false)
-                        false)
+        val blind = layout.findViewById(R.id.blind) as CheckBox
+        val attended = layout.findViewById(R.id.attended) as CheckBox
+
         val transferUri = layout.findViewById(R.id.transferUri) as AutoCompleteTextView
         transferUri.setAdapter(ArrayAdapter(this, android.R.layout.select_dialog_item,
                 Contact.contactNames()))
         transferUri.threshold = 2
         transferUri.requestFocus()
+
         val builder = MaterialAlertDialogBuilder(this, R.style.AlertDialogTheme)
         with(builder) {
             setView(layout)
@@ -1398,8 +1413,19 @@ class MainActivity : AppCompatActivity() {
                         Utils.alertView(this@MainActivity, getString(R.string.notice),
                                 String.format(getString(R.string.invalid_sip_or_tel_uri), uri))
                     } else {
-                        if (Call.uaCalls(ua, "").size > 0) {
+                        val call = ua.currentCall()
-                            Call.uaCalls(ua, "")[0].transfer(uri)
+                        if (call != null) {
+                            if (attended.isChecked) {
+                                if (call.hold()) {
+                                    call.referTo = uri
+                                    call(ua, uri, call)
+                                }
+                            } else {
+                                if (!call.transfer(uri)) {
+                                    Utils.alertView(this@MainActivity, getString(R.string.notice),
+                                            String.format(getString(R.string.transfer_failed)))
+                                }
+                            }
                             showCall(ua)
                         }
                     }
@@ -1411,6 +1437,27 @@ class MainActivity : AppCompatActivity() {
             }
         }
         val alertDialog = builder.create()
+
+        val call = ua.currentCall() ?: return
+        val blindOrAttended = layout.findViewById(R.id.blindOrAttended) as RelativeLayout
+        if (call.replaces()) {
+            blind.setOnClickListener {
+                if (blind.isChecked) {
+                    attended.isChecked = false
+                    alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).text = getString(R.string.transfer)
+                }
+            }
+            attended.setOnClickListener {
+                if (attended.isChecked) {
+                    blind.isChecked = false
+                    alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).text = getString(R.string.call)
+                }
+            }
+            blindOrAttended.visibility = View.VISIBLE
+        } else {
+            blindOrAttended.visibility = View.GONE
+        }
+
         // This needs to be done after dialog has been created and before it is shown
         alertDialog.window!!.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE)
         alertDialog.show()
@@ -1608,20 +1655,23 @@ class MainActivity : AppCompatActivity() {
 
     }
 
-    private fun call(ua: UserAgent, uri: String): Boolean {
+    private fun call(ua: UserAgent, uri: String, onHoldCall: Call? = null): Boolean {
         if (ua.account.aor != aorSpinner.tag)
             spinToAor(ua.account.aor)
         val callp = Api.ua_call_alloc(ua.uap, 0L, Api.VIDMODE_OFF)
         return if (callp != 0L) {
             Log.d(TAG, "Adding outgoing call ${ua.uap}/$callp/$uri")
             val call = Call(callp, ua, uri, "out", "outgoing", Utils.dtmfWatcher(callp))
+            call.onHoldCall = onHoldCall
             call.add()
-            val err = call.connect(uri)
+            if (onHoldCall != null)
-            if (err == 0) {
+                onHoldCall.newCall = call
+            if (call.connect(uri)) {
                 showCall(ua)
                 true
             } else {
-                Log.w(TAG, "call_connect $callp failed with error $err")
+                showCall(ua)
+                Log.w(TAG, "call_connect $callp failed")
                 false
             }
         } else {
@@ -1637,13 +1687,12 @@ class MainActivity : AppCompatActivity() {
             val newCall = Call(newCallp, ua, uri, "out", "transferring",
                     Utils.dtmfWatcher(newCallp))
             newCall.add()
-            val err = newCall.connect(uri)
+            if (newCall.connect(uri)) {
-            if (err == 0) {
                 if (ua.account.aor != aorSpinner.tag)
                     spinToAor(ua.account.aor)
                 showCall(ua)
             } else {
-                Log.w(TAG, "call_connect $newCallp failed with error $err")
+                Log.w(TAG, "call_connect $newCallp failed")
                 call.notifySipfrag(500, "Call Error")
             }
         } else {
@@ -1712,6 +1761,7 @@ class MainActivity : AppCompatActivity() {
                         hangupButton.visibility = View.INVISIBLE
                         hangupButton.isEnabled = false
                     } else {
+                        uaAdapter.notifyDataSetChanged()
                         callButton.visibility = View.INVISIBLE
                         callButton.isEnabled = false
                         hangupButton.visibility = View.VISIBLE
@@ -1728,7 +1778,8 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun showCall(ua: UserAgent, showCall: Call? = null) {
-        if (Call.uaCalls(ua, "").size == 0) {
+        val call = showCall ?: ua.currentCall()
+        if (call == null) {
             swipeRefresh.isEnabled = true
             callTitle.text = getString(R.string.outgoing_call_to_dots)
             callTimer.visibility = View.INVISIBLE
@@ -1757,7 +1808,6 @@ class MainActivity : AppCompatActivity() {
             onHoldNotice.visibility = View.GONE
         } else {
             swipeRefresh.isEnabled = false
-            val call = showCall ?: Call.uaCalls(ua, "")[0]
             callUri.isFocusable = false
             when (call.status) {
                 "outgoing", "transferring", "answered" -> {
@@ -1813,9 +1863,26 @@ class MainActivity : AppCompatActivity() {
                                 Utils.aorDomain(ua.account.aor)))
                         transferButton.isEnabled = true
                     }
-                    callTimer.base = SystemClock.elapsedRealtime() - (call.duration() * 1000L)
+                    if (call.onHoldCall != null) {
-                    callTimer.stop()
+                        val builder = MaterialAlertDialogBuilder(this, R.style.AlertDialogTheme)
-                    callTimer.start()
+                        with(builder) {
+                            setTitle(getString(R.string.execute_transfer))
+                            setPositiveButton(getText(R.string.yes)) { dialog, _ ->
+                                dialog.dismiss()
+                                call.executeTransfer()
+                            }
+                            setNeutralButton(getText(R.string.no)) { dialog, _ ->
+                                dialog.dismiss()
+                                Api.ua_hangup(ua.uap, call.callp, 0, "")
+                            }
+                        }
+                        executeTransferDialog = builder.create()
+                        executeTransferDialog!!.show()
+                    } else {
+                        executeTransferDialog?.dismiss()
+                        executeTransferDialog = null
+                    }
+                    startCallTimer(call)
                     callTimer.visibility = View.VISIBLE
                     if (ua.account.mediaEnc == "") {
                         securityButton.visibility = View.INVISIBLE
@@ -1981,13 +2048,19 @@ class MainActivity : AppCompatActivity() {
     private fun saveCallUri() {
         if (UserAgent.uas().isNotEmpty() && aorSpinner.selectedItemPosition >= 0) {
             val ua = UserAgent.uas()[aorSpinner.selectedItemPosition]
-            if (Call.uaCalls(ua, "").size == 0)
+            if (ua.calls().isEmpty())
                 ua.account.resumeUri = callUri.text.toString()
             else
                 ua.account.resumeUri = ""
         }
     }
 
+    private fun startCallTimer(call: Call) {
+        callTimer.stop()
+        callTimer.base = SystemClock.elapsedRealtime() - (call.duration() * 1000L)
+        callTimer.start()
+    }
+
     companion object {
 
         var accountRequest: ActivityResultLauncher<Intent>? = null

app/src/main/kotlin/com/tutpro/baresip/UaSpinnerAdapter.kt

@@ -7,10 +7,11 @@ import android.view.ViewGroup
 import android.widget.ArrayAdapter
 import android.widget.ImageView
 import android.widget.TextView
+import androidx.core.content.ContextCompat.getColor
 
 import java.util.ArrayList
 
-class UaSpinnerAdapter(cxt: Context, private val uas: ArrayList<UserAgent>,
+class UaSpinnerAdapter(private val cxt: Context, private val uas: ArrayList<UserAgent>,
                        private val images: ArrayList<Int>) :
         ArrayAdapter<Int>(cxt, android.R.layout.simple_spinner_item, images) {
 
@@ -43,8 +44,11 @@ class UaSpinnerAdapter(cxt: Context, private val uas: ArrayList<UserAgent>,
             viewHolder = rowView.tag as ViewHolder
         }
 
-        viewHolder.textView.text = uas[position].account.aor.split(":")[1]
+        val ua = uas[position]
+        viewHolder.textView.text = ua.account.aor.split(":")[1]
         viewHolder.textView.textSize = 17f
+        if (ua.calls().isNotEmpty())
+            viewHolder.textView.setTextColor(getColor(cxt, R.color.colorRed))
         viewHolder.imageView.setImageResource(images[position])
 
         return rowView

app/src/main/kotlin/com/tutpro/baresip/UserAgent.kt

@@ -19,6 +19,20 @@ class UserAgent(val uap: Long) {
         BaresipService.status[BaresipService.uas.indexOf(this)] = status
     }
 
+    fun calls(dir: String = ""): ArrayList<Call> {
+        val result = ArrayList<Call>()
+        for (c in BaresipService.calls)
+            if ((c.ua == this) && ((dir == "") || c.dir == dir)) result.add(c)
+        return result
+    }
+
+    fun currentCall(): Call? {
+        for (c in BaresipService.calls)
+            if (c.ua == this)
+                return c
+        return null
+    }
+
     companion object {
 
         fun uas(): ArrayList<UserAgent> {

app/src/main/kotlin/com/tutpro/baresip/Utils.kt

@@ -123,6 +123,7 @@ object Utils {
         val params = uriParams(u)
         if (uri.startsWith("<") && (uri.endsWith(">")))
             u = uri.substring(1).substringBeforeLast(">")
+        u = u.substringBefore("?")
         u = u.replace(":5060", "")
         u = u.replace(";transport=udp", "", true)
         if (u.split(":").size == 3 ||

app/src/main/res/layout/call_transfer_dialog.xml

@@ -11,15 +11,67 @@
         android:paddingTop="?dialogPreferredPadding"
         android:paddingStart="?dialogPreferredPadding"
         android:paddingEnd="?dialogPreferredPadding"
+        android:paddingBottom="8dp"
         android:textSize="20sp"
         android:text="@string/call_transfer"
         android:textColor="@color/colorPrimary" />
 
+    <RelativeLayout
+        android:id="@+id/blindOrAttended"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:paddingStart="?dialogPreferredPadding"
+        android:paddingEnd="?dialogPreferredPadding"
+        android:visibility="gone"
+        android:orientation="horizontal" >
+
+        <TextView
+            android:id="@+id/blindTitle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentStart="true"
+            android:layout_centerVertical="true"
+            android:textSize="16sp"
+            android:text="@string/blind" >
+        </TextView>
+
+        <CheckBox
+            android:id="@+id/blind"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_toEndOf="@id/blindTitle"
+            android:checked="true" >
+        </CheckBox>
+
+        <TextView
+            android:id="@+id/attendedTitle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_toStartOf="@id/attended"
+            android:textSize="16sp"
+            android:text="@string/attended" >
+        </TextView>
+
+        <CheckBox
+            android:id="@+id/attended"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentEnd="true"
+            android:layout_centerVertical="true"
+            android:checked="false" >
+        </CheckBox>
+
+    </RelativeLayout>
+
     <TextView
         android:id="@+id/transferDestination"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:padding="?dialogPreferredPadding"
+        android:paddingEnd="?dialogPreferredPadding"
+        android:paddingStart="?dialogPreferredPadding"
+        android:paddingBottom="12dp"
         android:textSize="16sp"
         android:text="@string/transfer_destination"
         android:textColor="@color/colorStrong" />

app/src/main/res/values-fi/strings.xml

@@ -452,8 +452,11 @@
     <string name="call_is_on_hold">Puhelu on pidossa</string>
     <string name="mic">Mikrofoni päälle/pois</string>
     <string name="call_transfer">Puhelun siirto</string>
+    <string name="blind">Sokeasti</string>
+    <string name="attended">Osallistu</string>
     <string name="transfer_destination">Siirron kohde</string>
     <string name="transfer">Siirto</string>
+    <string name="execute_transfer">Suorita siirto</string>
     <string name="transfer_failed">Siirto epäonnistui</string>
     <string name="dtmf">DTMF</string>
     <string name="call_info">Puhelutiedot</string>

app/src/main/res/values/strings.xml

@@ -412,8 +412,11 @@
     <string name="call_is_on_hold">Call is on hold</string>
     <string name="mic">Microphone On/Off</string>
     <string name="call_transfer">Call Transfer</string>
+    <string name="blind">Blind</string>
+    <string name="attended">Attended</string>
     <string name="transfer_destination">Transfer destination</string>
     <string name="transfer">Transfer</string>
+    <string name="execute_transfer">Execute Transfer</string>
     <string name="transfer_failed">Transfer Failed</string>
     <string name="dtmf">DTMF</string>
     <string name="call_info">Call Info</string>