- Added Call add method.

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

@@ -11,6 +11,10 @@ class Call(val callp: String, val ua: UserAgent, val peerURI: String, val dir: S
     var zid = ""
     var hasHistory = false
 
+    fun add() {
+        BaresipService.calls.add(this)
+    }
+
     fun connect(uri: String): Int {
         return call_connect(callp, uri)
     }

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

@@ -1199,7 +1199,7 @@ class MainActivity : AppCompatActivity() {
         val callp = Api.ua_connect(ua.uap, uri, Api.VIDMODE_OFF)
         if (callp != "") {
             Log.d("Baresip", "Adding outgoing call ${ua.uap}/$callp/$uri")
-            Call.calls().add(Call(callp, ua, uri, "out", status, Utils.dtmfWatcher(callp)))
+            Call(callp, ua, uri, "out", status, Utils.dtmfWatcher(callp)).add()
             showCall(ua)
             return true
         } else {
@@ -1215,7 +1215,7 @@ class MainActivity : AppCompatActivity() {
             Log.d("Baresip", "Adding outgoing call ${ua.uap}/$newCallp/$uri")
             val newCall = Call(newCallp, ua, uri, "out", "transferring",
                     Utils.dtmfWatcher(newCallp))
-            Call.calls().add(newCall)
+            newCall.add()
             Api.ua_hangup(ua.uap, call.callp, 0, "")
             // Api.call_stop_audio(call.callp)
             val err = newCall.connect(uri)