- Moved call related API functions to Call class.

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

@@ -11,10 +11,66 @@ class Call(val callp: String, val ua: UserAgent, val peerURI: String, val dir: S
     var zid = ""
     var hasHistory = false
 
+    fun connect(uri: String): Int {
+        return call_connect(callp, uri)
+    }
+
+    fun startAudio() {
+        call_start_audio(callp)
+    }
+
+    fun stopAudio() {
+        call_stop_audio(callp)
+    }
+
+    fun hold(): Int {
+        return call_hold(callp)
+    }
+
+    fun unhold(): Int {
+        return call_unhold(callp)
+    }
+
+    fun sendDigit(digit: Char): Int {
+        return call_send_digit(callp, digit)
+    }
+
+    fun notifySipfrag(code: Int, reason: String) {
+        call_notify_sipfrag(callp, code, reason)
+    }
+
+    fun hasVideo(): Boolean {
+        return call_has_video(callp)
+    }
+
+    fun peerUri(): String {
+        return call_peeruri(callp)
+    }
+
+    fun status(): String {
+        return call_status(callp)
+    }
+
+    fun audioCodecs(): String {
+        return call_audio_codecs(callp)
+    }
+
     init {
         if (ua.account.mediaEnc != "") security = R.drawable.box_red
     }
 
+    private external fun call_connect(callp: String, peer_uri: String): Int
+    private external fun call_hold(callp: String): Int
+    private external fun call_unhold(callp: String): Int
+    private external fun call_peeruri(callp: String): String
+    private external fun call_send_digit(callp: String, digit: Char): Int
+    private external fun call_notify_sipfrag(callp: String, code: Int, reason: String)
+    private external fun call_start_audio(callp: String)
+    private external fun call_stop_audio(callp: String)
+    private external fun call_audio_codecs(callp: String): String
+    private external fun call_status(callp: String): String
+    private external fun call_has_video(callp: String): Boolean
+
     companion object {
 
         fun calls(): ArrayList<Call> {