diff --git a/app/build.gradle b/app/build.gradle
index 42e3c89a..df989b41 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId = 'com.tutpro.baresip'
         minSdkVersion 21
         targetSdkVersion 27
-        versionCode = 21
-        versionName = '3.0.0'
+        versionCode = 22
+        versionName = '3.0.1'
         externalNativeBuild {
             cmake {
                 cFlags '-DHAVE_INTTYPES_H'
diff --git a/app/src/main/cpp/baresip.c b/app/src/main/cpp/baresip.c
index c768db53..2dff12bd 100644
--- a/app/src/main/cpp/baresip.c
+++ b/app/src/main/cpp/baresip.c
@@ -865,7 +865,7 @@ Java_com_tutpro_baresip_MainActivity_ua_1connect(JNIEnv *env, jobject thiz,
     LOGD("connecting ua %s to %s\n", native_ua, native_uri);
     ua = (struct ua *)strtoul(native_ua, NULL, 10);
     re_thread_enter();
-    err = ua_connect(ua, &call, NULL, native_uri, NULL, VIDMODE_OFF);
+    err = ua_connect(ua, &call, NULL, native_uri, VIDMODE_OFF);
     re_thread_leave();
     if (err) {
         LOGW("connecting to %s failed with error %d\n", native_uri, err);
diff --git a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
index 5e40fc03..085aa6b5 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
@@ -23,7 +23,6 @@ import android.support.v7.view.menu.ActionMenuItemView
 import android.view.inputmethod.InputMethodManager
 import android.text.Editable
 import android.text.TextWatcher
-import android.widget.RelativeLayout.LayoutParams
 import android.widget.RelativeLayout
 import android.widget.*
 import android.view.*