diff --git a/app/src/main/cpp/baresip.c b/app/src/main/cpp/baresip.c
index 6bf03da3..bf981b39 100644
--- a/app/src/main/cpp/baresip.c
+++ b/app/src/main/cpp/baresip.c
@@ -1254,6 +1254,12 @@ Java_com_tutpro_baresip_Api_call_1has_1video(JNIEnv *env, jobject thiz, jlong ca
     return call_has_video((struct call *)call) ? true : false;
 }
 
+JNIEXPORT jint JNICALL
+Java_com_tutpro_baresip_Api_call_1state(JNIEnv *env, jobject thiz, jlong call)
+{
+    return call_state((struct call *)call);
+}
+
 JNIEXPORT jboolean JNICALL
 Java_com_tutpro_baresip_Api_call_1replaces(JNIEnv *env, jobject thiz, jlong call)
 {
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Api.kt b/app/src/main/kotlin/com/tutpro/baresip/Api.kt
index 94d9c61b..4d3a33b5 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Api.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Api.kt
@@ -9,6 +9,13 @@ object Api {
     const val DTMFMODE_RTP_EVENT = 0
     const val DTMFMODE_SIP_INFO = 1
 
+    const val SDP_INACTIVE = 0
+    const val SDP_RECVONLY = 1
+    // const val SDP_SENDONLY = 2
+    // const val SDP_SENDRECV = 3
+
+    const val CALL_STATE_EARLY = 4
+
     external fun account_set_display_name(acc: Long, dn: String): Int
     external fun account_display_name(acc: Long): String
     external fun account_aor(acc: Long): String
@@ -69,7 +76,7 @@ object Api {
     external fun call_audio_codecs(callp: Long): String
     external fun call_duration(callp: Long): Int
     external fun call_stats(callp: Long, stream: String): String
-    external fun call_has_video(callp: Long): Boolean
+    external fun call_state(callp: Long): Int
     external fun call_replaces(callp: Long): Boolean
     external fun call_replace_transfer(xfer_callp: Long, callp: Long): Boolean
     external fun call_diverter_uri(callp: Long): String
diff --git a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
index fe23648a..2403873f 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
@@ -654,7 +654,7 @@ class BaresipService: Service() {
                         return
                     }
                     "call progress" -> {
-                        if (ev[1] != "0")
+                        if ((ev[1].toInt() and Api.SDP_RECVONLY) != 0)
                             stopMediaPlayer()
                         else
                             playRingBack()
@@ -782,11 +782,17 @@ class BaresipService: Service() {
                             return
                     }
                     "call update" -> {
-                        when (ev[1]) {
-                            "0", "1" -> call!!.held = true  // inactive, recvonly
-                            "2", "3" -> call!!.held = false // sendonly, sendrecv
+                        call!!.held = when (ev[1].toInt()) {
+                            Api.SDP_INACTIVE, Api.SDP_RECVONLY -> true
+                            else /* Api.SDP_SENDONLY, Api.SDP_SENDRECV */ -> false
                         }
-                        if (!isMainVisible || call!!.status != "connected")
+                        if (call.state() == Api.CALL_STATE_EARLY) {
+                            if ((ev[1].toInt() and Api.SDP_RECVONLY) != 0)
+                                stopMediaPlayer()
+                            else
+                                playRingBack()
+                        }
+                        if (!isMainVisible || call.status != "connected")
                             return
                     }
                     "call verified", "call secure" -> {
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Call.kt b/app/src/main/kotlin/com/tutpro/baresip/Call.kt
index 6873ff86..0b2e01a5 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Call.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Call.kt
@@ -70,6 +70,10 @@ class Call(val callp: Long, val ua: UserAgent, val peerUri: String, val dir: Str
         return Api.call_stats(callp, stream)
     }
 
+    fun state(): Int {
+        return Api.call_state(callp);
+    }
+
     fun audioCodecs(): String {
         return Api.call_audio_codecs(callp)
     }