diff --git a/controlstream.go b/controlstream.go
index 5d4aaca..ef328ef 100644
--- a/controlstream.go
+++ b/controlstream.go
@@ -21,8 +21,12 @@ type controlStream struct {
 
 	authInnerSendSeq uint16
 	authID           [6]byte
+	gotAuthID        bool
+	authOk           bool
+
+	a8replyID    [16]byte
+	gotA8ReplyID bool
 
-	gotAuthID                  bool
 	serialAndAudioStreamOpened bool
 	deinitializing             bool
 
@@ -103,8 +107,8 @@ func (s *controlStream) sendRequestSerialAndAudio() error {
 		byte(s.common.remoteSID >> 24), byte(s.common.remoteSID >> 16), byte(s.common.remoteSID >> 8), byte(s.common.remoteSID),
 		0x00, 0x00, 0x00, 0x80, 0x01, 0x03, 0x00, byte(s.authInnerSendSeq),
 		byte(s.authInnerSendSeq >> 8), 0x00, s.authID[0], s.authID[1], s.authID[2], s.authID[3], s.authID[4], s.authID[5],
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
-		0x80, 0x00, 0x00, 0x90, 0xc7, 0x0e, 0x86, 0x01, // The last 5 bytes from this row can be acquired from a reply starting with 0xa8 or 0x90
+		s.a8replyID[0], s.a8replyID[1], s.a8replyID[2], s.a8replyID[3], s.a8replyID[4], s.a8replyID[5], s.a8replyID[6], s.a8replyID[7],
+		s.a8replyID[8], s.a8replyID[9], s.a8replyID[10], s.a8replyID[11], s.a8replyID[12], s.a8replyID[13], s.a8replyID[14], s.a8replyID[15],
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x49, 0x43, 0x2d, 0x37, 0x30, 0x35, 0x00, 0x00, // IC-705 in plain text
@@ -127,8 +131,45 @@ func (s *controlStream) sendRequestSerialAndAudio() error {
 	return nil
 }
 
+func (s *controlStream) sendRequestSerialAndAudioIfPossible() {
+	if !s.serialAndAudioStreamOpened && s.authOk && s.gotA8ReplyID {
+		time.AfterFunc(time.Second, func() {
+			if err := s.sendRequestSerialAndAudio(); err != nil {
+				reportError(err)
+			}
+		})
+	}
+}
+
 func (s *controlStream) handleRead(r []byte) error {
 	switch len(r) {
+	case 168:
+		if bytes.Equal(r[:6], []byte{0xa8, 0x00, 0x00, 0x00, 0x00, 0x00}) {
+			// Example answer from radio:
+			// 0xa8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
+			// 0x01, 0x13, 0x11, 0x18, 0x38, 0xff, 0x55, 0x7d,
+			// 0x00, 0x00, 0x00, 0x98, 0x02, 0x02, 0x00, 0x07,
+			// 0x00, 0x00, 0x7f, 0x91, 0x00, 0x00, 0x4f, 0x0d,
+			// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			// 0x00, 0x01, 0x93, 0x8a, 0x01, 0x24, 0x17, 0x64,
+			// 0xbc, 0x4b, 0xa3, 0xa0, 0x13, 0x58, 0x41, 0x04,
+			// 0x58, 0x2d, 0x49, 0x43, 0x2d, 0x37, 0x30, 0x35,
+			// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			// 0x00, 0x00, 0x49, 0x43, 0x4f, 0x4d, 0x5f, 0x56,
+			// 0x41, 0x55, 0x44, 0x49, 0x4f, 0x00, 0x00, 0x00,
+			// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			// 0x00, 0x00, 0x3f, 0x3f, 0xa4, 0x01, 0xff, 0x01,
+			// 0xff, 0x01, 0x01, 0x01, 0x00, 0x00, 0x4b, 0x00,
+			// 0x01, 0x50, 0x00, 0xb8, 0x0b, 0x00, 0x00, 0x00
+			copy(s.a8replyID[:], r[66:82])
+			s.gotA8ReplyID = true
+		}
 	case 64:
 		if bytes.Equal(r[:6], []byte{0x40, 0x00, 0x00, 0x00, 0x00, 0x00}) {
 			// Example answer from radio:   0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
@@ -144,14 +185,10 @@ func (s *controlStream) handleRead(r []byte) error {
 
 			log.Debug("auth ok")
 
-			if r[21] == 0x05 && !s.serialAndAudioStreamOpened { // Answer for our second auth?
+			if r[21] == 0x05 { // Answer for our second auth?
+				s.authOk = true
 				s.secondAuthTimer.Stop()
-
-				time.AfterFunc(time.Second, func() {
-					if err := s.sendRequestSerialAndAudio(); err != nil {
-						reportError(err)
-					}
-				})
+				s.sendRequestSerialAndAudioIfPossible()
 			}
 		}
 	case 80: