diff --git a/gumble/gumble/udp15.go b/gumble/gumble/udp15.go
index 4dda8eb..6919f35 100644
--- a/gumble/gumble/udp15.go
+++ b/gumble/gumble/udp15.go
@@ -545,7 +545,7 @@ func (c *Client) HandleUDPPacket15(packet []byte, pktNum uint64) {
 		return
 	}
 
-	log.Debug("UDP15 #%d: decrypt OK, plaintext_len=%d", pktNum, len(plaintext))
+	log.Info("UDP15 #%d: decrypt OK, plaintext_len=%d", pktNum, len(plaintext))
 
 	// Check type byte (0x00 = Audio, 0x01 = Ping)
 	if len(plaintext) < 1 {
@@ -556,11 +556,11 @@ func (c *Client) HandleUDPPacket15(packet []byte, pktNum uint64) {
 
 	if msgType == 0x01 {
 		// Ping response — just a timestamp, no action needed.
-		log.Debug("UDP15 #%d: ping response", pktNum)
+		log.Info("UDP15 #%d: ping response, ignoring", pktNum)
 		return
 	}
 	if msgType != 0x00 {
-		log.Debug("UDP15 #%d: unknown message type 0x%02x", pktNum, msgType)
+		log.Warn("UDP15 #%d: unknown message type 0x%02x", pktNum, msgType)
 		return
 	}
 
@@ -568,6 +568,7 @@ func (c *Client) HandleUDPPacket15(packet []byte, pktNum uint64) {
 	session, frameNum, opusData, terminator := decodeUDPAudio(plaintext)
 
 	if len(opusData) == 0 && !terminator {
+		log.Info("UDP15 #%d: no opus data (session=%d frame=%d), skipping", pktNum, session, frameNum)
 		return
 	}