diff --git a/src/classic/avdtp_util.c b/src/classic/avdtp_util.c
index 83706c803..b047560e4 100644
--- a/src/classic/avdtp_util.c
+++ b/src/classic/avdtp_util.c
@@ -46,6 +46,43 @@
 
 #define MAX_MEDIA_CODEC_INFORMATION_LENGTH 100
 
+
+/*
+
+ List of AVDTP_SUBEVENTs sorted by packet handler
+
+
+Sink + Source:
+- AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED
+- AVDTP_SUBEVENT_SIGNALING_CONNECTION_RELEASED
+- AVDTP_SUBEVENT_SIGNALING_SEP_FOUND
+- AVDTP_SUBEVENT_SIGNALING_ACCEPT
+- AVDTP_SUBEVENT_SIGNALING_REJECT
+- AVDTP_SUBEVENT_SIGNALING_GENERAL_REJECT
+- AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY
+- AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY
+- AVDTP_SUBEVENT_SIGNALING_MEDIA_TRANSPORT_CAPABILITY
+- AVDTP_SUBEVENT_SIGNALING_REPORTING_CAPABILITY
+- AVDTP_SUBEVENT_SIGNALING_RECOVERY_CAPABILITY
+- AVDTP_SUBEVENT_SIGNALING_CONTENT_PROTECTION_CAPABILITY
+- AVDTP_SUBEVENT_SIGNALING_MULTIPLEXING_CAPABILITY
+- AVDTP_SUBEVENT_SIGNALING_DELAY_REPORTING_CAPABILITY
+- AVDTP_SUBEVENT_SIGNALING_HEADER_COMPRESSION_CAPABILITY
+- AVDTP_SUBEVENT_SIGNALING_CAPABILITIES_DONE
+- AVDTP_SUBEVENT_SIGNALING_SEP_DICOVERY_DONE
+
+Source:
+ - AVDTP_SUBEVENT_SIGNALING_DELAY_REPORT
+
+Sink or Source based on SEP Type:
+- AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED
+- AVDTP_SUBEVENT_STREAMING_CONNECTION_RELEASED
+- AVDTP_SUBEVENT_STREAMING_CAN_SEND_MEDIA_PACKET_NOW
+- AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION
+- AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CONFIGURATION
+
+*/
+
 static const char * avdtp_si_name[] = {
     "ERROR",
     "AVDTP_SI_DISCOVER",