diff --git a/doc/bsc_tests_aoip.dot b/doc/bsc_tests_aoip.dot
index 161142a..1457bdf 100644
--- a/doc/bsc_tests_aoip.dot
+++ b/doc/bsc_tests_aoip.dot
@@ -50,7 +50,7 @@
 		shape = "record"
 		label = "<f0> StatsD_Checker_CT | <STATSD_PROC> STATSD_PROC | <STATS> STATS | <STATSVTY> STATSVTY"
 	]
-	"StatsD_Checker_CT":STATS -> "system":IPL4
+	"StatsD_Checker_CT":STATS -> "system":IPL4 [label="STATSD_CODEC_PT"]
 	"StatsD_Checker_CT":STATSVTY -> "system":TELNET
 	"MSC_ConnHdlr":STATSD_PROC -> "StatsD_Checker_CT":STATSD_PROC
 
@@ -59,7 +59,7 @@
 		shape = "record"
 		label = "<f0> MGCP_Emulation_CT | <MGCP_CLIENT> MGCP_CLIENT | <MGCP_PROC> MGCP_PROC | <MGCP_CLIENT_MULTI> MGCP_CLIENT_MULTI | <MGCP> MGCP"
 	]
-	"MGCP_Emulation_CT":MGCP -> "system":IPL4
+	"MGCP_Emulation_CT":MGCP -> "system":IPL4 [label="MGCP_CODEC_PT"]
 	"MGCP_Emulation_CT":MGCP -> "IPA_Emulation_CT":IPA_MGCP_PORT
 	"MSC_ConnHdlr":MGCP -> "MGCP_Emulation_CT":MGCP_CLIENT
 	"MSC_ConnHdlr":MGCP_PROC -> "MGCP_Emulation_CT":MGCP_PROC
@@ -71,7 +71,7 @@
 		shape = "record"
 		label = "<f0> IPA_Emulation_CT | <MTP3_SP_PORT> MTP3_SP_PORT | <IPA_MGCP_PORT> IPA_MGCP_PORT | <IPA_RSL_PORT> IPA_RSL_PORT | <IPA_OML_PORT> IPA_OML_PORT | <IPA_CTRL_PORT> IPA_CTRL_PORT | <IPA_GSUP_PORT> IPA_GSUP_PORT | <IPA_RSPRO_PORT> IPA_RSPRO_PORT | <IPA_OSMO_PCU_PORT> IPA_OSMO_PCU_PORT | <IPA_SP_PORT> IPA_SP_PORT | <IPA_PORT> IPA_PORT"
 	];
-	"IPA_Emulation_CT":IPA_PORT -> "system":IPL4
+	"IPA_Emulation_CT":IPA_PORT -> "system":IPL4 [label="IPA_CODEC_PT"]
 
 
 	"system" [