diff --git a/generated/voipvoicectp.go b/generated/voipvoicectp.go
index 2bbd0d7..3dbb0c9 100644
--- a/generated/voipvoicectp.go
+++ b/generated/voipvoicectp.go
@@ -27,11 +27,11 @@
 
 // VoipVoiceCtpClassID is the 16-bit ID for the OMCI
 // Managed entity VoIP voice CTP
-const VoipVoiceCtpClassID ClassID = ClassID(139)
+const VoipVoiceCtpClassID = ClassID(139) // 0x008b
 
 var voipvoicectpBME *ManagedEntityDefinition
 
-// VoipVoiceCtp (class ID #139)
+// VoipVoiceCtp (Class ID: #139 / 0x008b)
 //	The VoIP voice CTP defines the attributes necessary to associate a specified VoIP service (SIP,
 //	ITUT-H.248) with a POTS UNI. This entity is conditionally required for ONUs that offer VoIP
 //	services. If a non-OMCI interface is used to manage VoIP signalling, this ME is unnecessary.
@@ -45,27 +45,41 @@
 //
 //	Attributes
 //		Managed Entity Id
-//			Managed entity ID: This attribute uniquely identifies each instance of this ME. (R, setbycreate)
-//			(mandatory) (2-bytes)
+//			This attribute uniquely identifies each instance of this ME. (R, setbycreate) (mandatory)
+//			(2-bytes)
 //
 //		User Protocol Pointer
-//			User protocol pointer: This attribute points to signalling protocol data. If the signalling
-//			protocol used attribute of the VoIP config data ME specifies that the ONU's signalling protocol
-//			is SIP, this attribute points to a SIP user data ME, which in turn points to a SIP agent config
-//			data ME. If the signalling protocol is ITU-T-H.248, this attribute points directly to an MGC
-//			config data ME. (R,-W, setbycreate) (mandatory) (2-bytes)
+//			This attribute points to signalling protocol data. If the signalling protocol used attribute of
+//			the VoIP config data ME specifies that the ONU's signalling protocol is SIP, this attribute
+//			points to a SIP user data ME, which in turn points to a SIP agent config data ME. If the
+//			signalling protocol is ITU-T-H.248, this attribute points directly to an MGC config data ME.
+//			(R,-W, setbycreate) (mandatory) (2-bytes)
 //
 //		Pptp Pointer
-//			PPTP pointer: This attribute points to the PPTP POTS UNI ME that serves the analogue telephone
-//			port. (R,-W, setbycreate) (mandatory) (2-bytes)
+//			This attribute points to the PPTP POTS UNI ME that serves the analogue telephone port. (R,-W,
+//			setbycreate) (mandatory) (2-bytes)
 //
 //		V O Ip Media Profile Pointer
 //			VoIP media profile pointer: This attribute points to an associated VoIP media profile. (R,-W,
 //			setbycreate) (mandatory) (2-bytes)
 //
 //		Signalling Code
+//			3	Loop reverse battery
+//
+//			4	Coin first
+//
+//			5	Dial tone first
+//
+//			6	Multi-party
+//
 //			(R,-W, setbycreate) (mandatory) (1-byte)
 //
+//			This attribute specifies the POTS-side signalling as follows.
+//
+//			1	Loop start
+//
+//			2	Ground start
+//
 type VoipVoiceCtp struct {
 	ManagedEntityDefinition
 	Attributes AttributeValueMap