anchor.diff:  			<<TransType:8, NumPlan:4, Enc:4, 0:1, Nature:7, Digits/binary>> = BinGT,
   			PhoneNum = isup_codec:parse_isup_party(Digits, enc_is_odd(Enc)),
   			#global_title{gti = GTind,
  -				      trans_type = TransType, encoding = Enc,
  +				      trans_type = TransType,
   				      numbering_plan = NumPlan,
   				      nature_of_addr_ind = Nature,
   				      phone_number = PhoneNum};
  
positive.code: 	{?SCCP_GTI_NO_GT, <<>>};
  encode_gt(#global_title{gti = GTind, phone_number = PhoneNum,
  			nature_of_addr_ind = Nature,
  			trans_type = TransType, encoding = _EncOrig,
  			numbering_plan = NumPlan}) ->
  	case GTind of
  		?SCCP_GTI_NO_GT ->
  
negative.code: 			<<TransType:8, NumPlan:4, Enc:4, Digits/binary>> = BinGT,
  			PhoneNum = isup_codec:parse_isup_party(Digits, enc_is_odd(Enc)),
  			#global_title{gti = GTind,
  				      trans_type = TransType,
  				      numbering_plan = NumPlan,
  				      phone_number = PhoneNum};
  		?SCCP_GTI_TT_NP_ENC_NAT ->
  