anchor.diff:  
   parse_sua_gt_digits(NoDigits, Remain) ->
   	% as opposed to ISUP/SCCP, we can have more than one nibble padding,
  -	io:format("NoDigits=~p (~p)~n", [NoDigits, Remain]),
   	OddEven = NoDigits rem 1,
   	case OddEven of
   		0 ->
  
positive.code: % convert an individual SUA parameter to a SCCP option
  sua_to_sccp_param(_, _, ?SUA_IEI_PROTO_CLASS, Remain) ->
  	<<_:24, RetErr:1, _:5, Class:2>> = Remain,
  	[{?SCCP_PNC_PROTOCOL_CLASS, Class}];
  sua_to_sccp_param(_, _, ?SUA_IEI_SRC_ADDR, Remain) ->
  	Addr = sua_to_sccp_addr(Remain),
  	[{?SCCP_PNC_CALLING_PARTY_ADDRESS, Addr}];
  sua_to_sccp_param(_, _, ?SUA_IEI_DEST_ADDR, Remain) ->
  	Addr = sua_to_sccp_addr(Remain),
  	[{?SCCP_PNC_CALLED_PARTY_ADDRESS, Addr}];
  sua_to_sccp_param(_, _, ?SUA_IEI_SEQ_CTRL, Remain) ->
  	[{?SCCP_PNC_SEQUENCING, Remain}];
  sua_to_sccp_param(_, _, ?SUA_IEI_S7_HOP_CTR, Remain) ->
  
negative.code: 	<<_:24, GTI:8, NoDigits:8, TransType:8, NumPlan:8, NAI:8, Remain/binary>> = Bin,
  	Number = parse_sua_gt_digits(NoDigits, Remain),
  	#global_title{gti = GTI, nature_of_addr_ind = NAI,
  		      trans_type = TransType,
  		      numbering_plan = NumPlan,
  		      phone_number = Number}.
  encode_sua_gt(Gt) when is_record(Gt, global_title) ->
  	#global_title{gti = GTI, nature_of_addr_ind = NAI,
  		      trans_type = TransType,
  		      numbering_plan = NumPlan,
  		      phone_number = Number} = Gt,
  	NoDigits = count_digits(Number),
  