anchor.diff:  -define(SCCP_SSN_BISDN,		2#000001101).
   -define(SCCP_SSN_TC_TEST,	2#000001110).
   
  +% According to Q.731 Section 3.4.2.3.1
  +-define(SCCP_NAI_SUBSCRIBER,	2#00000001).
  +-define(SCCP_NAI_NATIONA_SIGN,	2#00000011).
  +-define(SCCP_NAI_INTERNATIONAL,	2#00000100).
  +
   % According to Q.713 Section 3.11 - Release Cause
   %FIXME
   
  
positive.code: 
  -record(global_title, {
  	  gti :: 0..15,
  	  nature_of_addr_ind :: 0..255,
  	  trans_type,
  	  encoding	:: 0..15,
  	  numbering_plan:: 0..15,
  
negative.code: 	  ssn,			% optional
  	  global_title		% optional
  	}).
  