Parameter: ISUP Protocol Variant

   ANSI88: Used for ANSI88 specification
   ANSI92: Used for ANSI92 specification
   ANSI95: Used for ANSI95 specification
   TELCORDIA: Used for BELLCORE specification
   ITU: Used for ITU specification
   ITU97: Used for ITU97 specification
   SINGAPORE: Used for SINGAPORE specification
   Q767: Used for Q767 specification
   NTT: Used for NTT specification
   CHINA: Used for CHINA specification
   ETSI: Used for ETSI specification
   ETSIV3: Used for ETSI V3 specification
   UK: Used for UK specification
   SPIROU: Used for Spirou specification
   RUSSIA: Used for Russia specification