The Alphabet of American Sign Language VS Balinese Sign Language It is one of Indonesian Sign Language (ISL) or Bahasa Isyarat Indonesia (BISINDO). Fact: Indonesian Sign Language is not a national sign language. Each region/city has their own sign language such as Jakarta Sign Language, Yogyakarta Sign Language, etc. - Surya Sahetapy Hope you learned something new today! Enjoy learning the difference between ASL and Indonesian Sign Language! Happy learning! Share with your loved ones if you thin