ISO-IR-165 is a multi-byte graphic character set for Chinese communications created for CCITT in 1992.
ISO-IR-165 is the combination of GB 2312 (including the modifications and additions specified in GB 6345.1-86) and GB 8565.2 Information Processing - Coded Character Sets for Text Communication - Part 2: Graphic Characters. In total the set contains 8446 characters. It conforms to the ISO 2022 standard.
References
ISO-IR-165 Wikipedia(Text) CC BY-SA