GA/T 379.9-2002
Message formats and protocols for serial data interfaces in alarm transmission systems Part 9:PTT interfaces for dedicated communications channels using ITU-T recommendation V.23 signalling (English Version)
- Standard No.
- GA/T 379.9-2002
- Language
- Chinese, Available in English version
- Release Date
- 2002
- Published By
- Professional Standard - Public Safety Standards
- Status
- 2013-05
- Latest
- GA/T 379.9-2002
GA/T 379.9-2002 history
- 2002 GA/T 379.9-2002 Message formats and protocols for serial data interfaces in alarm transmission systems Part 9:PTT interfaces for dedicated communications channels using ITU-T recommendation V.23 signalling
