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BS 8521:2009
Specification for dual-tone multi-frequency (DTMF) signalling protocol for social alarm systemsMore info
| Author | BSI |
|---|---|
| Editor | BSI |
| Document type | Standard |
| Format | File |
| Confirmation date | 2014-07-01 |
| EAN ISBN | 978 0 580 55079 9 |
| ICS | 13.320 : Alarm and warning systems |
| Number of pages | 30 |
| Replace | BS 7369:1991 |
| Year | 2009 |
| Country | United Kingdom |
| Keyword | BS 8521 ; BS8521 |