The present document defines symbols to identify telecommunication facilities for deaf and hard of hearing people. The telecommunication facilities addressed are: amplification; coupling for hearing aids, these include: induction coupling; electrical coupling. text telephony; videotelephony, these include: general videotelephone; high quality videotelephone, suitable for lip reading and fluent signing. general non-specific facilities which may or may not be telecommunication related.
DS/EN 301462 V1.1.1:2001 history
2001DS/EN 301462 V1.1.1:2001 Human Factors (HF); Symbols to identify telecommunications facilities for deaf and hard of hearing people