2.4 Ensure that videophones allow simultaneous text dialogue

Provide text functionality where possible, either as part of the videophone hardware or by allowing the connection of a separate dedicated device.

Rationale

Videophones that can handle text communication simultaneously enable an integrated method of exchanging information via a combination of sign-language, lip-reading and written text. The flexibility of this multimedia communication dramatically improves ease of use for some users.

Directions and Techniques

There are no specific techniques recommended for this guideline.

How you could check for this:

There are no specific test methods recommended for this guideline.