where a voice mode or a visual mode can be used interchangeably

Full Title

Aspects of automatic or semi-automatic exchanges > related to user interface aspects of the telephonic communication service > where a voice mode or a visual mode can be used interchangeably

Child Classifications

Navigate with arrow keys, Enter to open

• H04M 2203/252 where a voice mode is enhanced with visual information
• H04M 2203/253 where a visual mode is used instead of a voice mode