- subvoice grade channel
- канал шириной, меньшей ширины речевого канала
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
subvoice-grade channel — Channel of narrow bandwidth unable to manage voice communications, usually used for slow data communications and teletype … IT glossary of terms, acronyms and abbreviations