T8C07:What is Voice Over Internet Protocol (VoIP)?
Direct answer summary (2026-2030 NCVEC pool)
The official correct answer for T8C07 is A method of delivering voice communications over the internet using digital techniques.
The key fact is A method of delivering voice communications over the internet using digital techniques. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.