Summary

Amendment 1 to Recommendation ITU-T G.997.1 (2009) contains:

–          Support of receiver referred virtual noise in the upstream direction for Recommendation ITU‑T G.993.2.

–          Support of Recommendation ITU‑T G.998.4 (ex G.inp).

–          Support of Recommendation ITU‑T G.993.5 (ex G.vector).