Voice Compression This topic has 0 replies, 1 voice, and was last updated 21 years, 5 months ago by Madiha. Viewing 1 post (of 1 total) Author Posts 2nd September 2003 at 10:34 #25181 MadihaGuest Does ITU Recommendation G.726 using ADPCM supprot voice compression to 16kbps. If possible then what is MOS value. Is it toll quality voice or not? Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.