Are other Siren / G.722.1 codecs also free?
Both Siren7 and Siren14/G.722.1 and G.722.1 Annex C technologies are now offered on royalty-free terms as described above. The license agreement with Polycom covers Polycom’s IP as implemented within both of these standards, as well as within ITU-T G.719, the new fullband (20kHz) codec. Please see the “Siren 7” section of Polycom’s Web site for more information regarding Siren7, and the ITU Web site itself for information regarding G.719.