ID #1056 What Codecs do Hero Support? Support 2018-11-15 11:07 0 Comments Codec Support Voice: G.722 (wideband), G.711 A Law, G.711 U Law, GSM, iLBC, G.729 and G.726 with automatic transcoding between codecs. Video: H.264 and H.263. Fax: T.38 pass-through and termination (Redundancy Mode)