... full load voice processing to support CODEC (G.711, G.729A, G.723,iLBC,GSM), echo cancellation (G.168), DTMF relay (RFC2833), and ... that enable it to interoperate with SIP-based application servers, media servers and large variety of IADs.ManagementLike other WSS series ... 4T1 (96 Channels)· Voice ProcessingVoice Codec: G.711, G.729A, G.723.1, GSM, iLBCEcho Cancellation: G.168, tail length: 8/16/32/64 ...