... can be able to comfortably perform voice processing(G.711,G.726,G.729a/b,G.723,G.728,iLBC), echo ... ·Adaptive dynamic buffer technology, to meet the application under bad network; ·G.168 128ms echo cancellation technology ... distance call; ·DTMF detection / generation technology, to effectively support the business of the fax, callback, ... to SIP)CodecG.711 U-Law and A-Law, G.711 Appendix 1, G.723.1 and G ...