... interface for CDRAdvanced technologies including SIP protocol, Frequency domain echo cancellation and iLBC codec;Compatible with asterisk,3CX,Yate based on ... process 120 simultaneous VoIP calls. WSS100-TG embeds powerful DSP technology which possesses 4800 MIPS processing power, for full ... support CODEC (G.711, G.729A, G.723,iLBC,GSM), echo cancellation (G.168), DTMF relay (RFC2833), and fax relay (T ...