... with any codec (G.711u/aLaw, G.723.1,G.729,GSM,iLBC,T.38)Ideal PSTN ... termination for IP phones, VoIP gateway, IPPBX, PBX accessEmbeded with RTP voice proxy ... four T1/E1 interfaces can maximally process 120 simultaneous VoIP calls. WSS100-TG embeds powerful DSP technology which ... Voice ProcessingVoice Codec: G.711, G.729A, G.723.1, GSM, iLBCEcho Cancellation: G.168, tail length: 8/ ...