... /aLaw, G.723.1,G.729,GSM,iLBC,T.38)Ideal PSTN termination for IP phones, VoIP gateway, IPPBX, PBX accessEmbeded with ... trunking gateway for IP phones, PC phones and PBX bridge to VoIP services.InteroperabilitiesThe WSS100-TG supports use-wide ISDN PRI connections ... )· Voice ProcessingVoice Codec: G.711, G.729A, G.723.1, GSM, iLBCEcho Cancellation: G.168, tail length: 8/16/32/64 ...