... protocol T.38 fax realy,Routing table VoIP SIP E1/T1 ISDN PRI Trunk gateway Support PRI and SIPT.38 Fax RelayRouting ... ,GSM,iLBC,T.38)Ideal PSTN termination for IP phones, VoIP gateway, IPPBX, PBX accessEmbeded with RTP voice proxy, Digits translationAuto Dial ... it is the ideal PSTN trunking gateway for IP phones, PC phones and PBX bridge to VoIP services.InteroperabilitiesThe WSS100-TG supports ...