... fax realy 1 to 4 E1/T1 ports VoIP SIP E1/T1 ISDN PRI Trunk gateway Support PRI ... G.723.1,G.729,GSM,iLBC,T.38)Ideal PSTN termination for IP phones, VoIP gateway, IPPBX, ... and large variety of IADs.ManagementLike other WSS series VoIP products, WSS100-TG has the Web GUI and ... .30, T.38 Fax Relay· BillingRadius Interface· Gateway ConfigurationWeb Based User Interface, Text Based Configuration· Remote ...