... Configurable E1 or T1 Interface by WEB support ISDN PRI signaling & SIP protocol T.38 fax realy, RFC2833, Routing ... )Ideal PSTN termination for IP phones, VoIP gateway, IPPBX, PBX accessEmbeded with RTP voice proxy, Digits translationAuto Dial and ... ProcessingT.30, T.38 Fax Relay· BillingRadius Interface· Gateway ConfigurationWeb Based User Interface, Text Based Configuration· Remote ProvisioningHTTP ...