Configurable E1 or T1 Interface by WEB support US/Euro ISDN PRI signaling & SIP protocol ... other WSS series VoIP products, WSS100-TG has the Web GUI and text configuration interfaces to upgrade, maintain, download ... ConfigurationWeb Based User Interface, Text Based Configuration· Remote ProvisioningHTTP/WEB Mode, Remote Software Upgrade, Alarm, Performance DataSignaling· PSTN Side ISDN PRI ...