SmartNode E-SBC, 2 BRI, 4 VoIP Calls or 4 SIP-SIP-SIP Calls (SIP b2b UA) upgradeable (max. 200), 2 Transcoded Calls (max.4), SIP-TLS, SRTP, High Precision 5ppm Clock, 2x Gig Ethernet, G.SHDSL.bis ATM-EFM (4-Wire), 1x USB port, ext. UI power (100?240 VAC)
