SN4171/2ETH2E30VRHP/EUI
SmartNode VoIP GW, 2 E1/T1 PRI, 30 VoIP Calls (not upgreadable) or 15 SIP-SIP Calls (SIP b2b UA) upgradeable (max. 200), High Precision 5ppm Clock, Fallback Relay, optional SIP-TLS, SRTP, 2x Gig Ethernet, 1x USB port, external UI power (100–240 VAC) NA/EU