SN4171/2ETH1E15VHP/EUI
SmartNode VoIP GW, 1 E1/T1 PRI, 15 VoIP Calls not upgreadable, 15 SIP Sessions (SIP b2b UA) upgradeable (max. 200), High Precision 5ppm Clock,optional SIP-TLS, SRTP, 2x Gig Ethernet, 1x USB port, external UI power (100–240 VAC) NA/EU