SN4990A/1E30VHPI/EUI

SmartNode IAD-eSBC, 1 E1/T1 PRI, Trinity Only, 30 VoIP Calls not upgradeable, or 15 SIP-SIP calls (SIP b2b UA) upgradeable (max. 80), High Precision 5ppm Clock, SIP-TLS, SRTP, 2x Gig Ethernet and 1x FastEthernet, external UI power (100–240 VAC) NA/EU