SN4990A/4E30V60RHP4G/EUI

SmartNode IAD-eSBC, 4 E1/T1 PRI, Trinity Only, 30 VoIP Calls upgradeable to 60, or 15 SIP-SIP calls (SIP b2b UA) upgradeable (max. 80), Failover relay, High Precision 5ppm Clock, G.SHDSL.bis-EFM (8-Wire), SIP-TLS, SRTP, 2x Gig Ethernet, external UI power (100–240 VAC) NA/EU