PATTON SmartNode Gateway-Router GW-eSBC, 4 E1/T1 PRI, 30 VoIP Calls Upgradeable To 120, Or 15 SIP-SIP Calls (SIP b2b UA) Upgradeable (Max. 80), Failover Relay, High Precision 5ppm Clock, SIP-TLS, SRTP, 2x Gig Ethernet, External UI Ppower (100–240 VAC) NA/EU
