SmartNode VoIP Gateway, 32 FXS on 2xRJ21-50pin, K.21 basic surge protection, 32 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, Optional Transcoding (max. 16 calls), 2x Gig Ethernet, 1x USB, 1x Console, Redundant 48V DC Power
