PATTON SmartNode SN5550 eSBC + Router, 2 BRI, 2FXS, 2FXO, 4 VoIP Calls Upgradeable (Max. 8) Or 4 SIP-SIPCalls (SIP b2b UA) Upgradable (max. 200), 2 Transcoded SIP Sessions (max. 4), SIP-TLS, SRTP, High Precision 5ppm Clock, 2x Gig Ethernet, 1x USB Port, External UI Power (100–240 VAC) NA/EU
