Further information for Patton SN4171/1E15V30HP/EUI VoIP Gateway 1 PRI 15 channels
SmartNode VoIP GW, 1 E1/T1 PRI, 15 VoIP calls upgradeable to 30, or 15 SIP-SIP calls (SIP b2b UA) upgradeable (max. 200), High Precision 5ppm Clock, optional SIP-TLS, SRTP, 1x Gig Ethernet , 1x USB port, external UI power (100240 VAC) NA/EU