Capacity - 200 Max. Registered Users Network Interfaces - 4 FE interfaces configured in 1+1 redundancy or as individual ports Telephony Interfaces - 1-4 BRI ports Security - Perimeter defense against denial of service, fraud and eavesdropping Interoperability - SIP over UDP/TCP/TLS, IPv4 / IPv6, RTP / SRTP (SDES) Management - Browser-based GUI, CLI, SNMP, INI Configuration file, REST API, EMS Warranty - 1 Year The Mediant 500L connects IP-PBXs to any SIP trunking service provider, scaling up to 60 concurrent SBC sessions. It offers superior performance in connecting any SIP to SIP environment, legacy TDM-based PBX systems to IP networks, and IP-PBXs to the PSTN, supporting up to 4 BRI interfaces. - Bundled products cannot be split into separate shipments. - If any part of the bundle is back ordered the entire shipment will be delayed. This product includes software license(s) which cannot be returned. All sales are final. Key Features Rich and powerful SIP normalization and routing mechanisms for seamless interoperability Hybrid SBC enables seamless migration and PSTN fallback Support for BRI interfaces Perimeter defense against denial of service, fraud and eavesdropping VoIP quality monitoring and enforcement Capacities Max. Signaling/Media Sessions 60 Max. SRTP/RTP Sessions 45 Max. Registered Users 200 Telephony Interfaces Digital 1-4 BRI ports, network S/T interfaces, NT or TE termination Clock Source 5 ppm High Precision Network Interfaces 4 FE interfaces configured in 1+1 redundancy or as individual ports Security Access Control DoS/DDoS line rate protection, bandwidth throttling, dynamic blacklisting VoIP Firewall RTP pinhole management, rogue RTP detection and prevention, SIP message policy, advanced RTP latching Privacy Topology hiding, user privacy Traffic Separation VLAN/physical interface separation for multiple media, control and OAMP interfaces Intrusion Detection System Detection and prevention of VoIP attacks, theft of service and unauthorized access Interoperability SIP B2BUA Full SIP transparency, mature and broadly deployed SIP stack, stateful proxy mode SIP interworking 3xx redirect, REFER, PRACK, session timer, early media, call hold, delayed offer Registration and Authentication User registration restriction control, registration and authentication on behalf of users, SIP authentication server for SBC users Transport Mediation SIP over UDP/TCP/TLS, IPv4 / IPv6, RTP / SRTP (SDES) SIP Routing Routing Methods Request URL, IP address, FQDN, ENUM, advanced LDAP, third-party routing control through REST API Management OAM&P Browser-based GUI, CLI, SNMP, INI Configuration file, REST API, EMS