ESBC 8328-4B Specifications Cable Modem Intergrated Enterprise Session Border Controller Features | Specifications A. 12V DC Power B. UPS Port C. Battery Off Button D. Reset Button E. Power Reset Button F. Restore Button G. WAN Port H. LAN 1-4 I. Phone 1-4 J. External Ground K. Battery Compartment Product Specification Category Specification Broadband Uplink Interface 10/100 BaseT Ethernet (RJ-45) Telephone Interface 4 FXS Voice Ports User Data Interface 4 10/100 BaseT Ethernet (RJ-45) Software Specifications Telephony Specification Category Specification SIP Trunking Features Implicit, Explicit, and Static  Registration support SIP User Account Authentication - Digest and RADIUS Secured Registration - TLS SIP Traversal SIP Normalization SIP Header Manipulation SIP Proxy and Registrar SIP Method Filtering Monitoring Features - SIP Call Trace, Call Statistics, and Voice Quality Monitoring, Test Agent for test calls, R-Factor and MOS calculation Data Networking Features Built-in DHCP server NAT capabilities for simultaneous SIP User Accounts Static IP routing and port forwarding NAT traversal UPnP DMZ Deep Packet Inspection SIP Application Layer Gateway Network access Control by application, IP address, Subnet, Port Number, MaC address, or Destination Domain Name Web GUI with 3 levels of page permissions Auto-Backup of Configuration. VoIP Protocols SIP 2.0, RFC 2833 SIP RFC Support RFC 1847, RFC 2045, RFC 2046, RFC 2181, RFC 2617, RFC 2782, RFC 2915, RFC 2976, RFC 3261, RFC 3263, RFC 3265, RFC 3311, RFC 3325, RFC 3326, RFC 3420, RFC 3428, RFC 3486, RFC 3515, RFC 3581, RFC 3761, RFC 3824, RFC 3891, RFC 3892, RFC 3903, RFC 4028, RFC 4320, RFC 4474, RFC 4508, RFC 4566, RFC 3264, RFC 3313, RFC 3323, RFC 3327, RFC 3329, RFC 3388, RFC 3605, RFC 3608, RFC 3841, RFC 3911, RFC 3966, RFC 4483, RFC 4488 Network RFC Support RFC 768, RFC 783, RFC 791, RFC 792, RFC 793, RFC 826, RFC 854, RFC 1157, RFC 1256, RFC 1332, RFC 1349, RFC 1519, RFC 1570, RFC 1631, RFC 1661, RFC 1812, RFC 1918, RFC 2131, RFC 2571, RFC 2572, RFC 2573, RFC 2574, RFC 2575, RFC 2578, RFC 2579, RFC 2580, RFC 2865 Speech Codec Capabilities G.711, G.726 (No compression & simple compression) G.728, G.729E (High quality high complexity codecs) G.723.1, G.729A (Low bit rate codecs) Signal Processing G.168 Echo cancellation Loop Back FAX (T.38 and G.711 fall-back) Caller ID FSK signal regeneration Tones Ring back tone Busy tone Recorder tone 5 distinct rings Dial tone Confirmation tone Ring splash Stutter tone Off hook warning tone Message waiting indicator (MWI) Caller ID generation & call waiting tone Configurable ring frequency DTMF Tone DTMF tone detection and generation Announcements Play out any voice stream sent by Call Agent controlled announcement server OAM&P Access components implemented: TFTP, FTP, HTTP 1.0, SNMP, Telnet, DHCP & DNS Works with any SNMP (v.1-3) -based EMS Offers web-based access as well as TFTP-based remote software downloads or upgrades QoS Voice Bandwidth QoS, Type of Service, VLAN Tagging Physical Specifications Category Specification Loop Current For load of 520Ω, SNMP-settable to 23 mA (default) or 32 mA (max.) Ring Voltage > 40 Vrms @ 2000 ft. 5 REN max. per port 24 AWG loop On Battery Li-ion battery providing 4 hrs Talk Time / 8 hrs Standby Time Power Supply AC 100~240V/50~60Hz (DC 12V @ 4.0 Amps) Dimensions 2.5 in (H) x 7.8 in (W) x 6.0 in (D) / 63.5 mm (H) x 198 mm (W) x 152 mm (D) Approval UL, FCC Part15A Operating Temperature 32°F to 104°F (0°C to 40°C) Storage Temperature -4°F to 140°F (-20°C to 60°C) Operating Humidity Up to 80% RH Storage Humidity Up to 80% RH