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SESSION BORDER CONTROLLER SBC-3000
Key features
  • Up to 3000 simultaneous calls
  • Business process security
  • Efficient management
  • Hardware redundancy
Session border controller
Eltex SBC is an element of VoIP network that participates in call processing as a session border controller. The device provides signal protocol normalization, statistics collection and network protection against unauthorized access and attacks.

Application
Eltex SBC is deployed at the border of the IP networks:
  • between service providers’ networks;
  • between service provider network and Customer’s corporate network;
  • between service provider network and a public network
Features
  • Ensuring security for service provider networks
  • Public IP addresses translation
  • Flexible distribution of redundancy routes
  • Extended Firewall settings
  • Statistics gathering
  • Media streams transcoding1
  • Alarm log
  • Linear scaling1
  • RADIUS access control
  • Operation with subscribers behind NAT
  • SDP analysis and verification
  • End-to-end SLA1
  • Dynamic firewall
  • RTCP control
  • RTP sessions management
  • Efficient management
  • Black and white lists
  • Quality of Service (QoS)1
  • Integration with Eltex.EMS
  • Signaling protocol conversion1
  • Load balancing between trunks
  • Trunks with registration
  • Flexible calls distribution according to established rules
  • 1+1 redundancy1
Bypassing NAT
NAT bypassing is a necessary feature that provides transparent transmission of voice and video traffic over IP networks. Different types of NAT are supported.

Security
Eltex SBC provides network protection against unaut-horized access and DoS attacks. Intellectual access management, ingress load limiting and network topology hiding ensure security of a network.

Network topology hiding
Eltex SBC allows providing access to a carrier or corporate network from an untrusted connection, ensuring security of a Company business data.
The following mechanisms are used:
  • intellectual IP addresses translation for signalling and media traffic;
  • full B2BUA provides a required network isolation level.
Redundancy
Complete redundancy is ensured by the cluster redundancy scheme and presence of backup power modules.

Interconnection
Eltex SBC provides the opportunity of interaction between terminal devices that have non-intersecting codec packs1 and different SIP versions and extensions.

SESSION BORDER CONTROLLER SBC-3000

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  • Signaling protocols

    • SIP, SIP-T/I

    SIP functionality

    • SIP L5 NAT/Topology hiding
    • SIP dialogue transparency
    • SIP transit of unrecognized headers
    • B2BUA as defined in RFC-3261
    • RFC-2833 (Telephone Event)
    • RFC-3264 (Offer/Answer)
    • RFC-3204 (MIME Support)
    • RFC-4028 (Session Timers)
    • RFC-3326 (Reason Field)
    • RFC-3262 (PRACK)
    • RFC-3372 (SIP-T)
    • B2BUA peering
    • B2BUA access
    • RFC-1889 (RTP)
    • RFC-4566 (SDP)
    • RFC-3261
    • RFC-3581
    • RFC-3515 (Refer Method)
    • RFC-3265 (Subscribe)

    Media protocols

    • RTP and RTCP

    Media modes

    • Flow-through
    • Flow-around1

    Transport protocols

    • TCP
    • UDP
    • TCP/UDP interworking

    Network protocols

    • LACP1
    • IPv4
    • IPv61

    Video codecs

    • H.263
    • H.263-1998
    • H.264

    Capacity

    • Up to 2000 simultaneous calls

    Redundancy1

    • Warm standby 1+1 redundancy
    • Automatic switching to backup
    • Automatic synchronization of primary and backup equipment settings

    Security

    • Up to 500 VLAN
    • VPN (L2TP, PPTP)
    • Rogue RTP detection
    • Toll-free, fraud protection1
    • Protection against SIP/ICMP DoS flood
    • DDoS1
    • Protection against overloading based on registration
    • IP address filtering by geographical criterion

    Fax transmission

    • T.38
    • G.711

    Voice codecs

    • G.711 (a-law, µ-law), G.729, G.729 (A/B), G.723.1, G.722, G.728, G.726

    Quality of Service (QoS)

    • IP priority mechanism1
    • Differentiated Services Code Point (DSCP) marking1

    Interfaces
    IP

    • 2 x 10/100/1000BASE-T (RJ-45)/1000BASE-X(SFP) ports
    • 2 x 10/100/1000BASE-T (RJ-45) ports

    USB port, 2 slots for SATA HDD, form factor 2,5''

    • Alarm logging
    • Billing data recording

    Connection statistics

    • Writing CDR files to the SATA storage
    • Writing CDR files to the remote FTP server
    • Transmission connection data via the AAA protocol1

    Management
    The following management means provides access right differentiation:

    • MML console (SSH/Telnet)
    • Web interface
    • Active registration list monitoring and editing
    • Possibility of integration with Eltex.EMS (SNMP)

    Physical parameters

    • Operating temperature - from 0 to +40°С
    • Operating humidity - no more than 80%
    • Noise level - from 44 to 60 dB
    • Power supply:
      • AC: 220 V+-20%, 50 Hz
      • DC: -48 V+30%-20%
    • Power supply options:
      • 1 AC/DC power supply;
      • 2 hot-swappable AC/DC power supplies
    • Power modules:
      • AC, power module PM160-220/12 160
      • DC, power module PM100-48/12 100 W
    • Maximum power consumption 50 W
    • Dimensions (W х H х D) - 430 х 45 х 340 mm
    • Form factor - 19", 1U
    • Weight - 5.3 kg
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