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Dinstar Session Border Controller Supports 20 SIP Sessions and 20 transcoding Sessions



The Dinstar SBC300 provides rich SIP-based services such as safe network access, robust security, system interworking, flexible session routing & policy management, QoS, media transcoding and media processing for small-and-medium telecommunication operators. With distributed multi-core processor, rear panel for non-blocking gigabit switching data network, embedded Linux operating system, SBC300 delivers high capability while achieves low power dissipation.

It supports 20 concurrent SIP sessions and transcodes up to 20 concurrent calls, and allows encrypted sessions via TLS and SRTP. The session border controller supports transcoding of G.729, G.723, G.711, G.726, iLBC, AMR and OPUS. Besides, it also supports WebRTC, allowing desktop and mobile browsers to initiate and receive calls to/from your SIP service over websocket and WebRTC completely transparently.

Key Features

  • Supports up to 20 SIP sessions and 20 transcoding sessions
  • Support WebRTC2SIP to turn WebRTC client into a phone with audio capability
  • SIP trunks & flexible routing rules for accessing IMS
  • Embedded VoIP firewall, prevention of DoS and DDoS attacks
  • Bandwidth limitation and dynamic white list & black list
  • QoS, static route, NAT traversal
  • Import & export of remote upgrade and configuration data
  • User-friendly web interface, multiple management ways


  • 227×147×39mm


  • 1.5kg

Technical Description

  • Physical Interfaces
    • Ethernet Ports
      • 4x 10/100/1000M Base-T Ethernet ports
      • 1x 10/100/1000M Base-T (Admin)
      • 1x USB
      • 1x TF Card Slot
    • Serial Console
      • 1x RS232, 115200bps, RJ45
    • Media Capabilities
      • Voice, FAX support
      • Codecs: G.729, G.723, G.711,
      • iLBC,AMR, OPUS
      • RTP Transcoding
      • Pass-through fax
      • No RTP detection
      • One-way audio detection
      • RTCP statistics reports
      • DTMF: RFC2833, SIP Info, INBAND
      • Silence Suppression
      • Comfort Noise
      • Voice Activity Detection
      • Echo Cancellation
      • Adaptive Dynamic Buffer
    • Capabilities
      • Concurrent Calls
        • Supports up to 50 SIP sessions
      • Transcoding
        • Supports up to 50 transcoding calls
      • Registrations
        • Maximum SIP registrations: 1000
      • CPS for Registration
        • 20 Registration per second
      • SIP Trunks
        • Unlimited SIP Trunks
    • Security
      • Prevention of DoS and DDoS attacks
      • Control of Access Policies
      • Policy-based anti-attacks
      • Call Security with TLS,SRTP
      • White List & Black List
      • Access Rule List
      • Embedded VoIP Firewall
    • Call Control
      • Dynamic load balancing and call routing
      • Flexible Routing Engine
      • Call routing base on prefixes
      • Call routing base on caller /
      • called number regular express
      • Call routing base on time profile
      • Call routing base on SIP URI
      • Call routing base on SIP method
      • Call routing base on endpoint
      • Caller/ Called number Manipulation
    • VoIP
      • SIP 2.0 compliant, UDP, TCP, TLS
      • SIP trunk (Peer to peer)
      • SIP trunk (Access)
      • SIP Registrations
      • B2BUA (Back-to-Back User Agent)
      • SIP Request rate limiting
      • SIP registration rate limiting
      • SIP registration scan attack detection
      • SIP call scan attack detection
      • SIP anti-attack
      • SIP Header manipulation
      • SIP malformed packet protection
      • Multiple Soft-switches supported
      • QoS (ToS, DSCP)
      • NAT Traversal
    • Maintenance
      • Web-bases GUI for Configurations
      • Configuration Restore/Backup
      • HTTP Firmware Upgrade
      • CDR Report and Export
      • Ping and Tracert
      • Network Capture
      • System log
      • Statistics and Reports
      • Multiple language support
      • Centralized management system
      • Remote Web and Telnet
  • Physical Features
    • Power Supply:
      • DC 12V
      • Power Consumption: 10W
    • Temperature
      • Operating Temperature: 0 °C ~ 45 °C
      • Storage Temperature: -20 °C ~ 80 °C
      • Humidity: 10% - 90% Non-Condensing

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