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Dinstar SBC300-20 Supports 20 SIP Sessions and 20 transcoding Sessions



Supports 20 SIP sessions and 20 transcoding sessions.

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 50 concurrent SIP sessions and transcodes up to 50 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.

Physical interface

  • Ethernet Ports:
  • 4* 10/100/1000M Base-T
  • 1* 10/100/1000M Base-T (Admin)
  • 1* USB
  • 1* TF Card Slot
  • Serial Console:
  • 1* RS232, 115200bps, RJ45


  • 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


  • 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

More Information