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Session Border Controllers (SBCs)

Mediant 3100 SBC

Up to 5,000 SBC Sessions/64 E1/T1

Certified for Teams Direct Routing

Hybrid SBC and Media Gateway

Mediant 3100 SBC

Hybrid SBC and media gateway for medium-to-large sized enterprises, contact centers and service providers

  • Up to 64 E1/T1 Spans
  • SBC High Availability
  • Certified for Microsoft Teams Direct Routing
  • Up to 5,000 SBC Sessions


The AudioCodes Mediant 3100 session border controller (SBC) and media gateway is a complete connectivity solution for medium-to-large sized enterprises, contact centers and service providers.

Scaling up to 5,000 concurrent SBC sessions, the Mediant 3100 connects IP-PBXs to any SIP trunking service provider and offers superior performance in connecting any SIP to SIP environment.

In addition, the Mediant 3100 supports up to 64 E1/T1 spans in a 2U platform to enable versatile connectivity between TDM and VoIP networks, such as connecting legacy TDM PBX systems to IP networks and IP-PBXs to the PSTN.

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  • True hybrid SBC and media gateway platform for gradual migration
  • Certified for Microsoft Teams Direct Routing with local media optimization
  • Proven interoperability with SIP trunks, UC platforms, PBXs and IP cloud services
  • Integrated WebRTC Gateway functionality


  • Supports up to 5,000 concurrent SBC sessions and 64 E1/T1 spans
  • Robust perimeter defense against cyber, DoS and DDoS attacks, as well as eavesdropping, fraud and service theft
  • Service resilience with local branch survivability and PSTN fallback


Max. SBC Sessions 5,000 (RTP/SRTP)
Max. Transcoding Sessions 3,072
Max. Registered Users 20,000
PSTN Interfaces 8 to 64 E1/T1
Max. Voice Channels 1,920
Ethernet 8 GE interfaces configured in 1+1 redundancy or as individual ports
Transcoding and Vocoders Coder normalization including transcoding, coder enforcement and re-prioritization, extensive vocoder support: G.711, G.723.1, G.726, G.729A/B, GSM-FR, AMR-NB/WB, Opus-NB/WB, SILK-NB/WB
Physical Dimensions 19” 2U, (HxWxD) 88mm x 438mm x 490mm
Powering Redundant Dual Feed, 100-240 V AC/9-4A, 50-60Hz or 48VDC 18A max
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