M4K12 - M4K12 Mediant 4000 Enterprise SBC - AudioCodes - Includes a pair of M4K chassis each with dual power supplies, 250 sessions supporting SW upgrade up to 4000 ESBC sessions - M4K12, M4000, Mediant 4000
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M4K12 Mediant 4000 Enterprise SBC

Includes a pair of M4K chassis each with dual power supplies, 250 sessions supporting SW upgrade up to 4000 ESBC sessions

Our Price:
Manufacturer: AudioCodes
Part Number: M4K12

The Mediant 4000 Enterprise Session Border Controller (E-SBC) provides large enterprises and contact centers secured and reliable connectivity to SIP Trunks and hosted services, supporting up to 4,000 concurrent sessions per device.

By deploying the Mediant 4000 E-SBC at their large offices and data centers, enterprises benefit from seamless interconnection between their own IP-PBXs, unified communications systems or contact centers and multiple SIP trunking providers, while maintaining high VoIPquality and protecting their network from malicious or fraudulent security threats.

The highly scalable platform of the Mediant 4000 E-SBC offers advanced resiliency by supporting active-standby High Availability and connectivity to multiple SIP service nodes. In hosted environments the Mediant 4000 E-SBC provides local survivability in case of WAN failure or a service outage. Along with AudioCodes Session Experience Manager (SEM), the Mediant 4000 E-SBC gives enterprises a complete view of their network’s voice quality.


  • SIP trunking connectivity for large offices
  • IP Contact Center connectivity
  • Hosted UC applications
  • Remote and mobile workers support
  • Connection to multiple service providers
  • SIP mediation between UC and IP-PBX systems

Main Features

  • Large scalable capacity - up to 4000 SBC sessions and 8000 registered users
  • Enhanced security - enterprise perimeter defense against VoIP Denial Of Service, Fraud and Eavesdropping
  • Wide interoperability – tested with IP-PBXs, UC systems, Contact Centers and SIP Trunking providers
  • High Availability - 1:1 active/standby configuration
  • Local branch survivability - during WAN failure and service outage
  • Advanced media processing - including transcoding and wideband speech
  • Voice quality monitoring and enforcement, along with Session Experience Manager (SEM)

Product also known as:

Mediant 4000, M4K12, M4000

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