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Sentinel 400 SBC

The Sentinel 400 bundles the capabilities of a Session Border Controller and a Media Gateway. Robust, field-upgradable, and ready for third-party software integration, this multi-service business platform is designed to address a variety of applications including security, demarcation point, SIP normalisation, and survivability.


The Session Border Controller Mediatrix Sentinel ensures the quality of service by establishing calls through a secondary server or through the PSTN when the primary server is temporarily unavailable.

Network Demarcation

Create a clear separation between the enterprise’s and the operator’s networks by hiding the topologies and credentials, and by blocking unauthorised users.

SIP Normalisation

Mediatrix Sentinel normalises SIP signaling protocols supported by vendors into a single well-defined interface that can be adapted to any specific IMS or Softswitch implementation.

Integration with Third-Party Applications

Sentinel Session Border Controller provides an open environment for system integrators to bundle their own applications into a business-class multi-service platform, optimising CPE investment while addressing the complete solution for customer needs.



  • Facilitate TDM replacement projects, fully migrating to SIP or integrating the current legacy equipment
  • Ensure security, protection against fraud, and interoperability for SIP trunk deployments
  • Provide survivability and QoS in Hosted Unified Communications/PBX deployments
  • Interoperable with Cisco, Mitel, and Unify UC platforms


  • Safely connect branch offices and mobile workers to the enterprise PBX or UC system
  • Integrate third-party applications in a single box for niche markets
  • Perform SIP normalisation translating any vendor implementation into a single well-defined SIP interface

Access Solutions to know more about these applications.

Mediatrix devices are fully interoperable with the major telephony equipment manufacturers, softswitches, and Cloud Communications platforms across the globe, including Cisco, Mitel, Unify, Panasonic, Alcatel-Lucent Enterprise, and Metaswitch.

Let's Keep in Touch

Get in touch with our integration experts for more information.

Technical Specifications

SBC Sessions Maximum 600 sessions

  • Survivability
  • Encryption (TLS/SRTP)

Registered Users Maximum 2000

  • No extra license required

Third Party Applications Up to 2 virtual machines

  •  Yes

Voice Channels Up to 240 channels

  • Up to 8 digital E1/T1 PRI
  • Up to 28 digital ISDN BRI
  • Up to 28 analog FXS/FXO

Network Interfaces 5 x 10/100/1000 Base-T
Ethernet RJ-45

Click to access the DataSheet

Key Features

Carrier-Grade Voice Quality

T.38 and clear channel fax over IP
High performance processing of up to 250 voice channels

Easy Configuration and Management

Zero-touch configuration
Intuitive Web GUI

Robust Security

Enterprise communication encryption
SIP-enabled firewall inspects and authorises communications and prevents DoS attacks


Dual-stack IPv6 and IPv4
NAT, firewall, and router capabilities

Field Upgradability

Scalable and modular design allows adding interface cards as enterprise needs
Third-party application integration