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Mediatrix 4401 1 BRI port VoIP Gateway

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Key Features
  • 2 x 10/100 Base-T Ethernet RJ-45
  • T.38 and clear channel fax over IP
  • Multiple codec support

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Please Note: This product has been discontinued. Please see the VoIP Gateways Category for alternative products.

Mediatrix 4401 1 BRI Port VoIP Gateway

The Mediatrix 4401 1 BRI Port VoIP Gateway that can connect legacy PBX systems to cloud telephony services and IP PBX systems to PSTN landlines. The Mediatrix 4400 Series allows you to take advantage of the benefits of SIP-based systems, while protecting the investment made in the existing telephony equipment. Mediatrix gateways are fully certified with Broadsoft soft switches and compatible with Skype for Business.


  • 1 BRI port
  • 2 x 10/100 Base-T Ethernet RJ-45
  • T.38 and clear channel fax over IP
  • Multiple codec support
  • Multiple LEDs for status indication at a glance
  • 1 to 4 ISDN BRI ports software configurable as NT or TE
  • Up to 8 simultaneous calls
  • 2 Ethernet ports
  • Deep packet inspection firewall with DoS protection
  • Dual-stack IPv6 and IPv4
  • NAT, firewall, and router capabilities

    Comparison Table

VoIP Call Capacity
Mediatrix 4401/4401plus 1 BRI port Up to 2
Mediatrix 4402/4402plus 2 BRI ports Up to 4
Mediatrix 4404/4404plus 4 BRI ports Up to 8

Note that plus versions e.g 4401plus are Power over Ethernet (PoE).

Mediatrix 4401 - Technical Specifications




  • 1 port BRI
  • 2 ports ETH

Media Processing

  • G.711 (A-law and µ-law), G.723.1a, G.726, and G.729a/b
  • G.168 echo cancellation
  • DTMF detection and generation
  • Carrier tone detection and generation
  • Silence detection/suppression and comfort noise
  • Configurable de-jitter buffer and packet length

IP Telephony Protocol

  • SIP (RFC 3261) over UDP, TCP, and TLS
  • IMS (3GPP TS 24.229)
  • RTP (RFC 3550)
  • SDP (RFC 4566)
  • Multi-part body support
  • Redundancy support via DNS SRV
  • Multiple trunk support
  • IPv4 and IPv6 dual stack signalling and media

Digital Telephony

  • ISDN speech, audio, and data (Fax Gr 4, UDI 64, and RDI 64)
  • ECMA-143 (QSIG-BC)
  • Advice of Charge AOC-D and AOC-E (ETS 300 182)
  • Power feeding for BRI phones (model dependent)

Call Routing

  • Local switching
  • Call filtering and blocking
  • Calling/called number manipulation using regular expressions
  • Routing criteria:
    • Interface
    • Calling/called party number
    • Calling/called URI
    • Time of day, day of week, and date
  • Mapping and transformation of call properties to/ from SIP headers
  • Hunt groups

Fax and Modem Support

  • Group 3/super G3 fax real-time fax over IP
  • T.38 fax relay (9.6 k and 14.4 k)
  • Clear channel (G.711) fax and modem pass-through

Enhanced Security

  • Denial of Service (DoS) protection
  • SIP over TLS
  • SRTP with AES cipher – 128 bits
  • MIKEY key management protocol (RFC 3830 and 4567)
  • SDES key management protocol (RFC 4568)
  • TLS-encrypted configuration and management
  • X.509 certificate management
  • OCSP (Online Certificate Status Protocol) revocation status verification
  • Supported TLS key exchange mechanism
    • RSA
    • Diffie-Hellman
  • Supported TLS ciphers (minimum):
  • AES (128 and 256 bits)
  • 3DES (168 bits)


  • Zero-touch provisioning
  • TR-069, TR-104, and TR-111
  • Web GUI
  • SSH and TELNET
  • Scripts/firmware files uploaded via HTTP, HTTPS, FTP, and TFTP
  • Multiple levels of managing access rights
  • Customisable CDR
  • Event notifications via Syslog, SIP, log file, and SNMP traps
  • Remote activation of service licenses

Monitoring and Troubleshooting

  • Alarms and traps
  • Call Details Record (CDR)
  • Media quality statistics
  • System: CPU and memory usage
  • PCM capture
  • IP network capture
  • Diagnostic Traces


  • IPv4 – IPv6
  • Multiple IP addresses per link or VLAN
    Multiple VLANs per link
    DHCP client
  • PPPoE (RFC 2516)
    IEEE 802.1q + DSCP QoS tagging (media, signaling,
    and mgmt)
  • IEEE 802.1x wired authentication
  • LLDP-med (ANSI/TIA-1057)
  • QoS traffic shaping
    Firewall with stateful inspection, rate-limitation, and
    automatic black-listing
    Static routing
  • NAPT
  • DHCP Server

Quality of Service (QoS)

  • Bandwidth limitation and traffic shaping
  • TOS/DiffServ
  • IEEE 802.1p/Q
  • RTCP-XR – special order

Physical Interfaces

  • 2 x 10/100 Base-T Ethernet RJ-45 connectors

Operating Environment

  • Operating temperature: 0ºC to 45ºC
  • Storage temperature: -20ºC to 70ºC
  • Humidity: up to 85%, non-condensing

Power Supply

  • External 100-240 VAC power supply


  • Height: 4.9 cm (1.9 in.) approx.
  • Width: 22 cm (8.7 in.) approx.
  • Depth: 17.6 cm (6.9 in.) approx.
  • Weight: 545 g (0.75 lb.) approx.

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