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Mediatrix G7-4PRI-4FXS 4 E1/T1 + 4 FXS VoIP Analog Media Gateway

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19/07/2020 £2,603.80 exc. VAT
3,124.56 inc. VAT
Availability:In stock for next day delivery
Key Features
  • 4 PRI Interfaces, 4 FXS Ports
  • SIP termination for cloud telephony services
  • Convert ISDN signalling to SIP for SIP trunking

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Mediatrix G7-4PRI-4FXS 4 E1/T1 + 4 FXS VoIP Analog Media Gateway

The Mediatrix G7-4PRI-4FXS VoIP Analog Media Gateway is a reliable and secure VoIP Analog Adaptor and Media Gateway platform for SMBs. Featuring 4 PRI interface and 4 FXS ports; the Mediatrix G7-4PRI-4FXS provides the best solution to connect legacy equipment to cloud telephony services and IP PBX systems to PSTN landlines.

Mediatrix G7-4PRI-4FXS Key Features

  • 4 PRI Interfaces
  • 4 FXS ports
  • Connect legacy equipment in PSTN replacement/TDM replacement projects
  • Provide SIP termination for cloud telephony services
  • Convert ISDN signalling to SIP for SIP trunking
  • Convert analog signalling to SIP for Hosted Unified Communications and IP-Centrex
  • Integrate Unified Communications with legacy systems
  • Connect Skype for Business with IP/TDM trunks and legacy telephony equipment
  • Keep existing telephony equipment in SIP migrations
  • Inter-connect branch offices to headquarters
Mediatrix G7-4PRI-4FXS - Technical Specifications

Media Processing

  • G.711 (A-law and μ-law), 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

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:
  • 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
  • SMNP v1, v2c, and v3
  • 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

Quality of Service (QoS)

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

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 signaling and media

Digital Telephony

  • ISDN NI-2 (US T1 PRI)
  • ISDN DMS100 (US T1 PRI)
  • ISDN speech, audio, and data (Fax Gr 4, UDI 64, and RDI 64)
  • ECMA-143 (QSIG-BC)
  • E1 R2 digital line signalling (ITU-T Q.421)
  • E1 R2 MFC inter-register signalling (ITU-T Q.441)
  • Presets for: Brazil, Argentina, Mexico, Saudi Arabia,
  • Venezuela, Philipines, and ITU-T
  • T1/E1 E&M (Immediate, Wink-Start, Feature Group-B, and Feature Group-D), MF-R1, DTMF
  • Advice of Charge AOC-D, AOC-E (ETS 300 182)

Analog Telephony

  • Support for call forward, call transfer, conference call, call waiting, CCNR, and CCBS
  • Multiple countries presets
  • Customisable tones and ring patterns
  • Echo cancellation
  • Message Waiting Indication (MWI), via FSK
  • Caller ID detection (name & number) as per Bell-core
  • FSK
  • On-hook/off-hook caller ID generation (name &number) as per Bell-core DTMF or FSK and Telebras
  • BINA
  • Answer and disconnect signalling

Call Routing

  • Local switching
    Call filtering and blocking
    Calling/called number manipulation using regular
  • Routing Criteria:
    Calling/called party number
    Calling/called URI
    Time of day, day of week, and date
    Many others
  • 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


  • 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


  • Height: 4.4 cm
  • Width (mounting brackets): 48.5 cm
  • Depth: 19.5 cm
  • Weight: 3Kg

Physical Interfaces

  • 5 x 10/100/1000 Base-T Ethernet RJ-45 connectors
  • 2 x TDM sync RJ-45 connectors

Power Supply

  • Internal 100-240 VAC power supply

Operating Environment

  • Operating temperature: 0°C to 40°C
  • Storage temperature: -20°C to 70°C
  • Humidity: up to 85%, non-condensing

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