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Mediatrix LP24 24 FXS Analog Gateway

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07/12/2020 £1,286.70 exc. VAT
1,544.04 inc. VAT
Availability:In stock for next day delivery
Key Features
  • Carrier-grade voice quality
  • Fax over IP support, including T.38
  • Up to 24 simultaneous calls

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Mediatrix LP24 24 FXS Analog Gateway

The Mediatrix LP24 access device is a high-quality and cost efficient VoIP gateways connecting larger branch offices and multi tenant buildings to an IP network, while preserving investment in analog telephones and faxes.

They offer features such as 60Vrms ringing voltage, 2 kilometers loop distance and integrated secondary lightning protection, which allow them to connect to external phone line cables. The Mediatrix LP Series access devices allow Service Providers to deploy rapidly and economically their solutions in medium-size premises and they are the ideal solution for branch office connectivity to larger private networks.

Mediatrix LP24 Key Features

  • Carrier-grade voice quality
  • Fax over IP support, including T.38
  • Up to 24 simultaneous calls
  • Long Loop support
  • Automatic firmware and configuration file download
  • SNMP and web management
  • TFTP or HTTP auto-provisioning
  • TR-069 for massive deployments (optional feature available at purchase time)
  • Support for SNMPv3
  • Encrypted configuration files support
  • HTTP Digest authentication
  • Compliant with multiple enhanced security protocols offering a rich feature set including: SIP, MIKEY, TLS, SRTP, certificates management, and HTTPS.
  • QoS features support
  • DHCP client
  • Support for IPv6 Internet Protocol (Dgw v2.0 application)
Mediatrix LP24 - Technical Specifications


  • Mediatrix LP24: 24 analog FXS ports

IP Telephony Protocol

  • SIP – RFC3261
  • Multiple Virtual Gateways
  • Multiple SIP Proxy support via DNS SRV
  • Dual-Stack IPv4/IPv6 support using ANAT (RFC 4091)
  • OCSP (Online Certificate Status Protocol) revocation status verification for TLS links
  • ANAT grouping in the SDP
  • Media stream can be on a different network than SIP signalling
  • Call router automatic routes can have multiple SIP gateways for sources and destinations

Voice Processing

  • Vocoders: G.711 (A-law, μ-law), G.723.1a, G.726, G.729a/b
  • G.168 echo cancellation (64ms)
  • DTMF detection and generation
  • Carrier tone detection and generation
  • Silence detection / suppression and Comfort Noise Generation level software adjustable
  • Configurable dejitter buffer
  • Configurable tones (dial, ringing, busy)
  • Configurable transmit packet length
  • RTP/RTCP - RFC 1889, RFC 1890, RFC 2833, RFC 3389

Enhanced Security

  • HTTPS, for web pages and for exchange of Configuration Files.
  • SRTP with MIKEY and SDES: Supported Cypher: AES – 128 bits
  • MIKEY key management protocol (RFC 3830 and 4567).
  • SDES key management protocol (RFC 4568).
  • X.509 Certificate management.
  • TLS transport method.: Supported Key Exchange Mechanism: RSA, Diffie-Hellman, Supported Cyphers (minimum): AES (128 and 256
    bits), 3DES (168 bits)
  • User Access Levels for units Management Observer, User and Admin user access rights, with the inclusion of flexible policies on the user
    password configuration.

Fax and Modem Support

  • Group 3/Super G3 Fax real-time FoIP over clear channel (G.711), G.726 or T.38
  • T.38 Fax relay (9.6 k, 14.4 k)
  • G.711 Fax and Modem Bypass
  • T.38, fax tone detection and pass-through on G.711 and G.726


  • Web-based GUI
  • TFTP, HTTP configuration up- and download (Auto-provisioning)
  • FTP, HTTP firmware upgrade
  • SNMPv1, v2 and v3 agent (MIB II and private MIB)
  • TR-069 for massive deployments (optional feature available at purchase time)
  • Remote Services activation to purchase service licenses for deployed units, permitting to enable TR-069 feature in the field
  • TR-104 to permit large provisioning systems to communicate with CPE on private networks
  • Subscribes services for IMS: Transfer methods and real time media provisioning

Call Routing

  • Local switching
  • Interface hunt groups
  • Routing Criteria: Interface, Calling/called party number, Time of day, day of week, date
  • Number manipulation functions: Replace numbers, Add/remove digits, Multiple remote gateways, PLAR
  • Call properties manipulations
  • SIP header manipulations
  • SIP Fallback on remote destinations - Redirect SIP calls to remote SIP Endpoints using the Call Router with SIP Redirect 302 Moved Temp
  • Support of field Remote Party ID.
  • Call Router enhancement to support Privacy Header Remote-Party-ID.

Network Connection

  • 1 x 10/100 Base T Ethernet RJ-45 connector for WAN
  • 1 x 10/100 Base T Ethernet RJ-45 connector for LAN

Analog Connection

  • Mediatrix LP24: 24 x RJ-11 connectors, analog phone/fax (FXS) interfaces.

Voice Signalling

  • On Hold Session Description Protocol (SDP)
  • Compliant with MMTEL requirements for 3GPP specification 24.615 for Call Waiting requests


  • TOS/DiffSery
  • IEEE 802.1p/Q

Enhanced Telephony Features

  • Call Forward / Call Transfer / Conference Call / Call Waiting support
  • Inter-digit timer and IP dialing
  • Echo Cancellation / Dynamic Jitter Buffer / Voice

Activity Detection / Silence Suppression

  • Message Waiting Indication, via FSK
  • Flash hook event signaling
  • Caller ID Generation (Name & Number) as per
  • Bellcore DTMF or FSK
  • Call Completion (CCNR / CCBS)

Operating Environment

  • Operating temperature: 00C to 450C
  • Storage temperature: -200C to 700C
  • Humidity: up to 85%, non-condensing

Power Supply

  • AC: Standard power cord receptacle (IEC 320-C14) for universal AC input internal SMPS

Mediatrix SDK (Software Development Kit)

  • Enables developers and content authors to create rich, integrated VoIP applications for their specific requirements

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