Audiocodes M2K-D4

Audiocodes M2K-D4

SKU: 01-0181

Audiocodes M2K-D4

The Mediant 2000 VoIP Gateway is a member of AudioCodes’ family of market-ready, standards-compliant, media gateway systems. Designed for wireline, wireless, cable, and broadband access the Mediant 2000 is currently utilized by enterprise and service providers. This Media Gateway is intelligently packaged in a stackable 1U chassis and is the right-sized solution for small-scale needs. 

Incorporating AudioCodes’ leading Voice over Packet technology, the Mediant 2000 enables Network Equipment Providers (NEPs) and System Integrators (Sls) rapid time-to-market and reliable cost-effective deployment of next-generation networks. The gateway is based on VoIPerfectTM architecture, AudioCodes’ underlying best-of-breed core media gateway technology for all of its products.

Deploy Right-Sized Solution
The Mediant 2000 VolP Gateway matches the density requirements for smaller locations while meeting Network Service Providers' demands for scalability. The compact Mediant 2000 VoIP Gateway scales from 1 to 16 E1/T1/J1 spans in a 1U chassis and provides a best-of-breed mediation solution for enterprise as well as carrier locations.

Create Flexible Products and Services
The Mediant 2000 VoIP Gateway system enables NEPs and SIs to immediately address opportunities that utilize a myriad of legacy circuitswitched infrastructure features and functionalities. The Mediant 2000 can communicate with PBXs, PSTN, local IP Radio Access Networks, and centralized Mobile Switching Center (MSC) servers, enabling complete 2G and 3G enterprise solutions. 

The Mediant 2000 allows superior deployment flexibility for these solutions which include Softswitches, Cable Call Management Systems (CMS), Media Terminal Adaptors (MTAs), PacketCable solutions and Broadband Wireless Local Loop (WLL) Base Stations (WiFi, WiMax). The gateway’s open platform offers NEPs the option to add one cPCI Single Board Computer (SBC) to run complementary applications within the Mediant chassis.

This Media Gateway offers the enterprise a flexibility of out-of-the-box interoperability with numerous IP-PBX vendors, allowing PSTN functionality and connectivity, enriching VoIP applications such as Unified Communications and Contact Centers.

Benefit from Extensive Gateway Experience
AudioCodes is one of the world’s leading providers of packet-enabled new voice infrastructure network technologies. AudioCodes’ commitment to innovation yields consistently high-quality voice processing products that are flexible, intelligent and comprehensive.


  • Deliver competitive, complete, best-of-breed media gateway functionality featuring highest voice quality
  • Meet the demands of converged, wireless, wireline, cable broadband access and fixed-mobile converged VoIP networks from a single media gateway platform
  • Increase flexibility with a media gateway that supports a wide variety of call control protocols and scales down to meet the demand of enterprises and small carrier POPs
  • Integrate 3G and 2G packet-enabled media gateway functionality into an end-to-end system solution
  • Meet the needs for VoIP Trunking, IP Centrex, and VoIP Access Gateway markets with a right-sized and cost-effective media gateway
  • Deploy globally with a rich offering of PSTN interfaces and signaling
  • React quickly to dynamic market requirements
  • Tech Specs

    Audiocodes M2K-D4 Specifications


    VoIP LBRs: Up to 30, 60, 120, 240 or 480 independent, simultaneous Wireline LBR VoIP voice calls
    GSM/UMTS: Up to 60, 120, 240 or 480 independent, simultaneous GSM/UMTS and Wireline LBR VoIP voice calls
    CDMA: Up to 24, 48, 96, 180 or 360 independent, simultaneous CDMA & Wireline LBR VoIP voice calls

    PSTN (TDM) 
    1, 2, 4, 8 or 16 E1/T1/J1 spans

    Voice Coders 
    VoIP: G.711, G.723.1, G.726/7, G.729A/B, GSM-FR, NetCoder
    CABLE: G.711, G.723.1, G.726/7, G.729A/B, G.7281, G.729E1
    GSM/UMTS: GSM-FR, GSM-EFR, AMR (8 rates) & VoIP Coders
    CDMA: EVRC, QCELP 8k, QCELP 13k & VoIP Coders
    Independent dynamic vocoder selection per channel (within each group)

    Echo Cancellation 
    G.165 and G.168 compliant, 32, 64 or 1281 msec tail length

    Fax Support 
    T.38 (IP) compliant Group 3 fax relay and fax bypass ( automatic fallback to G.711) support

    Packet side or PSTN side detection and generation, RFC 2833 compliant

    Quality Enhancement 
    Dynamic programmable jitter buffer, VAD, CNG, 802.1p/Q VLAN tagging, DiffServ, voice quality monitoring, G.729B

    Signaling & Transport

    CAS - MF-R1: Wink Start, delay dial, immediate start, FGB, FGD, E911 CAMA MFC/R2 numerous country variants Unique script for each country variant, enabling maximum flexibility of the entire state machine of each CAS protocol
    ISDN - ISDN PRI: ETSI EURO ISDN, ANSI N12, DMS Switch, 5ESS Switch, Japan INS1500, QSIG supplementary services, Australian Telecom, New Zealand Telecom, Hong Kong Variant, Korean MIC and others, VN 3, 4, 6 (French variant)

    M3UA/M2UA/IUA/DUA adaptation layers (over SCTP)
    SS7 and TDM Tunneling application (peer-to-peer tunneling)
    SS7 MTP3 point code sharing

    IP Transport 
    IETF RFC 3550, RFC 3551 RTP/RTCP Transport, TCP, UDP, SCTP

    Media Gateway Control & Management

    Control Protocols 
    SIP, H.323, MEGACO (H.248), and MGCP AudioCodes' extensive TPNCP API over IP

    TPNCP API Supported OS 
    - Windows™ NT, 2000, XP 
    - Linux™ 
    - Solaris™ on Intel™/Sparc™

    Operations Management 
    User friendly GUI via Embedded Web Server, Centralized Element Management System, SNMP v3, Remote configuration and software download via TFTP & Boot, HTTP, Syslog Telnet (for CLI)

    - IPSEC1 – for control protocols and for Management Interfaces
    - HTTPS 
    - SRTP 
    - TLS, Telnet SSL, IP access list, Radius Login


    Dual Redundant 10/100 BASE-T Ethernet ports via 2 RJ-45 connectors on RTM

    Telephony Interface 
    16 E1/T1/J1 using dual 50-pin Telco connectors on RTM or up to 8 E1/T1/J1 spans using RJ-48c connectors

    Hardware Specifications

    Power Supply
    Single universal 90-260 V AC or dual-redundant AC or single -48 V DC

    1U high, 19-inch wide rack mount

    Regulatory Compliance

    Telecommunication: FCC part 68
    Standards: TBR4 and TBR13

    Safety and EMC UL60950, FCC part 15 Class A, CE Mark (EN55022 Class A, EN60950, EN55024,
    Standards EN300 386)

    Environmental NEBS Level 3: GR - 63-Core (DC-powered model), GR -1089-Core Type 1 & 3, ETS300 019