MX Gateways Overview

New Rock Technologies’ MX gateways offer the telecom channel and service provider unprecedented functionality and functional flexibility, performance, and value to solve application problems for their customers. Functionality means all the voice, fax, network, configuration, security, and maintenance features you now expect from a world-class gateway. Unprecedented functional flexibility means a combination of station and office trunks from two-to-120 ports to meet any application requirement involving on-premises systems and endpoints, and it’s in-channel configurable, minimizing inventory cost. There is even a quad-E/T MX for higher-end enterprise and service-provider applications. Performance also means the MX includes NetGen’s Smart FoIP® to virtually eliminate FoIP trouble tickets. And MX value? That means you get all of this at unheard-of low prices.

In testing with Commetrex, NetGen Communications, Inc. has found that significant practical problems with SIP negotiations for FoIP calls exist in carrier-based networks. After much testing and analysis, we have developed Smart FoIP, which improves the reliability of fax-session establishment for media servers, ATAs, and access gateways, such as the MX-8, which is the first member of the MX Series to get Smart FoIP. The technology increases the likelihood of a session remaining in G.711 fax pass-through mode, so it also includes a major technology advance that eliminates PCM-clock synchronization problems, which are responsible for a large percentage of G.711 pass-through fax failures.

MX series VoIP gateways are designed for multi-purposes applications, Providing 2 to 96 FXS and/or FXO ports. MX gateways are typically used to connect ATAs, PBXs or key systems to the converged IP network. For example, a legacy PBX may be replaced by a Cisco Call Manager. The user’s investment in voice stations can be protected by placing an MX gateway in each branch office, as shown in the figure below. With flexible hardware configurations and rich features, MX gateways are an ideal component in many premises- and provider-based applications.





  • IP-PSTN peering with 4-120 FXO ports (POTS or ISDN), or
  • PSTN failover with FXO ports
  • Compatible with SIP-based NGN/IMS servers from Huawei, ZTE, Ericson, Asterisk, and many others
  • Compliant with 3GPP IMS specifications
  • Support TR069, auto-provisioning and local and remote Web management, plus Option 66
  • 500 routing rules
  • CPU + DSP architecture (MX60/100/120) delivers robust processing power
  • Dozens of models to select from 4 to 96 ports
  • PBX-like feature set

High-Quality Gateway With Unbeatable

The design of the MX Series applies higher-quality standards to meet the expectation of enterprise and carrier customers. The on-board lightening protection circuitry, CPU+DSP architecture, and less than 0.5% DOA are just a few things that separate the MX from the competition.

High performance

MX can process 120 simultaneous VoIP/FoIP calls, and supports G.711, G.729A, G.723, G.168 echo cancellation, RFC2833 and SIP INFO for DTMF transmission, and T.38 fax relay.

Easy to Operate and Maintain

MX provides a Web-based management GUI, allowing users to configure parameters, upgrade firmware, import and export configuration data, monitor status, and diagnose problems. MX supports remote-configuration and management standards, such as HTTP Option 66, auto-provisioning, Telnet, TFTP, SNMPv2, TR069, TR104 and TR106.

High interoperability

MX has passed interoperability tests with many softswitches and IP-PBXs, including IP-PBX from Microsoft (Lync), Cisco (CallManager), Nortel (CS1000), Huawei, ZTE, Ericson, and others.

Key Features:

Call transfer, call pick up, 3-way conference, caller ID, T.38 fax relay, flexible call routing, number translation, PSTN failover, call forwarding, call forking, hot line, color ring-back tone, intercom, do not disturb, speed dialing, polarity-reversal detection, busy-tone detection, message-waiting indicator, call-progress tone detection, remote management, auto provisioning, voice announcement, 2nd-stage dialing, NAT traversal.

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