MX120 Access Gateway

MX 120 Access Gateway Details

Suitable for carrier and medium-enterprise VoIP/FoIP deployment, the MX120 Access Getaway offers a maximum capacity of 96 FXS lines and/or FXO lines and up to 96 concurrent calls expanded in modular increments as follows:

  • 1U or 2U chassis supporting up to 48 or 96 lines
  • 24, 48, 72, or 96 concurrent calls (based on DSP cards)
  • FXS/FXO combinations as below:
Model FXS Ports FXO Ports
MX120-72S 72 0
MX120-96S 96 0
MX120-72FX 0 72
MX120-96FXO 0 96
MX120-64S/8 64 8
MX120-88S/8 88 8
MX120-60S/12 60 12

These are only 7 examples out of the dozens of combinations.

Intelligent and Rich in Features

The MX120 Access Gateway, based on the embedded-Linux operating system, supports both SIP and MGCP. Its rich PBX-like features makes the MX120 suitable as a hosted-PBX access terminal, e.g. call transfer, call pick-up, conference, caller ID, fashion ring, fork ring, fax, Radius call record, 500 routing rules, number translation, PSTN line fail-over on power failure or network interruption. This makes MX120 suitable for a wide variety of applications.

Easy-to-Operate and Maintain

The MX120 Access Gateway provides a Web-based management GUI, allowing the user to configure parameters, upgrade firmware, import and export configuration data, and monitor status. The MX120 also supports remote management standards, such as Option 66 auto-provisioning, Telnet, TFTP, SNMPv2, TR069, TR104 and TR106.


The MX120 Access Gateway has completed interoperability tests with many soft-switches and IP-PBXs from worldwide vendors, including Microsoft (OCS/Lync/Skype for Business), Cisco (CallManager), Nortel (CS1000), and softswitchs from Huawei, ZTE, and Ericson, among others.


Support in the EU and Western Hemisphere is provided by NetGen Communications; New Rock Technologies provides support elsewhere.

System Features

Ports per system: 24-96
FXO/FXS line Line Configuration: Any combination of 4-line increments
Standards: G.711, G.729A, G.723.1, GSM, iLBC
Echo cancellation: G.168, 64ms echo tail
Dynamic jitter buffer: Voice Activity Detection (VAD)
Packet-loss concealment QoS: IP TOS
Calling type: Voice/FAX/Data
IVR voice prompt: Prompt on 2nd stage dialing, Prompt on busy
Encryption Support: Many types of signaling and/or voice encryption
Call handling: User configurable dialing plan, up to 500 routing rules
Fax Processing: G.711 pass-through, T.38 Fax Relay
DTMF: RFC 2833, SIP INFO, Transparent audio
Billing RADIUS Interface: Polarity Reverse
User Features: Caller ID, Call forward, Call transfer, Call fork, Hot line, Fashion ring, No disturbing, Speed dialing

Network Functions

Security: IP address screening
NAT: Static, Dynamic, STUN
Protocol: PPPoE, DHCP, DNS, DDNS, 802.1p, TFTP, Telnet


WEB GUI Configuration: Configuration, Firmware upgrade, System monitoring
EMS Remote configuration: Upgrade, Alarming, Traffic & Statistic report
Auto Provisioning Auto configure/upgrade: Provision server discover, TFTP, FTP, HTTP

Protocol and Standard

Protocol URFC3261 & supplementary, RFC3435, 3GPP TS 24.228, TS 24.229
Standard Caller ID (FSK/DTMF): Call progress tone plan (embed 19 countries tone plans, support under defined tone plan)


Central Processor: FREESCALE, PowerQUICC, MPC8247
Digital Signal Processor: TI, TMS320VC5509A
System memory: 64MB/128MB
Flash Memory: 8MB/16MB
LED Power: System status, Network status, Line status
Ethernet Connector: RJ-45, 10/100 Base-T, Automatic cross-over
FXO/FXS Connector: RJ-45 (4 line pairs follow T568B scheme)
Max. User Line Length: 1500 meters
Ring Equivalent Value: Many types of signaling and/or voice encryption
Power Supply: 100~240V AC, 50/60 Hz, 1A max
Power Consumption: 125W max
Dimension (H x W x D): 44 x 440 x 300 mm (1U) 88 x 440 x 300 mm (2U)
Weight: (1U) Net weight: 4.0Kg; Gross weight (include package): 6.4Kg *
Weight (2U) Net weight: 6.1Kg; Gross weight (include package): 9.8Kg *

Environmental Requirements

Operating Temperature: 0~40 ℃; Humidity: 10%~90% (non conducing)
Non Operating Temperature: -10~60 ℃; Humidity: 5%~90% ( non conducing )

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