Q-VoIP!Edge™ Q-2FXS, Q-4FXS

Proven effective, low-cost VoIP gateway for IP-based Voice and Real-Time Fax Communication

Designed and built for use in Call Shop operation

Works with Q-Regime to provide full-service for Prepaid & Post-paid Telephone Service Provision operation and International Call Termination by EcoCarrier at extremely low rates

Ideal also for use by SOHO


For use as a standalone VoIP gateway for a telephone service provision business in a Call Shop operation
  • connect individual regular analog telephones into Q-2FXS or Q-4FXS and use it to provide prepaid or post-paid Long Distance Telephone Call service to customers for 2 or 4 calls simultaneously in a Call Shop operation
  • all Long Distance Calls are automatically placed through QiiQ Q-Regime to call destination telephone numbers by the international call termination service of EcoCarrier at extremely low rates – providing the Call Shop operator with significant competitive advantage
For use in conjunction with VoIP!Edge Q-4FXO and Tenor Digital n a VoIP-based telephone service network of an enterprise
  • small offices of the enterprise and home offices of employees of the enterprise may use VoIP!Edge Q-2FXS for a low-cost way of equipping the offices for IP telephony
  • creation of a virtual private telephone network that is implemented with facility for inter-company dialing and call traffic data record and accounting that enhance the business operation of the enterprise
  • Long Distance Calls outside the enterprise's Virtual Private Telephone Network are automatically placed through QiiQ Q-Regime to call destination telephone numbers by the international call termination service of EcoCarrier at extremely low rates – providing the enterprise with significant savings in telephone communication expense

When supported by Q-Regime, the deployment VoIP!Edge Q-2FXS or Q-4FXS or any of the other VoIP!Edge VoIP gateways is highly scalable – to increase the line capacity of the VoIP service simply add more units of VoIP!Edge.

No Extra Installation Cost

if you already have

  • a LAN (Local Area Network)
  • access to the Internet, WAN (Wide Area Network) for data communication, VPN (Virtual Private Network), or Frame Relay network or Leased Line
  • access to Internet through DSL or Cable Modem
  • access to Internet through 56K modem or on an ISDN line

Identified Savings provided by VoIP!Edge Q-2FXS or Q-4FXS

  • the cost of installation of 2 or 4 telephone lines eliminated respectively
  • the monthly telephone line charge of 2 or 4 lines eliminated respectively
  • Long Distance Charges for calls on 2 or 4 lines eliminated respectively

Q4FXS Network



  • ITU-T H.323 v3 compliance or SIP (two separate versions)
  • Audiocodes' Voice Packetizing technology to ensure the best DSP-based voice quality
  • Automatic discovery of Gatekeeper on the Internet
  • Facility for selection to operate in peer-to-peer mode (in this case no Gatekeeper is needed)
  • E.164 Common Dial Plan
  • DTMF Dialing
  • DTMF detection / generation
  • TFTP/FTP software upgrade – this feature enables positive transfer of software to remote Q-2FXS or Q-4FXS for upgrading its embedded software
  • Remote configuration / reset
  • MS-NetMeeting v3.0 compatible – anyone using NetMeeting can set up a peer-to-peer VoIP communication with Q-2FXS or Q-4FXS
  • Support fixed IP address and DHCP
  • Support PPPoE for ADSL internet connection
  • Provide QOS function with TOS (Type of Services) setting – this feature lets the appropriate router to give priority treatment to the voice data traffic over the non- voice data traffic
  • Provide T.38/FAX and voice Auto-Switching – this feature enables Q-2FXS or Q-4FXS to distinguish a fax call from a voice call and send it as real-time fax to T.38 specification
  • Hot Line Service for automatic calling to a predetermined IP destination


Three easy ways for system configuration, debugging, and maintenance
  • Console port: RS-232C port
  • Web browser


  • 10/100 BaseT Ethernet RJ45 port for connection to the Hub of a LAN or cable modem or ADSL modem
  • 10/100 BaseT Ethernet RJ45 port for connection of a computer or other network device
  • Asynchronous Console RS-232C DB-9 connector for configuration of the unit to suit a specific application
  • 2 or 4 Analog (FXS) RJ-11 ports for connection with 2 or 4 regular analog telephones or the analog CO ports of a PBX
  • 12 VDC input (external 100 – 240 VAC input adaptor provided)


  • 2-wire loop start
  • Programmable AC impedance, feeding voltage, ring voltage, ring cadence, loop current, and call progress tone
  • On-hook Voltage: 48 VDC
  • Ring Voltage: 45 Vrms
  • Loop Current: Constant 23 mA


  • Codec – G.711 A/u-Law, G.723.1, G.729A (optional)
  • VAD (Voice Activity Detection), CNG (Comfort Noise Generation)
  • G.168/165-compliant adaptive echo cancellation
  • Dynamic Jitter Buffer
  • Bad Frame Interpolation
  • Voice band signaling support
  • Generate Caller ID (DTMF or FSK)
  • Provide Inbound or Outbound DTMF generation/detection between LAN and FXS interface
  • Call Transfer (H.450.2) (optional)
  • Call Forward (H.450.3) (optional)
  • Call Hold (H.450.4) (optional)
  • Gain/Attenuation Settings
  • Provide Progress Tone: Dial tone, busy tone, call-holding tone and ring-back tone


  • TEL1 to TEL2 or TEL4: LED indicator for telephone port status
  • POWER: Power ON indication
  • LAN LINK/ACT and WAN LINK/ACT: Ethernet connection status
  • LAN 10/100 and WAN 10/100: 10 or 100 Base-T status
  • STATUS: registration to Gatekeeper status
  • READY: operation status


  • Dimensions: 223 mm (W) x 35 mm (H) x 152 mm (D)
  • Weight (unit): 1.5 kg

Q4FXS front and back panels

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