VoIP Gateway

Both support SIP and H.323 protocols: SIP Registration and Digest Authentication; H.323
Gatekeeper Registration.

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The VoIP Gateway Series VoIP Gateway is fully both SIP and H.323 standard compliant residential gateway that provides a total solution for integrating voice-data network and PSTN. By simple installation, this revolutionary compact voice over IP (VoIP) gateway could be configured as a 2 port FXS/FXO VoIP Gateway which provides voice connectivity over the IP network and to the Public Switched Telephone Network (PSTN).The ZiPEG Gateway is equipped with a four port Ethernet switch and built-in NAT router function that provides Internet access using only one IP address.
Besides, it provides high voice quality and optimized packet voice streaming over managed and public (Internet) IP networks.


Feature List

  • VoIP Key Features

    • Both support SIP and H.323 protocols: SIP Registration and Digest Authentication; H.323
      Gatekeeper Registration.
    • Single Number / Account for multiple ports.
    • Caller ID Delivery: FXS support DTMF&FSK Caller ID generation.
    • Flexible and Smart VoIP call Dialing Book: VoIP call Book could provide any application VoIP
      call to any type destination (Domain name / IP address, PSTN or PBX) or hunting number
    • AC termination Impedance : 600/900 OHM and complex impedance
    • Answer Supervision for Polarity Reversal Detection and Voice detection
    • NAT traversal: This feature allow gateway to operate behind any NAT/Firewall device. Need not to change any configuration of NAT/Firewall like setting virtual server.
    • Smart-QoS: This feature provides good voice quality when user place a VoIP call and also
      access internet at the same time. The gateway will automatically start to reserve bandwidth for
      voice traffic when VoIP call proceeds.
    • Call Hunting Facility: This function helps gateway to use the lines effectively. This facility
      automatically transfers your incoming call to a free line. Subscribers need not indicate numerous
      numbers of each port of gateway.
    • Voice channels status display: This function display each port status like as on-hook, off-hook,
      calling number called number, talk duration, codec.
    • Flash Detection and Generation Program: FXO support Flash Generation and FXS support Flash Detection.

Specification :

Telephony Specification:

  • Voice Codec: G.711(A-law /μ-law), G.729 AB, G.723 (6.3 Kbps / 5.3Kbps)
    (Note: Two different Codec can not exist at the same time)
  • Echo Cancellation: G.165/G168
  • FXO hang up detection / anti-seized : Tone Learning Automatically / Manual Tone
  • Answer supervision: Support Battery Reverse Detection and Voice Detection.
  • FXO answer delay time: Support delay 0 – 8000 ms to answer.
  • Adjustable AC Termination Impedance : 600 / 900 OHM and complex Impedance
  • Failsafe Mechanism (FXS relay to FXO) : Power failed bypass support / Internet Failed
    bypass / Registered Failed bypass / Unconditional bypass.
  • 12K Hz and 16K Hz Metering (Customized)
  • Support MWI (Message Waiting Indicator) by SIP Notify.

IP Specifications:

  • H.323 v2/v3/v4 and SIP (RFC 3261) , SDP (RFC 2327), Symmetric RTP,
    STUN (RFC3489), ENUM (RFC 2916), RTP Payload for DTMF Digits (RFC2833),
    Outbound Proxy Support.
  • LAN :Support Virtual Server, DHCP Server
  • WAN: Support PPPoE client, DHCP client, Fix IP Address, DDNS client
  • Network Address Translation: Providing build-in NAT router function.
  • Smart QoS: Guarantee the voice bandwidth
  • IP TOS (IP Precedence) / DiffServ

Call Features

  • Voice channels status display
  • Direct Dialing Mode : peer to peer call (support IP Address Call or Domain Name Call)
  • Register Call Mode : register to SIP Proxy Server or H.323 Gatekeeper
  • Adjustable volume : - 9 db ~ 9 db
  • Silence Compression / VAD
  • Auto Dial for speed
  • Dynamic Jitter Buffer
  • Hot-Line and Warm-Line Support

Configuration & Management

  • Web-based Graphical User Interface
  • Remote management over the IP Network
  • FTP firmware upgrade
  • Backup and Restore Configuration file
  • Syslog client support

General Specification

  • AC power : AC100V-240V, DC12V/1.5A,50/60 Hz
  • Temperature: 0°C ~ 40°C (Operation)
  • Humidity: up to 90% non-condensing
  • Emission: FCC Part 15 Class B, CE Mark
  • Dimension : 170 x 100 x 35 mm
  • Weight: 200
Z-IAD Model Numbe Interface
1 FxS port
1 FxS port
1 FxS, 1 FxO ports
2 FxO ports
4 FxS ports
2 FxS, 2 FxO ports
4 FxO ports



Application Graph