1. WellGate 3802A/3804A

  • 2/4-ports VoIP Gateway

WellGate 3802A/3804A is a two/four-FXO-port Gateway, which represents an interface to access PSTN and provides voice and fax over IP services. By connecting with ADSL or cable Modem, WellGate 3802A/3804A provides saving in network infrastructure and greatly reduced telephone charges. With H.323 v2/v3/v4 or SIP protocol, Welltech create ideal solution for providing low cost communications between headquarters and branch offices in the world, as well as for SOHO and office telephony applications.


Benefits

  • Easy access to PSTN from IP
  • Cost saving - save long and international call expense by using IP network. 
  • No extra investment - just take advantage of existing Ethernet LAN and IP environment.
  • Easy interface with Cable Modem, ADSL Modem and Leased Line 
    equipment
  • Easy Integrated with all kinds of IP-PBXs

Specification

H.323 Version

SIP version

Protocol
  • ITU-T H.323 v2/v3/v4
    compliance
  • SIP RFC 3261
Compatible Server
  • GnuGK (Behind NAT)
  • OpenSER Asterisk
Telephony Features
  • Call Hold, Call
    Transfer, Call Forward
    (H.450)
  • Call Hold
  • Call Transfer
  • Call Forward
FAX support
  • Provide T.38/FAX and
    voice Auto-Switching
  • Provide T.38/FAX and
    voice Auto-Switching
Audio Codec support
  • G.711A/μ-law,
    G.723.1, G.729A,
    G.729, G.729B,
    G.729AB
  • G.711A/μ-law,
    G.723.1, G.729A,
    G.729, G.729B,
    G.729AB
Network Interface
  • Two 10/100Base-T
    Ethernet RJ-45 port
  • Two 10/100Base-T
    Ethernet RJ-45 port
FXO Interface
  • Two Analog PSTN
    (FXO) RJ-11 port for
    WellGate 3802A
  • Four Analog PSTN
    (FXO) RJ-11 port for
    WellGate 3804A
  • Two Analog PSTN
    (FXO) RJ-11 port for
    WellGate 3802A
  • Four Analog PSTN
    (FXO) RJ-11 port for
    WellGate 3804A
Voice Quality
  • VAD (Voice Activity
    Detection)
  • CNG (Comfort Noise
    Generation)
  • G.168/165-compliant
    adaptive echo
    cancellation 
  • Dynamic Jitter Buffer
  • Bad Frame
    Interpolation
  • Completed voice band
    signaling support
  • Receive Caller ID
    (DTMF or FSK) from
    PSTN
  • Provide Inbound or
    Outbound DTMF
    generation/detection
    between LAN and
    PSTN interface
  • Gain/Attenuation
    Settings
  • VAD (Voice Activity
    Detection)
  • CNG (Comfort Noise
    Generation)
  • G.168/165-compliant
    adaptive echo
    cancellation 
  • Dynamic Jitter Buffer
  • Bad Frame
    Interpolation
  • Completed voice band
    signaling support
  • Receive Caller ID
    (DTMF or FSK) from
    PSTN
  • PSTN Current Loop
    Break (CPC) detection
    to release FXO port
  • Provide Inbound or
    Outbound DTMF
    generation/detection
    between LAN and
    PSTN interface
  • Gain/Attenuation
    Settings
QoS
  • QOS by setting DSCP
    (Differentiated Service
    Code Point)
    parameters of VoIP
    packet
  • QOS by setting DSCP
    (Differentiated Service
    Code Point)
    parameters of VoIP
    packet
Caller ID
  • Caller ID (FSK)
    detection
  • Caller ID (FSK)
    detection
Console
  • Asynchronous Console
    RS-232C DB-9
    connector
  • Asynchronous Console
    RS-232C DB-9
    connector
Tone
  • DTMF
    detection/generation
  • DTMF Dialing
  • Support auto-
    attendant (tone or
    voice greeting)
  • Provide 2nd dial tone
    to PSTN
  • DTMF
    detection/generation
  • DTMF Dialing
  • Support auto-
    attendant (tone or
    voice greeting)
  • Provide 2nd dial tone
    to PSTN
Network Support
  • Fixed IP and DHCP
  • PPPoE
  • Behind NAT Router or
    IP sharing device
  • Fixed IP and DHCP
  • PPPoE
  • Behind NAT Router or
    IP sharing device
Configuration &
management
  • Console port, TELNET,
    Welltech Installation
    Wizard and Web
    Browser
  • Console port, TELNET,
    Welltech Installation
    Wizard and Web
    Browser
Upgrade
  • Firmware upgrade
    through network by
    TFTP/FTP
  • Firmware upgrade
    through network by
    TFTP/FTP
Power
  • Input AC 110V~240V
    Output DC 12V
  • Input AC 110V~240V
    Output DC 12V
Certification

For WellGate 3802/3804A

  • CE Class B, LVD

For WellGate 3802/3804A

  • CE Class B, LVD
Operation Temp
  • 5° C to 40° C
  • 5° C to 40° C
Humidity
  • 10% to 90% (Non-
    condensing)
  • 10% to 90% (Non-
    condensing)
Dimension and Weight
  • Dimension:
    221*35*145(W*H*D)
  • Weight (unit): 1.4 kg
  • Dimension:
    221*35*145(W*H*D)
  • Weight (unit): 1.4 kg

 

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