WellGate 3701B / 3702B (FXS+FXO)
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Introduction

WellGate 3701B/3702B is a one-port/two-port FXS + FXO gateway and support
H.323 v2/v3/v4 or SIP RFC 3261 protocol. It supports an innovative intelligent
call routing function that transparently routes calls to destination either through
PSTN or internet. WellGate 3701B/3702B provides Voice over IP and FAX over IP
services for ITSP / ISP (Internet Telephony Services Provider) and Office/SOHO
IP-PBX application. 


 

Benefits

  • Easy access to IP from phone set or PBX

  • Cost Saving - Telephone call from VPN or public Internet

  • Follows the existing telephone call dial plan

  • Easy interface to ADSL/Cable Modem or 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
  • Automatically FAX
    detection
  • Group 3 Fax relay at
    2.4 - 14.4 kbps
  • Support T.38 protocol
  • Support T.38 ECM:
    Error correction during
    the high speed mode
  • Support T.38 FAX
    Redundancy Depth
  • Support Abstract
    Syntax Notation 1
    (ASN.1)
  • G.711 FAX Mode
  • Automatically FAX
    detection
  • Group 3 Fax relay at
    2.4 - 14.4 kbps
  • Support T.38 protocol
  • Support T.38 ECM:
    Error correction during
    the high speed mode
  • Support T.38 FAX
    Redundancy Depth
  • Support Abstract
    Syntax Notation 1
    (ASN.1)
  • G.711 FAX Mode
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
FXS Interface
  • One Telephone (FXS)
    RJ-11 port for
    WellGate 3701B
  • Two Telephone (FXS)
    RJ-11 ports for
    WellGate 3702B 
  • One Telephone (FXS)
    RJ-11 port for
    WellGate 3701B
  • Two Telephone (FXS)
    RJ-11 ports for
    WellGate 3702B
FXO Interface
  • One Analog PSTN
    (FXO) RJ-11 port for
    WellGate 3701B
  • Two Analog PSTN
    (FXO) RJ-11 ports for
    WellGate 3702B
  • One Analog PSTN
    (FXO) RJ-11 port for
    WellGate 3701B
  • Two Analog PSTN
    (FXO) RJ-11 ports for
    WellGate 3702B
FXS Features
  • Support auto-
    attendant (Tone or
    voice greeting)
  • PSTN polarity reversal
    detection
  • Provide 2nd dial tone
    to PSTN
  • Disconnect tone
    detection
  • Support auto-
    attendant (Tone or
    voice greeting)
  • PSTN polarity reversal
    detection
  • Provide 2nd dial tone
    to PSTN
  • Disconnect tone
    detection
FXO Features
  • Support auto-
    attendant (Tone or
    voice greeting)
  • PSTN polarity reversal
    detection
  • Provide 2nd dial tone
    to PSTN
  • Disconnect tone
    detection
  • Support auto-
    attendant (Tone or
    voice greeting)
  • PSTN polarity reversal
    detection
  • Provide 2nd dial tone
    to PSTN
  • Disconnect tone
    detection
Voice
  • VAD (Voice Activity
    Detection)
  • CNG (Comfort Noise
    Generation)
  • AEC (Acoustic Echo
    Cancellation) --
    G.168/165
  • Dynamic Jitter Buffer
  • Completed voice band
    signaling support
  • Provide In-band or
    Out-band DTMF
    generation/detection
  • VAD (Voice Activity
    Detection)
  • CNG (Comfort Noise
    Generation)
  • AEC (Acoustic Echo
    Cancellation) --
    G.168/165
  • Dynamic Jitter Buffer
  • Completed voice band
    signaling support
  • Provide In-band or
    Out-band DTMF
    generation/detection
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
  • FSK(Bellcore)/DTMF
    detection and
    generation
  • FSK(Bellcore)/DTMF
    detection and
    generation
Console Port
  • 1 D-SUB 9 pin RS-232
    port
  • 1 D-SUB 9 pin RS-232
    port
Tone
  • Provide call progress
    tone
  • Provide call progress
    tone
Network Support
  • Support Fixed IP and
    DHCP
  • PPPoE
  • Behind NAT Router or
    IP sharing device
  • Support Fixed IP and
    DHCP
  • PPPoE
  • Behind NAT Router or
    IP sharing device
Configuration &
management
  • Console port, TELNET
    and Web Browser
    configuration
  • Console port, TELNET
    and Web Browser
    configuration
System Upgrade
  • TFTP/FTP software
    upgrade
  • TFTP/FTP software
    upgrade
Power
  • Input AC 100V~240V
    Output DC12V
  • Input AC 100V~240V
    Output DC12V
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:
    223mm(W) x
    35mm(H) x 152mm(D)
  • Weight (unit): 1.4 kg
  • Dimension:
    223mm(W) x
    35mm(H) x 152mm(D)
  • Weight (unit): 1.4 kg

Copyright © 2005. Welltech Computer Co., Ltd. All Rights Reserved.