WellGate 3504A FXS is a four-port telephone extension to IP network gateway and support H.323 v2/v3/v4 or SIP RFC 3261protocol. It provides telephone services and T.38 fax over IP network with easily operation and configuration for ITSP / ISP (Internet Telephony Services Provider) and Office / SOHO IP-PBX application. |
Benefits:
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Easy access to IP from phone set or PBX
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Cost Saving - Telephone call from VPN or public Internet
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Follows the existing telephone call dial plan
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Easy interface to ADSL/Cable Modem or Leased line equipment
Specifications:
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Protocol |
- ITU-T H.323 v2/v3/v4 compliance
- SIP RFC3261
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Supplementary service |
- H.450 (Call Hold, Call Transfer, Call forward)
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FAX support |
- Automatically FAX detection
- T.38 G3 FAX
- Group 3 Fax relay at 2.4 - 14.4 kbps
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Codec |
- G.711A/м -law, G.723.1, G.729A, G.729
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Network Interface |
- 10/100BaseT Ethernet RJ-45 port x 2
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FXS Interface |
- RJ-11 Telephone port (FXS) x 4
- 2-wire loop start
- Programmable AC impedance, Feeding voltage, Ring Voltage, Ring Cadence, Loop current and call progress tone
- ON-Hook Voltage: 48Vdc
- Ring Voltage: 50 V RMS
- Loop Current: Constant 23mA
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Voice Quality |
- VAD (Voice Activity Detection)
- CNG (Comfort Noise Generation)
- AEC (Acoustic Echo Cancellation) -- G.1684
- Dynamic Jitter Buffer
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QoS |
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Caller ID |
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Console |
- 1 D-SUB 9 pin RS-232 port
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Tone |
- DTMF / CPT (Call Progress Tone) generation/detection
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TCP/IP |
- Statically and DHCP for IP address assignment.
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ADSL Environment |
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Firewall Environment |
- Behind NAT Router or IP sharing device
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Security |
- ID and password authentication supported in Telnet server and console mode.
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Configuration & management |
- Console port, TELNET and Web Browser
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Upgrade |
- Firmware upgrade through network by TFTP/FTP
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Power |
- Input AC 100V~240V Output DC12V.
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Certification |
- FCC Part 15 Class B, CE Class B, VCCI Class B for WellGate 3502A / 3504A
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Operation Temp |
0° C to 40° C |
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Humidity |
10% to 90% (Non-condensing) |
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Chassis |
For WellGate 3504A:
- Dimension: 223 mm(W) x 35 mm(H) x 152 mm(D)
- Weight (unit): 1.5 kg
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Application Diagram

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