Guangdong, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 9000
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available
Russian / Portuguese / Spanish Speaker

Fxs Ata Voip Gateway, P2p, 8 Fxs Port Gateway manufacturer / supplier in China, offering DBL 8-Port VoIP FXS (ATA) Gateway (HT-882), DBL SIM Bank32 Remote Controller SIM Server, Remote 32 SIM Cards SIM Bank SMB32 and so on.

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Supplier Homepage Products VoIP ATAs(FXS) DBL 8-Port VoIP FXS (ATA) Gateway (HT-882)

DBL 8-Port VoIP FXS (ATA) Gateway (HT-882)

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Min. Order / Reference FOB Price
1 Piece US $163.69/ Piece
Production Capacity: 10000PCS/Month
Transport Package: Packing Box Dimension: 31*16.3*7.2
Payment Terms: T/T, Western Union, Paypal
Type: Gateway
Trademark: DBL
Origin: Shenzhen

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Basic Info

Model NO.: HT-882

Product Description


The HT-882 is designed as a compact, high performance, and low cost VoIP Analog Terminal Adaptor (FXS Gateway).
It comes with 8 FXS ports to interface with traditional analog phone sets or PBX trunk lines for VoIP communications.
The HT-882 is a full featured FXS gateway and is designed for easy installation and configuration.
It supports the two most widely used Open VoIP Standards (SIP and H. 323). This allows the HT-882 to interoperate seamlessly with softswitches or IP PBXs made by various vendors.
Its high performance offers toll quality voice, flexible networking, and feature-rich call functions. It is an ideal low cost solution for SME environment where multiple lines are required.

Key Features

Open Standard VoIP Protocols (ITU H. 323 V4 and IETF SIP V2)
Single or Multiple Server Registrations
Peer-to-Peer IP Calls
Two 10/100 Ethernet for WAN / LAN connections
Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
Line Echo Cancellation
VLAN and QoS support
NAT Transversal and Router functions
Voice prompts, HTTP Web, Auto Provision support for configuration and updates
Highly stable embedded Linux operating system in high performance ARM 9 Processor

Basic Features

Eight RJ-11 FXS ports for traditional phone sets or PBX's trunk lines
LEDs for Power, Ready, Status, WAN, PC, FXS ports
Call Forward, Call Hold, Call Transfer
Dial Plan
Caller ID

Enhanced Features

Dynamic selection of codec
Advanced jitter buffer
Automatic traversal of NAT and firewall
VLAN / Qos
Echo cancellation for Speakerphone
Comfort noise generation (CNG)
Voice activity detection (VAD)
Auto provisioning (requires auto provisioning server)
On line firmware upgrade
Multi-language support: English and Chinese

Supported Standards

ITU: H. 323 V4, H. 225, H. 235, H. 245, H. 450
RFC 2327- SDP
RFC 2833-RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
RFC 2976-SIP INFO Method
RFC 3261 -SIP
RFC 3264 -Offer/Answer model with SDP
RFC 3515 - SIP REFER Method
RFC 3842 -A Message Summary and Message Waiting Indicator
RFC 3489- Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
RFC 3891 - SIP "Replaces" Header
RFC 3892 -SIP Referred-By Mechanism
Draft-ietf-sipping-CC-transfer-04- Session Initiation Protocol Call Control - Transfer
Codec: G. 711 (A/µ Law), G. 729A/B, G. 723.1
DTMF: RFC 2833, In-band DTMF, SIP INFO

Physical and Environmental

Operating temperature: 10° C to 40° C (50° F to 104° F)

Storage temperature: 0° C to 50° C (32° F to 122° F)

Weight: 0.64 kg (1.5 lb) (Including AC/DC Adapter)

Size: Mm (W) x mm (L) x mm (H)

Power: 24 Vdc 500 mA (AC/DC adapter included)
Hardware Characteristics Parameters Remarks
Model HT-882  
Processer ARM9 133MHz  
DSP VP-101-1 196MHz  
RAM 32W  
Flash 4W  
Power supply DC 24V/500mA + - 10%  
Power consumption Max  12W  
LED Operating and circuit light  
Network Card 10/100BASE-T ×2  
Weight 0.53KG  
Operating temperature 0-45 centigrade  
Working humidity 40%--90% non condensation  
Color Black  
RJ11 port 8 24V feed, 48V ringing
Warranty 1 year  

Network Characteristics Parameter Remark
LAN Port
DHCP support  
PPPoE support  
Static IP support  
Network Time Relay or Port forwarding Relay need coordinate with DBL Relay Server
10/100BASE-T 10 or 100 auto adaptation  
PC Port
Static IP support  
DHCP Max support 200 terminals  
10/100 BASE-T auto adaptation  
Switch mode support  

Speech Characteristics Service Condition Remark
G.168 Echo cancellation support 16ms
g.723 Support  
g.711A/u Support  
g.729A/B Support  
PLC Support  
CNG Support  
VAD Support  
Jitter buffer support  

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