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

Voip, Voip Gateway, Voip Atas (Fxs) manufacturer / supplier in China, offering 1-FXS Port VoIP ATA Gateway Support Fax (HT912T), 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) 1-FXS Port VoIP ATA Gateway Support Fax (HT912T)

1-FXS Port VoIP ATA Gateway Support Fax (HT912T)

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Min. Order / Reference FOB Price
1 Piece US $26/ Piece
Port: Shenzhen, China
Production Capacity: 10, 000PCS/Month
Payment Terms: T/T, Western Union, Paypal, Money Gram
Type: Gateway
VoIP Protocol: H. 323&SIP
Build in: Relay Encryption
with: Billing System
Operating Temperature: 10° C to 40° C (50° F to 104° F)
Storage Temperature: 0° C to 50° C (32° F to 122° F)

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Basic Info

Model NO.: HT912T
Warranty: One Year
Trademark: DBL
Transport Package: Package: 20 PCS/Carton
Specification: Box Dimension: 14*18*6.5cm (L*W*H) G.W:0.32kg
Origin: China

Product Description

1 Port FXS Gateway HT-912T


1. SIP&H.323; Support VPN;     fxs asterisk

2. Router function;

3. Support T.38 fax;

4. Relay encryption;

5. Remote Access ;

6. Auto Configuration 

7. Billing

8. Can be customized.


Series Model:   HT-912T(1 port),    HT-922T(2 ports),    HT-842R(4 ports),    HT-882(8 ports)

VoIP FXS Gateway HT-912T  is a telephone extension to the IP network. It offers a traditional telephone line (PSTN) interface to an analog telephone, PBX line extension, or a fax machine. Its WAN port interface allows access to the IP network in order to offer voice and fax services. It is a great way for turning a traditional PBX to access the low cost VoIP services and for deploying VoIP service by an ISP. An additional Ethernet port allows broadband connection for the existing PC or other network device without buying additional network equipment. It is an ideal low cost product for SME and SOHO IP telephony application.

1-FXS Port VoIP ATA Gateway Support Fax (HT912T)

1-FXS Port VoIP ATA Gateway Support Fax (HT912T)
1-FXS Port VoIP ATA Gateway Support Fax (HT912T)

Product overview1 FXS port VOIP Gateway
Open Standard VoIP Protocols (SIP&H.323)
Provide 1 RJ-11 port for a POTS phone or a PBX's trunk line
Provide 2 RJ-45 Ethernet Ports
Support call forward/transfer/hold, phone book
Support G.711 A/μ law, G.729A/B, G.723.1 Codecs
Support QoS, NAT transversal and router function
Support VAD, CNG, EC
Support T.38 FAX
HighlightsBuilt-in H.323 V4 and SIP V2 Protocols.
Low cost
Hight performance router
Caller ID
Auto provisioning and firmware updates
Encryption transversal
Multiple languages
Key FeaturesOpen Standard VoIP Protocols (ITU H. 323 V4 and IETF SIP V2)
Two 10/100 Ethernet for WAN / LAN connections
Peer-to-Peer IP Calls
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 Feature1 RJ-11 FXS port for traditional phone set or PBX's trunk line
LEDs for Power, Ready, Status, WAN, PC, FXS
Call Forward, Call Hold, Call Transfer Dial Plan
Caller ID
Enhanced FeaturesDynamic 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 StandardsITU: 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
Free SoftwareAuto Config Server
Relay Server
Remote Access
Hardware SpecificationsOperating temperature: 10°C to 40°C (50°F to 104°F)
Storage temperature: 0°C to 50°C (32°F to 122°F)
Size:140mm (W) x 170mm (L) x 65mm (H)
Weight:0.35kg (Including AC/DC Adapter)
Power: 12V 500mA
Warranty: 1 year

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