Network Device
Description
SIP & H.323 1 port VoIP FXS Gateway T.38 Free International Call
Quick details
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# Brand name: DBL
# Model Number:HT-912T
# type: VoIP FXS Gateway
# Protocol: SIP & H.323, T.38
# Support: P2P calls, PPTP VPN. FAX
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Description:
The HT-912T FXS Gateway is designed as a compact ,high performance and cost-efficient VoIP Analog Termianl Adapter. It comes with one Ethernet port for network access to a VoIP Server and? one RJ-11 jack to interface with a traditional telephone or fax machine. Connecting a telephone line port (FXO) of a traditional PBX to a VoIP ATA enables the PBX to take full advantages of VoIP services. It bundles with lots of features to meet the demand in various network environment. It is an ideal solution for SME, SOHO, and individual who would like to lower or eliminate their local and long distance call charges.
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Key Features
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Standard SIP VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
Codec: G.711 (A/μ law), G.729A/B, G.723.1
Point-to-point protocol over Ethernet (PPPoE);
Hypertext Transfer Protocol (HTTP);
Dynamic Host Configuration Protocol (DHCP);
Domain Name System (DNS);
DTMF: RFC 2833, In-band DTMF, SIP INFO
Dynamic selection of codec
Flexible jitter buffer
Automatic traversal of NAT and firewall
VLAN / QoS
Comfort noise generation (CNG)
Voice activity detection (VAD)
Auto provisioning (requires auto provisioning server)
Password protection for both GSM dial in or dial out
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Basic Function
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PLC: Packet loss concealment?
Voice gain adjustable
Echo Cancellation (with ITU-T G.168/165 standard)
Hotline
Memory Dial
Caller ID
Dial Plan
Online firmware upgrade
Multi-language support: English and Chinese
With Accounting Function
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Applications:
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2. P2P calls
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Specifications:
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Hardware | Parameters | Remark |
Model | HT-912T | ? |
Processor | ARM9 300MHZ | ? |
DSP | ARM926EJ DSP(media sub system) | ? |
RAM | 16M | ? |
FLASH | 4M | ? |
Network Card | 100/10BASE-T ×2 | ? |
LED | operating and circuit light | ? |
Power consumption | 12VDC | ? |
Net Weight | 0.1kg | ? |
Operating Temperature | 0－45℃ | ? |
Working Humidity | 40％－90％ non-condensation | ? |
Color | grey | ? |
RJ11 port | 1 | ? |
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Speech Characteristics | Service Condition | Remark |
G.168 Echo cancellation | support | 16mS |
g.723 | support | ? |
g.711A/u | support | ? |
g.729A/B | support | ? |
GSM | Nonsupport | ? |
PLC | support | ? |
CNG | support | ? |
VAD | support | ? |
Jitter Buffer | support | ? |
T.38 | support | ? |
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Network Characteristic | Parameters | Remark |
LAN Port |
DHCP | support | ? |
PPPoE | support | ? |
Static IP | support | ? |
NAT Transversal | Relay or Port forwarding | Relay need coordinate with DBL Relay Server |
Network time | NTP / SNTP | ? |
10/100BASE-T | 10/100 auto adaptation | ? |
PC Port |
Static IP | support | ? |
DHCP | Max support 200 terminals | ? |
10/100BASE-T | 10/100 auto adaptation | ? |
Switch mode | support | ? |
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Protocols | ITU H.323 V4 and IETF SIP V2, SIP (RFC3261) TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP,
ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE | support |
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User Interface | Parameters | Remark |
Web page Configuration | HTTP | ? |
Multiple password | 3 password | customized service |
Keyboard setup | support | ? |
Online update | http | ? |
Broadcast IP | support | Chinese , English |
Billing | support | coordinate with DBL Billing Software |
Language | Chinese, English | ? |
Multi-regional warning tone | China,HK,USA,UK,German etc. | ? |
Warranty | one year | ? |
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Competitive Advantage:
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Support SIP and H.323 protocols
One RJ-11 FXS port for traditional phone set or PBX& acute;s trunk line
Peer-to-Peer IP Calls
Line Echo Cancellation
Support T.38
Call Forward, Call Hold, Call Transfer,Phone Book
Call waiting function
PPTP VPN
NAT Transversal and Router functions
Voice prompts, HTTP Web, Auto Provision support for configuration and updates
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Read More
Shandong Luda Packing Co.,Ltd
stretch film .paper corner ,plywood box ,adhesive tape
Address: Room No.1302,Huangtai E-commerce industrial park,Lishan North Road,TianQiao District,Jinan City,Shandong Province,China,
Jinan, Shandong
China, 250000
Tel: 86-531-88771161
Fax: 86-531-81258989
