Delivery Time:3-5 workdays

SIP & H.323 1 port VoIP FXS Gateway T.38 Free International Call

Quick details

Brand name: DBL Model Number:HT-912T type: VoIP FXS Gateway Protocol: SIP & H.323, T.38 Support: P2P calls, PPTP VPN. FAX
 

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.

Key Features

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

Basic Function

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

Applications:

1.

2. P2P calls

Specifications:

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
Speech Characteristics	Service Condition	Remark
G.168 Echo cancellation	support	16mS
g.723	support
g.711A/u	support
g.729A/B	support
GSM	Nonsupport