2 FXS Port ATA Gateway Analog Terminal Adapter Support T.38 FAX Quick details # Brand name: DBL # Model Number:HT-922T # Type: VoIP FXS Gateway # Protocol: SIP & H.323, T.38 # Support: P2P calls, PPTP VPN. FAX Description: Fax gateway support protocal T.38, 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 two 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/ 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-922T | | 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 | 12V/DC | | Net Weight | 0.1kg | | Operating Temperature | 045 | | Working Humidity | 4090 non-condensation | | Color | grey | | RJ11 port | 2 | | | | | 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 | | | 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 | | | | | 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 | | | | 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 | | ---- Competitive Advantage: Support SIP and H.323 protocols One RJ-11 FXS port for traditional phone set or PBX'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
