network communication

network communication

network communication

1 FXS ports VOIP Gateway HT-912T

The HT-912 is designed as a compact-size, high-performance and low-cost Analog Terminal Adaptor (FXS Gateway). It comes with 1FXS ports to connect traditional analog phone or PBX trunk lines for VoIP communications.

With easy installation and configuration, this gateway also supports 2 mostly used open VoIP standards (SIP and H.323), which makes it work seamlessly with soft switches or IP PBXs made by various vendors.

Offering high-quality voice, flexible networking and rich functions, it is an ideal low-cost solution for small and medium enterprises where multiple VoIP lines are required

Functions & Features

Supports open standard VoIP protocols (ITU H.323 V4 and IETF SIP V2);Supports registration of single servers;Supports peer-to-peer IP calls;Provides two 10/100 Ethernet port for WAN/LAN connections;High voice quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer;Supports echo cancellation for speaker;Supports VLAN and QoS;Supports automatic transversal of NAT and firewall;Supports voice prompt, HTTP web, and auto-provisioning (* auto-provisioning server required);Highly stable embedded operating system of Linux with ARM9 processor;Supports call forward, call hold and call transfer;Supports dial plan and caller ID;Supports dynamic selection of codec;Supports router function;Comfort noise generation (CNG);Voice activity detection (VAD);Web-based interface: provides parameters setting, multi-layer password, online firmware upgrade, 4-level volume adjustment, voice-speaking IP, toll charging, multi-area prompt tone.

network communication

Specifications

Processor	ARM9 133MHz
DSP	VP-101-4 196MHz
Memory	RAM: 32MB, FLASH: 4MB
Interface	Power interface: AC220V±15% to DC 24V/500mAEthernet interface for LAN and WAN: 2 RJ45 ports, 10/100Base-TFXS interface: 1 RJ11 ports (feed at 24V / ring at 48V)LED indicators: Power, Run
Power Consumption	Max. 12W
Voice Characteristics	Supports G.168 algorithm for echo cancellation (16ms)Supports G.723.1, G.711 (A/µ law), G.729A/B, PLC, CNG, and VADSupports Package Jitter Algorithm
LAN Port Characteristics	Supports DHCP, PPPoE, and Static IPFirewall transversal: relay (* relay server required) or port forwardingNetwork time: NTP/SNTP10/100Base-T: 10M/100M adaptive
PC Port Characteristics	Supports Static IP and switch modeDHCP service: supports max. 200 clients10/100Base-T: 10M/100M adaptive
Supported H.323 Protocols	ITU-T: H.323 V4, H.225, H.235, H.245 and H.450RFC-1889: RTP/RTCPSupports IP-to-IP
Supported SIP Protocols	RFC 2327: Session Description Protocol (SDP)RFC 2833: RTP Payload for DTMF Digits, Telephony Tones and Telephony SignalsRFC 2976: SIP INFO methodRFC 3261: Session Initiation Protocol (SIP)RFC 3264: Offer/Answer model with SDPRFC 3265: SIP - Specific Event NotificationRFC 3515: SIP REFER methodRFC 3842: A message summary and message waiting indicationRFC 3489: Simple Traversal of UDP through NATsRFC 3891: SIP "Replaces" HeaderRFC 3892: SIP Referred-By mechanismdraft-ietf-sipping-cc-transfer-04: SIP call control - transfer
Operating Temperature	-20°C ~ +45°C
Relative Humidity Range	40% ~ 90% (non condensing)
Dimensions	140mm X 175mm X 80mm
Weight	450 g

network communication

network communication

network communication

network communication

network communication

network communication

network communication

network communication