產品資訊 - HT-342 (4-FXO Port)VoIP FXO Gateway ->ip phone

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HT-342 (4-FXO Port)VoIP FXO Gateway

產品分類 :

電信設備->電話->ip網路電話

產品規格

Model No:	HT-342

Country	CN
Brand	DBL
Minimum Order	1

產品描述

Overview
The HT-342 is designed as a compact, high performance, and low cost FXO Gateway. The FXO detection is optimized to avoid the hold up of the PSTN line when the other party is disconnected. This has been one of the key issue in the design of FXO gateway. The incoming PSTN Caller ID is also

transmitted to the VoIP user for more user friendly operation. The HT-342 is a full featured FXO gateway and is designed for easy installation and configuration. It is an ideal solution for VoIP to PSTN termination in both SME and SOHO environment.

Key Features
Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
Single or Multiple Server Registrations
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 Features
Two 10/100 Ethernet circuits connect to the LAN and an additional device
Four RJ-11 FXO ports for PSTN terminations (PSTN lines or PBX's extensions)
LEDs for Power, Ready, Status, WAN, PC, FXO ports
Call forward from PSTN to VoIP and VoIP to PSTN
Dial in mode or dial out mode only
Dial Plan
Password protection for both PSTN dial in or dial out
Retransmit PSTN Caller ID to VoIP terminal
Enhanced Features

Dynamic selection of codec
Advanced jitter buffer
Automatic traversal of NAT and firewall
VLAN / Qos
Router
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

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