Specifications
sip voip gateway1,support ITU H.323V4 and IETF SIPV2
2,high quality speech be ensured
3,support VLAN and QoS
sip voip gateway
Product Introduction:
The HT-544 VoIP gateway (with four FXS and four PSTN ports) is designed as a compact, high performance, and low cost VoIP Analog Terminal Adapter (FXS Gateway). It comes with a FXS port to interface with a traditional analog phone set or a PBX trunk line for VoIP communications. By connecting a PSTN line to the Bypass port, the phone set connected to the FXS port can also access the PSTN line for traditional telephone service. The HT-544 is a full featured FXS gateway and is designed for easy installation and configuration. It is an ideal low cost solution for travelers and SOHO users.
SIP VOIP Product Features:
SIP VOIP Basic FeaturesSupport Standards:
One RJ-11 FXS port for traditional phone set or PBX's trunk line
One RJ-11 port for connection to PSTN line (Bypass function only)
LEDs for Power, Ready, Status, WAN, PC, FXS
Call Forward, Call Hold, Call Transfer
Dial Plan
Caller ID
SIP VOIP 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
SIP VOIP
