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Help CenterVoIP FXO Gateway HT-322
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VoIP FXO Gateway With 2 Ports HT-322NegotiableMOQ: 1 Piece
Specifications
1.a compact, high performance, low cost FXO Gateway2.superb audio quality
3.reliable FXO detection
4.high-level integration
The HT-322 is designed as a compact, high performance, and low cost FXO Gateway.
It features superb audio quality, reliable FXO detection, rich functionalities, and high-level integration. 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 issues 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-322 is a full featured FXO gateway with a second Ethernet port for connection with another network device. It is an ideal solution for VoIP to PSTN termination in both SME and SOHO environment.
A VoIP FXO (Foreign Exchange Office) Gateway bridges the VoIP and PSTN networks by enabling both voice and fax communications. It offers an FXO interface to a traditional telephone line (PSTN) and an WAN Ethernet port interface to the IP Network. A connection can be initiated either from a VoIP user to a PSTN user or from a PSTN user to a VoIP user. It is a key component for building a hybrid communication system with connections to both VoIP and PSTN networks. The key advantage is to make use of the IP network and local PSTN networks to save on international / long-distance phone expenses.
Protocols
TCP/IP V4 (IP V6 auto adapt) ITU-T H.323 V4 Standard H.225 V4 Standard
H.245 V7 Standard
H.235 Standard（MD5，HMAC-SHA1）
ITU-T G.711 Alaw/ULaw, G.729A, G.729AB, and G.723.1 Voice Codec
RFC1889 Real Time Data Transmission Proprietary Firewall-Pass-Through Technology SIP V2.0 Standard
Simple Traversal of UDP over NAT (STUN) Web-base Management
PPP over Ethernet (PPPoE)
PPP Authentication Protocol (PAP)
Internet Control Message Protocol (ICMP) TFTP Client
Hyper Text Transfer Protocol (HTTP)
Dynamic Host Configuration Protocol (DHCP) Domain Name System (DNS)
User account authentication using MD5
Out-band DTMF Relay: RFC 2833 and SIP Info
Hardware Features
ARM9E Processor for high performance
DSP for voice codec and voice processing
Two 10/100M Based Ethernet ports for WAN/LAN connections. LED status indicators
One FXS port
Ethernet Bridge
Software Features
LINUX OS
Built-in HTTP for accessing internal parameters
PPPoE dial-up
Network Address Traversal (NAT) and Router functions
DHCP Client
DHCP Server
Firmware On-line upgrade
Phone Book
Caller ID (PSTN to VoIP) Multiple Language Support
List of Package
The following items are included in the package.
1. One HT-322 main unit
2. One DC12V/500mA power adaptor
3. One Ethernet cable (3M)
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