User manual

Http://www.hybertone.com HT-822P VoIP FXS+PSTN Gateway
4
1 Product Introduction
1.1 General Information
An Analogue Telephone Adaptor (ATA) is an analogue-to-digital adaptor that allows you to
use your standard telephone or telephone system. ATA is designed to realize voice
communication over a broadband IP network. It offers high voice quality with minimal
bandwidth requirement. No matter it could access to the public IP address or not, the
device has the advantage of easy installation in simple or complex network Multiple IP
phones can also be installed in the same network with only one public IP address. It
comes with enriched features for both network and phone applications, such as
broadband router, DHCP, LAN Phone System.
The HT-822P IP ADAPTOR is an all-in-one VoIP integrated device, which is designed to
be a total solution for network’s providing VoIP services. Its functions are available via a
regular analog telephone. The HT-822P IP ADAPTOR has two VoIP lines and one PSTN
port.
1.2 Protocol
TCP/IP V4 (IP V6 auto adapt)
ITU-T H.323 V4 Standard
H.2250 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