Datasheet

Hybrid ATA with FXS and FXO ports
The HT813 is an analog telephone adapter that features 1 analog telephone FXS port and 1 PSTN line FXO
port in order to oer backup lifeline support using a PSTN line. The integration of a FXO and FXS port
enables this hybrid ATA to support remote calling to and from the PSTN line. For added exibility, the FXS
port extends VoIP service to one analog device. Users can convert their analog technology to VoIP thanks to
the HT813’s ultra-compact size, HD voice quality, advanced VoIP functionality, high-end security protection
and multiple auto provisioning options. These advanced features also allow service providers to oer high
quality IP service to customers looking to upgrade to VoIP.
www.grandstream.com
HT813
Supports 2 SIP
proles through 1
FXS port and 1 FXO
port
Dual 100Mbps LAN
and WAN ports
Lifeline support (FXS
port will be hard-
relayed to FXO port)
in case of power
outage
3-way voice
conferencing per
port
Automated & secure
provisioning options
using TR069
Supports T.38 Fax
for reliable Fax-
over-IP
Failover SIP server
automatically
switches to
secondary server if
main server loses
connection
Strong AES encryption
with security
certicate per unit