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HT813 Administration Guide
Version 1.0.1.2
HT813 Technical Specifications
The following table resumes all the technical specifications including the protocols/standards supported,
voice codecs, telephony features, languages and upgrade/provisioning settings for the HT813.
Table 2: HT813 Technical Specifications
Interfaces
Telephone Interfaces
One (1) RJ11 FXS port, One (1) RJ11 FXO PSTN line port with lifeline support
Network Interface
Two (2) 10/100/1000 Mbps ports (RJ45) with integrated NAT router
LED Indicators
POWER, FXO, FXS, WAN, LAN.
Factory Reset Button
Yes
Voice, Fax, Modem
Telephony Features
Caller ID display or block, call waiting, flash, blind or attended transfer,
forward, hold, do not disturb, 3-way conference
Voice Codecs
G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729A/B,
G.726, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation
Fax over IP
T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711
for Fax Pass-through
Short/Long Haul Ring
Load
3 REN: Up to 1km on 24 AWG
Caller ID
Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Disconnect Methods
Busy Tone, Polarity Reversal/Wink, Loop Current
Signaling
Network Protocols
TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, FTP/FTPS, ARP/RARP, ICMP, DNS,
DDNS, DHCP, NTP, TFTP, SSH, Telnet, STUN, SIP (RFC3261), SIP over
TCP/TLS, SRTP, TR-069
QoS
Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS).
DTMF Methods
In-audio, RFC2833 and/or SIP INFO
Provisioning and
Control
HTTP, HTTPS, SSH, FTP, FTPS, Telnet, SSH, TFTP, TR-069, secure and
automated provisioning using AES encryption, syslog
Security
Media
SRTP
Control
TLS/SIPS/HTTPS
Management
Syslog support, SSH, Telnet remote management using web browser.
