Grandstream Networks HT814 User Manual

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HT812/HT814 User Guide
Version 1.0.15.4
HT812/HT814 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 HT812/HT814.
Table 2: HT812/HT814 Technical Specifications
Interfaces
Telephone Interfaces
Two (2) RJ11 FXS ports for HT812.
Four (4) RJ11 FXS sports for HT814.
Network Interface
Two (2) 10/100/1000 Mbps Ethernet port (RJ45).
LED Indicators
POWER, LAN, WAN, PHONE1, PHONE2 for HT812.
POWER, LAN, WAN, PHONE1, PHONE2, PHONE3, PHONE4 for HT814.
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, G722, 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
For HT812: 3 REN, up to 1km on 24AWG line.
For HT814: 2 REN, up to 1km on 24AWG line.
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
FTP, FTPS, HTTP, HTTPS, SSH, Telnet, TFTP, TR-069, secure and
automated provisioning using TR069, syslog.

Grandstream Networks HT814 Specifications

General

Brand	Grandstream Networks
Model	HT814
Category	Telephone Accessories
Language	English