Grandstream HT813/KZ

Telephone interfaces
One (1) RJ11 FXS port, one (1) RJ11 FXO PSTN port with
lifeline support

Network interfaces
Two (2) 10/100 Mbps ports (RJ45) with integrated NAT router

LED indicators
POWER, LAN, WAN, FXS, FXO

Reset button to factory settings
Yes

Telephony functions
Number detection and number detection blocking, call waiting,
flash, blind or accompanied translation, redirection, hold, do not
disturb, 3-way conference


G.711 voice codecs with Appendix I (PLC) and Appendix II (VAD/CNG), G.723.1,
G.729A/B, G.726, iLBC, OPUS, dynamic jitter buffer, advanced
line echo compensation

Fax transmission over IP
Fax relay of the third group of the standard T.38 with support
for data transfer rates up to 14.4 kbit/s and auto-switching in G 711 for fax transmission

Call distance for
short-range/ long-distance communication 3 REN: up to 1 km on a 24AWG line


Caller ID (Caller ID) Bellcore type 1 and 2, ETSI, BT, NTT and CID based on DTMF
Disconnection methods Busy signal, Reverse polarity/control pulse, Current in the circuit

Network protocols
TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP,
TFTP, 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 method
In-audio, RFC2833 and/or SIP INFO

Setup and management
HTTP, HTTPS, TFTP, SSH, TR-069, secure and automated configuration
using AES encryption, system log

Safety
SRTP Environment*

Control
TLS/SIPS/HTTPS

Management
System log support, telnet, SSH, remote management via browser

Dimensions
Universal power supply
Input: 100-240V AC, 50-60 Hz
Output: 12V/0.5A

Environment
Working: 32º – 104ºF or 0º – 40ºC
Keeping: 14º – 140ºF or -10º – 60ºC
Humidity: 10 – 90%, non-condensing

Dimensions and weight
130.5 x 90.5 x 29 mm (L x W x D)
Weight: 0.142kg

Compliance with FCC/CE/C-TICK/ITU-K.21