Grandstream Networks HT-286 - Manual (Page 7)

Grandstream Networks, Inc. HT–286 User Manual Page 7 of 28
Firmware 1.1.0.31 Last Updated: 1/2009
Product Overview
HT-286 supports one FXS port for Internet data, voice, and fax.
K EY F EATURES
Ethernet
Ports
DHCP
FXS
Port
PSTN
Pass –
through
Voice Mail
Indicator
Voice Codec
Remote
Configuration
1 RJ45 (LAN) Client 1 No Yes
iLBC, G.723,
G.711, G.729,
G.726, T.38
TFTP/HTTP
T
ABLE 2: HT–286 T ECHNICAL S PECIFICATIONS
Lines/SIP Accounts 1 lines / 1 SIP accounts
Protocol Support SIP 2.0 (RFC 3261), TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP, ICMP,
DNS, DHCP, NTP, TFTP, PPPoE protocols
Feature Keys 1 button
LAN Interface RJ-45 10 Mbps
Device Management Web interface or via secure (AES encrypted) central configuration file for mass
deployment
Support device configuration via built-in IVR, Web browser or central
configuration file through TFTP or HTTP
Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ,
MPLS)
Auto/manual provisioning system
NAT-friendly remote software upgrade (via TFTP/HTTP) for deployed devices
including behind firewall/NAT
Syslog support (on Rev 2.0)
DHCP Server/Client Yes, Client
Audio Features Advanced Digital Signal Processing (DSP)
Dynamic negotiation of codec and voice payload length
Support for G.723,1 (5.3K/6.3K), G.729A, G.711 µ/A, G.726, and iLBC codecs
In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
Silence Suppression, VAD (voice activity detection), CNG (comfort noise
generation), ANG (automatic gain control), Line Echo Cancellation( G.168)
Adaptive jitter buffer control
Packet delay & loss concealment
Support volume amplification
Support configurable Call Progress Tones
Call Handling
Features Caller ID display or block, Call waiting caller ID, Call waiting/Flash, Call
transfer, hold, forward, mute, 3-way conferencing(on Rev 2.0)
Network and Manual or dynamic host configuration protocol (DHCP) network setup; RTP