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Grandstream HandyTone 286:
Overview
General Information
Plug, Dial, and Save
The Grandstream HandyTone ATA-286 is an award-winning next generation
VoIP analog telephone adaptor based on industry open standards. Built upon
innovative technology, Grandstream HandyTone Analog Telephone Adatpers (ATA)
features market leading superb sound quality, compact size, and rich
functionalities at a highly-affordable price.
HandyTone Series Comparison Table
| Features |
HT-286
|
HT-386
|
HT-486
|
HT-488
|
| Ethernet Ports |
1 RJ45
(LAN)
|
1 RJ45
(LAN)
|
2 RJ45
(LAN/WAN)
|
2 RJ45
(LAN/WAN)
|
| DHCP/NAT/Router |
No
|
No
|
Yes
|
Yes
|
| FXS Port |
1
|
2
|
1
|
1
|
| FXO Port |
No
|
No
|
No
|
1
|
| PSTN Pass-through Port |
No
|
Yes
|
Yes
|
Yes
|
| Remote Configuration |
TFTP/HTTP
|
TFTP/HTTP
|
TFTP/HTTP
|
TFTP/HTTP
|
| Features |
HT-496
|
HT-502
|
HT-503
|
| Ethernet Ports |
2 RJ45
(LAN/WAN)
|
2 RJ45
(LAN/WAN)
|
2 RJ45
(LAN/WAN)
|
| DHCP/NAT/Router |
Yes
|
Yes
|
Yes
|
| FXS Port |
2
|
2
|
1
|
| FXO Port |
No
|
No
|
1
|
| PSTN Pass-through Port |
No
|
No
|
No
|
| Remote Configuration |
TFTP/HTTP
|
HTTP/HTTPS/Telnet/TFTP
|
HTTP/HTTPS/Telnet/TFTP
|
Features:
- Interfaces -
- 1 RJ45 10Base-T LAN connection
- 1 RJ11 PSTN Analog Connection
- Supported Protocols -
- SIP 2.0
- TCP/UDP/IP
- RTP/RTCP
- HTTP
- ICMP
- ARP/RARP
- DNS
- DHCP
- NTP
- TFTP
- NAT traversal using IETF STUN and symmetric RTP (compatible with Cisco’s
ATA-186, etc)
- Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity
audio quality
- Provides 1 LAN port and 1 FXS interface for any analog telephones,
cordless phones, and fax machines
- Support transparent Fax pass-through and in the future T.38 (pending)
- Interoperable with various 3rd party SIP end user device,
Proxy/Registrar/Server, and gateway products
- Advanced and patent pending adaptive jitter buffer control, packet delay
and loss concealment technology
- Support popular codecs including G.723.1 (5.3K/6.3K), G.729A/B, G.711
(a-law and u-law), G.726, and G.728. Dynamic negotiation of codec and voice
payload length
- Support standard voice features such as Caller ID Display or Block,
FLASH, in-band and out-of-band DTMF (RFC2833), Dial Plans, off-hook auto
dial, early dial, click-to-dial
- Support acoustic echo cancellation, voice mail with indicator,
downloadable ring tone (pending)
- Support Silence Suppression, VAD (Voice Activity Detection), CNG
(Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC
(Automatic Gain Control)
- Support DIGEST authentication and encryption using MD5 and MD5-sess.
- Provide easy configuration thru manual operation (attached analog phone
keypad and voice prompt, Web interface) or personalized automated
provisioning via central configuration file for mass deployment.
- Support for Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ,
MPLS)
- NAT-friendly remote software upgrade capability (via tftp) even from
behind firewalls/NATs.
- Support for fail-over SIP server and DNS server (pending)
Grandstream HandyTone Analog Telephone Adapters / IAD series offer a
comprehensive line of VoIP access devices that feature full compliance with
industry standards, superb audio quality, rich functionalities, high level of
integration, compactness, and great affordability.
Tech Support
Grandstream HandyTone 286
 The
Technical Support Service
offered involves technical assistance by telephone and the Web for issues associated
with the products purchased from JSTQI.
Thoroughly trained on our products the support team has access to our real-time,
knowledge base and captive network models, which help them, replicate and resolve
problems while avoiding disruption of your network.
Please
call us for technical questions and support
Toll Free: 800.626.4670
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