| Usability | |
| Style | |
| Durability | |
| Features | |
| Price | |
| Overall |
Grandstream HandyTone 286 Core Features
| Features | Specifications |
| FXS Ports : |
1 Port |
| FXO Ports : |
No |
| Ethernet Ports : |
1 Port |
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Grandstream HandyTone 286 Summary
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 ATA-286 features market leading superb sound quality, compact size, and rich functionalities at highly-affordable price.
Grandstream HandyTone-286 Single FXS Port Analog Adapter for VoIP Phone Features:
- Support SIP 2.0, TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP protocols
- Support 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)
HandyTone Series comparison table
| Features |
HT-286
|
HT-386
|
HT-486
|
HT-488
|
HT-496
|
| Ethernet Ports |
1 RJ45
(LAN) |
1 RJ45
(LAN) |
2 RJ45
(LAN/WAN) |
2 RJ45
(LAN/WAN) |
2 RJ45
(LAN/WAN) |
| NAT/Router |
No
|
No
|
Yes
|
Yes
|
Yes
|
| DHCP |
Client
|
Client
|
Client/Server
|
Client/Server
|
Client/Server
|
| FXS Port |
1
|
2
|
1
|
1
|
2
|
| FXO Port |
No
|
No
|
No
|
Yes
|
No
|
| PSTN Pass-through Port |
No
|
Yes
|
Yes
|
Yes
|
No
|
| Remote Configuration |
TFTP/HTTP
|
TFTP/HTTP
|
TFTP/HTTP
|
TFTP/HTTP
|
TFTP/HTTP
|
* FXO port allows local and remote PSTN-to-VoIP call origination and VoIP-to-PSTN call termination, automated call routing through PSTN, and power fail-over. PSTN Pass-through allows local PSTN line service for income/outbound call and failover.
