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 audio quality, compact size, and rich functionalities at highly-affordable price.
HandyTone HT-286 Features
- Single RJ45 10/100 Ethernet Connection (WAN/LAN)
- Single FXS port for connecting analog telephones and fax machines
- Support SIP 2.0, TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, NTP, TFTP, etc.
- Powerful digital signal processing (DSP) to ensure superb audio quality; advanced adaptive jitter control and packet loss concealment technology
- Ultra-compact (wallet sized) and lightweight design, great companion for travelers
- Extensive codec support, including G.711, G.723.1, G.729A/B, G.728, G.726
- CallerID/Name display and block, hold, call waiting, call transfer, call forward, flash, three-way calling
- Customizable ring tones
- Fax pass-through and T.38
- Silence suppression and VAD, AGC and echo cancellation (G.168)
- Layer 2 (802.1Q VLAN, 802.1p) and layer 3 QoS (DiffServ, Tos)
- Automated NAT traversal without manual manipulation of firewall/NAT
- Remote automated provisioning and software upgrades, even through firewalls and NAT to enable "zero configuration" and "plug and dial" for end-users
- Configuration via built-in IVR, web browser or central provisioning
- SIP server fail-over (pending)
Grandstream HandyTone ATA Comparison Guide
| Features |
HT-286 |
HT-502 |
HT-503 |
| Ethernet Ports |
1x 10Mbps
(LAN) |
2x 10/100Mbps
(LAN/WAN) |
2x 10/100Mbps
(LAN/WAN) |
| NAT/Router |
No |
Yes |
Yes |
| DHCP |
Client |
Client/Server |
Client/Server |
| FXS Port |
1 |
2 |
1 |
| FXO Port |
No |
No |
Programmable |
| PSTN Pass-through Port |
No |
No |
Yes |
| Voicemail Indicator |
Yes |
Yes |
Yes |
| |
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