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Grandstream HandyTone 286

Market price:	~~$67.95~~
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You save:	$36.00	( 53%)

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Grandstream HandyTone 286 -

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. Click here for additional information

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