2003 Product of the Year Awards

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HandyTone 286
Grandstream Networks, Inc.
www.grandstream.com

HandyTone 286 is a feature-rich, compact, and highly affordable VoIP analog telephone adaptor. It supports  SIP and features all the popular voice call functions such as Caller ID, Call Waiting, Flash, Voice Mail Indicator, Fax pass thru, and support for the most comprehensive list of voice codecs such as G.711, G.723, G.729, G.726, G.728, etc.

Features include:

  • Supports SIP 2.0, TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP protocols;

  • Supports 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 one LAN port and 1 FXS interface for any analog telephones, cordless phones, and fax machines;

  • Supports transparent Fax pass-through and in the future T.38 (pending)

  • Interoperable with various 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; and

Supports 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.

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