HandyTone -286 User Manual

Grandstream Networks, Inc.

4 Product Overview

4.1Key Features

Supports SIP 2.0(RFC 3261), TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP (both client and server), NTP, PPPoE, STUN, TFTP, etc.

Powerful digital signal processing (DSP) to ensure superb audio quality; advanced adaptive jitter control and packet loss concealment technology

Support various codecs including G.711 (PCM a-law and u-law), G.723.1 (5.3K/6.3K), G.726 (32K), G.729A and iLBC.

Support Caller ID/name display or block, Call waiting caller ID, Hold, Call Waiting/Flash, Call Transfer, 3-way conference (on Rev. 2.0), Call Forward, in-band and out-of-band DTMF, etc.

Support fax pass through (for PCMU and PCMA) and T.38 FoIP (Fax over IP)

Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control)

Support standard encryption and authentication (DIGEST using MD5 and MD5-sess)

Support for Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)

Support automated NAT traversal without manual manipulation of firewall/NAT

Support device configuration via built-in IVR, Web browser or encrypted configuration files through TFTP or HTTP server

Support firmware upgrade via TFTP or HTTP

Support SIP Session Timer

Support Syslog (on Rev.2.0)

Ultra compact (wallet size) and lightweight design, great companion for travelers

Compact, lightweight Universal Power adaptor

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Grandstream Networks 286 user manual Product Overview, Key Features