Grandstream Networks HandyTone-286 user manual Product Overview, Key Features

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.

•Built-in router, NAT, Gateway and DMZ port forwarding. Can also be configured to function as a two Ethernet ports bridge (NAT function is disabled)

•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), as well as 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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