HandyTone-486 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

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

Support various vocoders including G.711 (alaw and u-law), G.723.1 (5.3K/6.3K), G.726 (40K/32K/24K/16K), as well as G.728, G.729A/B, and iLBC.

Support Caller ID/Name display or block, Hold, Call Waiting/Flash, Call Transfer, Call Forward, in-band and out-of-band DTMF, Dial Plans, etc.

Support Call Waiting Caller ID

Support fax pass through

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 central configuration file through TFTP or HTTP

Support firmware upgrade via TFTP or HTTP with encrypted configuration files.

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

Compact, lightweight Universal Power adapter.

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Grandstream Networks 486 user manual Product Overview, Key Features