HandyTone-486 User Manual
Grandstream Networks, Inc.
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4
Product Overview
4.1
Key Features
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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.
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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)
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Powerful digital signal processing (DSP) to ensure superb audio quality; advanced adaptive
jitter control and packet loss concealment technology
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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
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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.
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Support fax pass through (for PCMU and PCMA) and T.38 FoIP (Fax over IP)
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Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise
Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control)
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Support standard encryption and authentication (DIGEST using MD5 and MD5-sess)
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Support for Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
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Support automated NAT traversal without manual manipulation of firewall/NAT
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Support device configuration via built-in IVR, Web browser or encrypted configuration files
through TFTP or HTTP server
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Support firmware upgrade via TFTP or HTTP
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Support PSTN pass through (on Rev.2.0)
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Support SIP Session Timer
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Support Syslog (on Rev.2.0)
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Ultra compact (wallet size) and lightweight design, great companion for travelers
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Compact, lightweight Universal Power adapter
