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HandyTone | 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.
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•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
•Support Caller ID/name display or block, Call waiting caller ID, Hold, Call Waiting/Flash, Call Transfer,
•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
•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
•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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