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 vocoders including G.711 (alaw and
•Support Caller ID/Name display or block, Hold, Call Waiting/Flash, Call Transfer, Call Forward,
•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
•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 with encrypted configuration files.
•Ultra compact (wallet size) and lightweight design, great companion for travelers
•Compact, lightweight Universal Power adapter.
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