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Grandstream Handytone 386 Multiport Analog Adapter
SIP VoIP FXS Gateway - Dual FXS
Grandstream HandyTone 386 is an “All-In-1” VoIP IAD based on SIP standard. Built upon Grandstream’s innovative technology，HandyTone 386 features superb sound quality, rich functions, high degree of integration, ease of use, compact size, and ultra-affordability
Single RJ45 WAN Port
Dual FXS RJ11 Ports
PSTN Pass-through capability
Support SIP2.0， TCP/UDP/IP， RTP/RTCP, HTTP, ICMP, ARP/RARP， DNS， DHCP (both client and server)， NTP， PPPoE，TFTP, etc.
Built-in router, NAT and Gateway
Powerful digital signal processing (DSP) to ensure superb audio quality; advanced adaptive jitter control and packet loss concealment technology
Ultra compact (wallet size) and lightweight design, great companion for travelers
Support various vocoders including G.711 A-/U-law ， G.723.1, G.729A/B, G.728, G.726, iLBC.
Support Caller ID/Name display or block, Hold, Call Waiting, Call Transfer, Call Forward, Auto Answer (Intercom), Flash
Support customizable ring tone and fax pass through
Support silence suppression and VAD， AGC， and echo cancellation (G.168)
Support standard encryption and authentication (DIGEST using MD5 and MD5-sess)
Support layer-2 (802.1Q VLAN, 802.1p) and layer-3 (DiffServ, ToS) QoS
Support automated NAT traversal without manual manipulation of firewall/NAT
Support remote automated provisioning and software upgrade even through firewall/NAT to enable “zero configuration” and “plug-and-dial” for end users
Support device configuration via built-in IVR, Web browser or central configuration file
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