Grandstream HandyTone 488

Grandstream HandyTone ATA-488 is an award-winning next generation VoIP analog telephone adaptor based on industry open standards. Built upon innovative technology, Grandstream HandyTone ATA-488 features market leading superb audio quality, compact size, and rich functionalities at highly-affordable price.

HandyTone HT-488 Features

• Dual RJ45 10/100 Ethernet Connection (WAN/LAN)
• DHCP, NAT and router functionality
• Single FXS port for connecting analog telephones and fax machines
• Single FXO port for connection to analog trunk lines
• Support SIP 2.0, TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP (both client and server), NTP, TFTP, PPPoE, STUN, etc.
• Built-in router, NAT, gateway, DMZ, and port forwarding
• Powerful digital signal processing (DSP) to ensure superb audio quality; advanced adaptive jitter control and packet loss concealment technology
• Ultra-compact (wallet sized) and lightweight design, great companion for travelers
• Extensive codec support, including G.711, G.723.1, G.729A/B, G.728, G.726, iLBC
• CallerID/Name display and block, hold, call waiting, call transfer, call forward, flash, three-way calling
• Customizable ring tones
• Fax pass-through and T.38 (pending)
• Silence suppression and VAD, AGC and echo cancellation (G.168)
• Layer 2 (802.1Q VLAN, 802.1p) and layer 3 QoS (DiffServ, Tos)
• Automated NAT traversal without manual manipulation of firewall/NAT
• Remote automated provisioning and software upgrades, even through firewalls and NAT to enable "zero configuration" and "plug and dial" for end-users
• Configuration via built-in IVR, web browser or central provisioning
• SIP server fail-over (pending)

Grandstream HandyTone ATA Comparison Guide