The HandyTone 496 is an “All-In-1” Analogue VoIP Adaptor based on SIP standard. It features superb sound quality, rich functions, a high degree of integration, ease of use, compact size and all at a great price.

The new Handytone-496 features 2 FXS ports each with independent SIP accounts.

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* The ATA496 does not currently support presentation of caller ID for incoming calls via the PSTN port.

• 2 FXS Ports (Telephone or Fax)
• SIP 2.0, TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP protocols
• PSTN port for connection to your analogue line - automatic switchover to landline in the event of an Internet failure
• Built-in router, NAT and gateway - ideal for cable modem users
• NAT traversal using IETF STUN and symmetric RTP (compatible with Cisco's ATA-186)
• Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality
• One LAN port, one WAN port and 2 FXS interfaces for any analog telephones, cordless phones and fax machines
• Interoperable with various 3rd party SIP and user devices, Proxy/Registrar/Server, and gateway products
• Advanced and patent pending adaptive jitter buffer control, packet delay and loss concealment technology
• Popular codecs including G.723.1 (5.3k/6.3k), G.729A/B, G.711 (a-law and u-law), G.726 and G.728. Dynamic negotiation of codec and voice payload length
• Standard voice features such as Caller ID Display or Block, FLASH, in-band and out-of-band DTMF (RFC2833), Dial Plans, off-hook auto dial, entry dial, click-to-dial
• Acoustic echo cancellation, voice mail with indicator, downloadable ring tone (pending)
• Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168) and AGC (Automatic Gain Control)
• DIGEST authentication and encryption using MD5 and MD5-sess
• Provide easy configuration thru manual operation (attached analog phone keypad and voice prompt, Web interface) or personalised automated provisioning via central configuration file for mass deployment
• Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
• NAT-friendly remote software upgrade capability (via tftp) even from behind firewalls/NATs

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