This Internet telephone adaptor comes with a network interface set up by network for DHCP, PPPoE, or fixed IP network environment for connection to the network. It comes with auto configuration support (plug-n-play for no user setup when network access is available). Smart firmware management support is provided to eliminate the need for manual firmware upgrade.

• Message prompts for ATA status (report IP address).
• Compatibility in multi- vendor open architecture VoIP networks.
• Dynamic DNS (DDNS) support for the use of domain name instead of IP address.
• NTP and redundant DNS servers support .
• QOS support (Diff-Serve, 802.1p/q VLAN).
• NAT/ firewall traversal support with session border controller or stun server.
• SIP standardization deployed throughout.
• Advanced audio processing - jitter buffer with packet delay and packet loss concealment.
• Voice packetization and flexible codec compression.
• Dynamic and automatic negotiation of codec selection.
• LAN Bridge – built in 2-port Ethernet hub.
• FXS port for interface to a normal PSTN phone.
• Bypass port for interface to a PSTN line (Optional).
• PSTN caller ID signal generation for VoIP calls.
• Calls from FXS port to both VoIP and PSTN networks.
• Call transfer, call forward, call waiting for VoIP calls.
• Easy local user customization of options - via web browser interface.
• Open system SIP VoIP architecture for seamless integration into multi-vendor VoIP networks.
• Standards include: SIP 2.0, TCP/UDP/IP, RTP/ RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, MD5 authentication.
• Codec supported: G.711(a-law/u-law), G.729A/B, G.723.1, GSM FR
• DTMF dialing in the format of RFC 2833, SIP Info, or In-band DTMF signals.