Detailed Product Description

The ATA has the following interfaces for Networking, telephone interface, LED indication, and power connector. Two RJ-45 Networking interface, these two interfaces support 10/100mps Fast Ethernet. You can connect one RJ-45 Fast Ethernet port to the ADSL or switch, and connect the other one to your computer. Two RJ-11 type analog telephone jack interfaces. One is for user to connect to the phone and the other OS for user to connect to the PSTN line. LED indication: there are three LED indicators in the TA to show the power, register, and off-hook indication.

Network protocol
SIP v1 (RFC2543), v2 (RFC3261)
IP/TCP/UDP/RTP/RTCP
IP/ICMP/ARP/RARP/SNTP
TFTP client/DHCP client/ PPPoE client
Telnet/HTTP server
DNS client
NAT/DHCP server
Codec
G.711: 64k bit/s (PCM)
G.723.1: 6.3k / 5.3k bit/s
G.726: 16k / 24k / 32k / 40k bit/s (ADPCM)
G.729A: 8k bit/s (CS-ACELP)
G.729B: adds VAD and CNG to G.729
Voice quality
VAD: voice activity detection
CNG: comfortable noise generator
LEC: line echo canceller
Packet loss compensation
Adaptive jitter buffer
Call function
Call hold
Call waiting
Call forward
Caller ID
3-way conference
DTMF function
In-band DTMF
Out-of band DTMF
SIP info
SIP server
Registrar server (three SIP account)
Outbound proxy
Tone
Ring tone
Ring back tone
Dial tone
Busy tone
Programming tone
Phone function
Volume adjustment
Speed dial key
Phone book
Flash

IP assignment
Static IP
DHCP
PPPoE

Security
HTTP 1.1 basic/digest authentication for Web setup
MD5 for SIP authentication (RFC2069/ RFC 2617)
QoS
ToS field
NAT Traversal
STUN
Configuration
Web browser
Console/Telnet
IVR/keypad
Firmware upgrade
TFTP
Console
HTTP