VoIP шлюз

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