| 硬件特性 |
| LAN |
1 x 10/100Mbps RJ-45 port (Power Over Ethernet 802.3af compliant) |
| PC |
1 x 10/100Mbps RJ-45 port |
| LCD 显示屏 |
2 x 16 characters |
| 扬声器 |
Full duplex hands free speaker phone |
| 协议与标准 |
| 国际标准 |
SIP 2.0 (RFC3261), MD5 for SIP authentication (RFC2069 / RFC 2617), SIP outbound proxy, SIP NAT Traversal Support STUN (RFC3489) |
| 语音编码器 |
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 & CNG to G.729
|
| 视频编码器 |
Voice activity detection (VAD)
Comfort noise generation (CNG)
Acoustic echo canceller (AEC)
G.165: Line echo canceller (LEC)
Jitter Buffer
|
| 辅助功能 |
Caller ID
3-way conference
Immediate (unconditional) call forwarding
Busy call forwarding
No answer calls forwarding
Call Hold / Waiting / Transferring
|
| 通话记录 |
Record incoming call
Outgoing call
Missed (not accepted) call history
|
| 协议 |
SIP v1 (RFC2543), v2(RFC3261), TCP / IP, UDP / RTP / RTCP, HTTP, ICMP, ARP, RARP, DNS, DHCP, SNTP, PPPoE |
| 网络设定 |
| 访问模式 |
Static IP, PPPoE, DHCP |
| 管理 |
Web, LCD menu keypad, Telnet, auto-provision by TFTP / FTP / HTTP |
| 尺寸 (W x D x H) |
184 x 200 x 48 mm |
| 工作温度 |
0~45 degrees C, 0~95% humidity |
| 电源要求 |
5V, 1A DC |
| EMC / EMI |
FCC, CE Class B |
