| 端口 |
| LAN 端口 |
2 x 10/100Base-T Ethernet ports |
| 语音端口 |
4 x E1 / T1 |
| 协议与标准 |
| 呼叫信号控制 |
SIP 2.0 RFC2543/(RFC3261, ITUT H.323 v3 and H.450 compliance |
| 语音编码 |
G.711A/�-law, G.723.1 (5.3k/6.3k), G.729A |
| 支持Fax |
Automatic voice / Fax detection
H.323 / SIP T.38 fax relay
ECM Support
T.38 during fast connect |
| VoIP特性 |
| 语音处理 |
VAD (Voice Activity Detection)
CNG (Comfort Noise Generation)
G.168 echo cancellation
Configurable audio payload size
Adaptive Jitter Buffer
Silence suppression
Gain control |
| 语音流量转换 |
H.323 to H.323 Call
H.323 to PSTN Call
H.323 to SIP Call
PSTN to H.323 Call
PSTN to PSTN Call
PSTN to SIP Call
SIP to H.323 Call
SIP to PSTN Call
SIP to SIP Call
VoIP to VoIP RTP un-Routed
VoIP to VoIP RTP Routed |
| DTMF 传输 |
Transparent
H.245 signal/ Alphanumeric
H.323 Q.931 UUI
RFC 2833
SIP INFO |
| IVR/呼叫流程控制 |
Built-in IVR system
Web-based GUI Drag and Drop interface
Full control of call behavior
PSTN / VoIP IVR functions
Support time duration and balance play back
Powerful call information branch
Collected information validation |
| 管理 |
| 管理界面 |
Console port, TELNET and Web Browser (HTTP/HTTPs)
Front panel LCD display
User account management
Real time monitor
Password Security
SNMP v2 Trap support |
| AAA（认证/授权/计费） |
Built-in AAA mechanism, and external RADIUS AAA support |
| 环境 |
| 工作温度&湿度 |
Temperature: 0~50 degrees C (operating)
Humidity: 5 to 95% (non-condensing) |
| 认证 |
EMI: FCC part 15, CE / PTT: FCC part 68 |
