手机功能
| 重拨 |
Y |
| 特殊振铃 |
Y |
| 主叫号码 |
Y |
| 呼叫等待 |
Y |
| 快速拨号 |
Y |
| 会议呼叫能力 |
Y |
| 挂机拨号 |
N |
| 对话机 |
Y |
| 通话保持 |
Y |
| 请勿打扰功能 |
N |
视频
| 视频捕捉分辨率 |
640 x 480 pixels |
| 视频捕获速度 |
30 fps |
| 视频编解码器 |
H.264/AVC |
技术细节
| 扩展模块的支持 |
Y |
| 键盘按键数目 |
12 |
| 免提听筒电话 |
Y |
联网
| 支持服务质量（QoS） |
Y |
| 动态主机配置协议客户 |
Y |
| 蓝牙 |
Y |
| 支持网络协议 |
DHCP, TFTP, SRTP, TLS, RTCP |
| 系统日志 |
Y |
认证标准
| 遵守工业标准 |
IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11d, IEEE 802.1X, IEEE 802.11, IEEE 802.11h |
另外
| 呼叫能力 |
Y |
| 以太网连接器 |
Y |
| 以太网路(RJ-45)连接接口数量 |
2 |
IP Phone 9971, 802.11a/b/g Wi-Fi, Bluetooth, Radio & 2 USB, Slimline Handset, Charcoal
Product Overview
The Cisco Unified IP Phone 9971 is an advanced collaborative media endpoint that provides voice, video, applications, and accessories. Highlights include interactive multiparty video, high-resolution color touchscreen display, High-definition voice (HD voice), desktop Wi-Fi connectivity, Gigabit Ethernet and a new ergonomic design and user interface designed for simplicity and high usability. Accessories, sold separately, include the Cisco Unified Video Camera and the Cisco Unified IP Color Key Expansion Module.
Features and Benefits
Key attributes of the Cisco Unified IP Phone 9971 include:
- Newly developed ergonomic design and user experience designed specifically for use with the high-resolution, VGA, graphical, backlit, anti-glare, color touchscreen display
- H.264 video support for two-way standard-definition calling with USB support for the Cisco Unified Video Camera (Note: Multiparty video communications supported with Multipoint Control Unit)
- Choice of 802.11 a/b/g desktop Wi-Fi connectivity or Gigabit Ethernet network connectivity and switch port available for a downstream PC
- Embedded Bluetooth radio and 2 USB ports for added freedom and convenience, with support for both wireless and wired headsets
- Firmware support for XML and MIDlet-enabled applications
Table 1 lists the features and benefits of the Cisco Unified IP Phone 9971.
