认证标准
| 安全 |
UL 60950, CSA 22.2 60950, EN 60950, IEC 60950, ACA TS 001, AS/NZS 60950 |
手机功能
| 呼叫代接 |
Y |
| 通话保持 |
Y |
| 会议呼叫能力 |
Y |
| 振动提示 |
Y |
| 呼叫等待 |
Y |
| 主叫号码 |
Y |
| 频段 |
2.4/5 GHz |
| 特殊振铃 |
Y |
| 呼叫驻留 |
Y |
| 打印行列数 |
6 lines |
技术细节
| 包括支架 |
Y |
| 最大户外范围 |
313 m |
| 数据传输速度 |
54 Mbit/s |
| 装置锁定 |
Y |
| 需要互联网连接 |
Y |
| 免提听筒电话 |
Y |
| 手机类型 |
Wireless handset |
联网
| 系统日志 |
Y |
| 无线局域网连接 |
Y |
| 动态主机配置协议客户 |
Y |
| 支持服务质量（QoS） |
Y |
| 蓝牙 |
N |
能量控制
| 电源转换器输入电压 |
100 - 240 V |
| 接受频率 |
50 - 60 Hz |
| 待机时间 |
150 h |
| 会话时间 |
11.5 h |
| 支持以太网（PoE） |
N |
视频
| 视频编解码器 |
G.711a, G.711u, G.729a, G.729ab, G.722, iLBC |
7921G ETSI, 5.08 cm (2 ") , 176 x 220, 802.11a/b/g, Caller ID, QRT, QoS, CCKM, 100 - 240V AC
Cisco ® Unified Communications is a comprehensive IP communications system of voice, video, data, and mobility products and applications. It enables more effective, more secure, and more personal communications that directly affect both sales and profitability. It brings people together by enabling a new way of communicating in which your business moves with you, security is everywhere, and information is always available whenever and wherever it is needed. Cisco Unified Communications is part of an integrated solution that includes network infrastructure, security, mobility, network management products, lifecycle services, flexible deployment and outsourced management options, end-user and partner financing packages, and third-party communications applications.
The power of Cisco Unified Communications extends throughout the enterprise with a powerful, converged wireless solution with intelligent wireless infrastructure and an innovative product: the new Cisco Unified Wireless IP Phone 7921G (Figure 1). The device delivers on-campus mobility to users using the voice-over-wireless LAN.
<b>Features</b>
The Cisco Unified Wireless IP Phone 7921G supports a host of calling features and voice-quality enhancements. The device is an advanced media IP phone, delivering wideband audio capabilities. In addition to wideband audio, Cisco Unified Wireless IP Phone 7921G supports presence, which enables users in a mobile Wi-Fi environment to view the current status of other users. Because the Cisco Unified Wireless IP Phone 7921G is designed to grow with system capabilities, features will keep pace with new system enhancements. Table 1 provides a list of the features, Table 2 summarizes wireless characteristics, Table 3 lists specifications, Table 4 lists accessories, and Table 5 provides certification and compliance information.
