多项选择题
A. status of coworkers before placing a call
B. Connect feature in Communications Manager Express
C. IM contacts imported to an IP Phone
D. click-to-dial access only for WebEx meetings
E. Screen Pops for incoming calls
多项选择题 Which three of the following are bundled components in the SPA9000 Voice system?（）
多项选择题 Which three are the phases of the Cisco Smart Business Roadmap?（）
单项选择题 The Cisco 521 Wireless Express Access Point used in the Smart Business Communications System can be configured to operate in which mode?（）