单选题Which Cisco collaboration product line will reduce TCO. Improve the user experience andproductivity, and increase business relevance?（）A customer careB conferencingC messagingD telepresenceE IP communications
题目
单选题
Which Cisco collaboration product line will reduce TCO. Improve the user experience andproductivity, and increase business relevance?（）
A
customer care
B
conferencing
C
messaging
D
telepresence
E
IP communications