试题详情
- 单项选择题 Refer to the exhibit. Which option correctly describes the order of signaling and call processing events when a branch employee calls headquarters?（）
A、P，S，T，U
B、U，T，S，P
C、S，U，P，T
D、P，U，S，T
E、S，P，U，T
F、S，P，T，U
- C
关注下方微信公众号，在线模考后查看
热门试题
A、P，S，T，U
B、U，T，S，P
C、S，U，P，T
D、P，U，S，T
E、S，P，U，T
F、S，P，T，U
关注下方微信公众号，在线模考后查看