call-in

详细解释:n. 观众/听众通过电话参与讨论或提问的电视节目/广播节目
【计】 调入

英语解释：

名词 call-in:

a telephone call to a radio station or a television station in which the caller participates in the on-going program

动词 call-in:

summon to enter同义词：call in