RCL ReCaLl是什么意思

网络释义

1)RCL ReCaLl,重呼，二次呼叫2)ringback,二次呼叫3)recall,二次呼叫，重呼，选出，取消4)forward recall signal,正向重呼信号，前向二次呼叫信号5)operator recall,话务员二次呼叫6)recall,二次呼叫调出