试呼 meaning in Chinese

attempted call
call attempt

Attempts per circuit per hour
每条电路每小时试呼次数
Busy hour call attempt bhca
忙时试呼次数
Call attempt by a user
试呼用户的
The following factors may affect the measurement of telephone traffic : mobile traffic ( for some countries this is included ) ; whether total attempted or completed calls are used ; whether calls to directory and other services are included and whether both automatic and manually placed calls are included
下列因素可能会影响话务量的度量：移动话务量（一些国家中包含了此项）；使用的是总试呼还是完成通话数；按目录呼叫或其他业务呼叫是否包含进去以及是否包含了自动和手动接通的电话呼叫数。