全呼 meaning in English

general calling

System wide call
系统全呼
All call button
全呼按钮
All call evac
全呼撤离
All call rage
全呼寻呼
The internal user can call single user , a group of users and all of users by dialing different numbers . call pertinence is improved and the disturbance to others is not existed
而且具有拨号功能，拨号简便、快捷，对内部用户实现了单呼、群呼、全呼三种呼叫方式，提高了呼叫的针对性，消除了对非被叫用户的干扰。