语音组呼业务 VGCS ; Voice group calling service

寻呼业务 Paging ; paging service

双呼业务 Click to Dial

强化群呼业务码 enhanced group call service code

个人无线寻呼业务 personal radio paging service ; personal radio signaling service

音组呼业务 Voice Group Call Service

无线寻呼业务 wireless paging service

公众无线电寻呼业务 public radio paging services

袖珍铃无线电寻呼业务 pocket bell radio paging service

自动呼叫卡业务 automatic calling card service