公开(公告)号：US10542391B2

公开(公告)日：2020-01-21

申请号：US15326765

申请日：2014-08-26

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： Zhi-Chao Zhang ,  Yi Peng ,  Ya-Ming Wu ,  Jin-Qing Ye ,  Hong-Hong Zhu

IPC: H04L29/04 ,  H04M3/56 ,  H04W4/10 ,  H04L29/08 ,  H04M1/27

Abstract: A method in a call information server for a two-way radio system includes accessing, by the server, group list information associating the plurality of subscriber units with one or more groups; receiving, at the server, updates related to presence information, availability information, and the group list information; and confirming, by the server, for each particular subscriber unit indicated in a particular group list as forming a particular group, the particular subscriber unit's participation in a particular group call to the particular group, as a function of the presence information, the availability information, and the group list information. A call information server and a two-way radio system are also disclosed.