| 摘要 |
Provided in embodiments of the present invention are a method and device of establishing a multi-group call. The method comprises: determining to establish, by a first mission critical push to talk over (MCPTT) server, a multi-group call involving N MCPTT groups, the N being an integer greater than or equal to 2; transmitting, by the first MCPTT server, a call message to a first UE, the call message being used to add the first UE to the multi-group call, wherein a first MCPTT user is a related user of the first UE, and is any one of MCPPT users in the N MCPPT groups, thus realizing the multi-group call between the N MCPPT groups. |
