Abstract: The disclosure discloses a session processing method, which includes: a wireless Access Terminal (AT) supporting wireless video sends a cluster user participation command to a conference control center, wherein the command includes an identifier of a cluster user which is invited to participate in a video conference; the conference control center sends an invitation to a cluster terminal corresponding to the identifier of the cluster user through a Push To Talk Dispatch Server (PDS); the cluster terminal which receives the invitation returns an Acknowledgement (ACK) response to the PDS when the cluster terminal agrees to participate in the video conference and establishes a link with the PDS; and session interaction between the AT and the cluster terminal is performed based on the link. The disclosure also discloses a session processing system.

Abstract: The disclosure discloses a session processing method, which includes: a wireless Access Terminal (AT) supporting wireless video sends a cluster user participation command to a conference control centre, wherein the command includes an identifier of a cluster user which is invited to participate in a video conference; the conference control centre sends an invitation to a cluster terminal corresponding to the identifier of the cluster user through a Push To Talk Dispatch Server (PDS); the cluster terminal which receives the invitation returns an Acknowledgement (ACK) response to the PDS when the cluster terminal agrees to participate in the video conference and establishes a link with the PDS; and session interaction between the AT and the cluster terminal is performed based on the link. The disclosure also discloses a session processing system.