Method, system and device for recording role information of honeycomb press key calling user
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HUAWEI TECH CO LTD
- Publication Date
- 2011-01-05
Smart Images
Figure 1 Figure 2 Figure 3
Abstract
Description
Method, system and device for recording cellular push-to-talk user role information technical field The present invention relates to a push-to-talk over cellular (PoC, PushtoTalkoverCellular) technology, in particular to a method, system and device for recording user role information in a PoC service. Background technique The PoC service is a clustered media communication service based on IP (Internet Protocol, Internet Protocol) technology, which is implemented by using a bearer network and half-duplex VoIP (Voice over IP, voice over IP) technology. Referring to FIG. 1 , in a PoC system, each user terminal 110 accesses a wireless network 130 through its corresponding base station 120 . After setting the group list, the user can conduct point-to-point or point-to-multipoint half-duplex communication with other PoC users through the user terminal 110 . Please refer to FIG. 2 , which is a block diagram of a PoC system in the prior art. In the PoC system, a PoC client (C...