1, single call: refers to one-to-one instant intercom of users. Users can directly initiate a call through the intercom button;
2. Predefined group calling: it refers to assigning a preset group on the group management desk and pressing the intercom button to call the preset group, which is characterized in that the members in the group are fixed people;
3. Temporary group calling: refers to temporarily forming a group through the address book in the mobile phone terminal and calling the temporary group by pressing the intercom key;
4. Member priority: During the call, members with higher priority in the group can directly preempt the speech rights of members with lower priority; When high-priority members speak, low-priority members can only queue up to apply for the right to speak, and then give them the right to speak after the right to speak is released;
Function five;
5. Group management desk: the customer administrator logs into Tianyi intercom management portal with a browser to perform functions such as hierarchical authorization of administrators, group management, user management and system configuration.
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