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Updated 21 Oct 2026

Working with Personal and Group Calls

Step-by-Step Guides for Calls

How to Call Another User?

  • Open the user's card in the Contacts section and click the call button.
  • In a personal chat with the user, click the call button.
  • In a group chat, select a participant from the list and click the call button.
  • Find the call in the Calls section and click on it.
  • On your phone, open the contact in the device phone book and choose to call via eXpress. The appearance of the contact card and the item names depend on the phone model and OS version.
  • If SIP telephony is integrated on
    CTS
    /
    eCTS
    , press your colleague's internal number in their card or open the dialer in the Calls section.
Adding a third participant turns the personal call into a group call.

How to Accept a Personal Call?

To accept an incoming call, click or tap the green phone button.

What Happens If I Get a Call During Another Call?

In mobile apps, an incoming call appears on top of the current call. If you accept it, the current call will end, and you will leave the conference. You can't put the current call on hold. If you reject the call, you stay in the current call.

Why Did the Call Finish Even Though I Didn't End It?

A call or conference could be ended for all participants. In mobile apps, a window appears after this: Participant ended the call or Admin ended the conference, with the name of the person who did it. The Member profile or Admin profile button opens their profile.

If the call was ended from the server administrator panel, the window shows “Admin” instead of a name and has no profile button.

How to Start a Group Call

  • Create a new or select an existing group chat.
  • Add the desired users to the chat.
  • Click the call button in the chat header, select participants, and confirm the call.

Alternative method: Add participants to a personal call to turn it into a group call.

How to Accept a Group Call?

  • Click or tap the green phone button for an incoming call.
  • If a call is ongoing in a group chat, the chat avatar will turn green. Open the chat and select Join.
  • If you missed a call, find it in the Calls section, open it, and select Join.
  • Use the invitation link for the call and log in to the app or join as a guest.

Group Call Chat (Room)

In group calls, you can exchange messages and files. To open the room of a completed call, find it on the Calls tab in the Calls section.


Call List

The list of active, completed, and missed calls is available in the Calls section on the Calls tab. You can:

  • View the chat room of a completed group call.
  • Resume a completed call.
  • Call a contact again by selecting a personal call.

The call list can be cleared.