# Address book
Tap the Contacts button at the bottom of the application window.
# User statuses
Every user in the address book will be displayed with one of the following statuses:
— online
— online from a smartphone or tablet
— online from a hardware or software SIP/H.323 endpoint
— recently active: a status for the users who were previously logged in using their mobile app but are currently offline
— the owner of an ongoing conference
— busy (currently participates in a video call or conference)
— Away (away from keyboard for a certain time period, 15 minutes by default)
— Do Not Disturb (can be set manually by a user)
— offline
— unknown (e.g., an account does not exist or is created on an external server which is not federated with your server instance. This status may also be assigned to an existing user on the same server which has not been yet added to the address book).
# Avatars
If there is no avatar set for a contact, you will see one of the following default avatars in the address book depending on the type of connection:
— the user display name (initials)
— RTSP camera
— phone
— SIP/H.323.
# Quick preview
Tap and hold on a contact icon in the address book to open the quick preview window. Here, you can call the selected contact, send a message or block the user. Click on the profile avatar to view detailed information about the contact.
# User profile
To go to a user profile, select a contact in the address book and tap the 
button which is displayed on the contact’s avatar or use quick preview. Here, you will be able to:
View the user's name, TrueConf ID and status
Call the user
Open the chat, search for a message within the chat or clear its history (tap on the More button)
Block or delete the user (by tapping on the More button)
View the call history with this user.
# How to find a contact
To find a contact, enter this person’s TrueConf ID or name in the search box. The result will be displayed in place of the address book.
# How to add a new contact
To add a user to the address book, find the contact as described above and press the 
button.
Please note that you don’t have to add users manually. Instead, your TrueConf Server administrator can organize your address book and set up user group display automatically.
# How to block or delete a contact
If you want to prevent a user from calling and sending messages to you, proceed to the user profile and tap Ban.
To quickly remove a user from the address book, just swipe left the user's name in the address book.
Alternatively, you can go to the user profile and tap the More → Delete contact button.
# Call history
To view the call and conference history, go to the Calls section.
The call history with a specific user is available in his/her profile and in the standard Phone application in the Recents section.
# Organizing address book
# Address book display
To enable user group display in the address book, you need to enable the Show Groups option in the Options → General section.
# Adding user groups
To create a group, proceed to Options → General → Manage → New, enter the group's name and tap the Create button.
# Editing or deleting groups
To delete or edit a group:
Go to the list of groups in the address book (if they are not visible, enable the group display).
Find your group, tap the
button opposite its name and choose Edit Group or Delete Group in the pop-up menu.
# Global user list
Open your address book and tap the 
button to view the users of other TrueConf Server instances federated with your server.
This menu option may be unavailable if integration with TrueConf Directory has not been configured on the server.