A user can have as many contacts as they want. A user manages a shorter list of contacts in My contacts and also has access to all the registered users in their Amazon Chime account. The extended list of users show up when you take actions such as
Creating a Message
Inviting others to a meeting
Adding members to a room
Please see https://answers.chime.aws/questions/478/how-can-i-manage-my-contacts.html for more details about managing contacts.
View the Amazon Chime User, Administration Guide and API Reference on the AWS Documentation site.
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