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Updated 14 Oct 2026

Links to Chats/Calls

CTS
eCTS

In this section, you can specify your own host for invite links to chats and calls instead of the default one. The minimum access level to it is also configured here. xlnk.ms is used for other links:

Level Description
public A link with any access receives the specified host
corporate A link with access for any corporate users gets the specified host. xlnk.ms is used for public users and guests.
trusts A link with access for users of the current corporate server and trusted servers gets the specified host. For everyone else, xlnk.ms is used.

What is the xlnk.ms?

It is the default link host xlnk.ms owned by eXpress, which is located in a Russian data center.

Do I Need ETS to Set Up My Own Link Server?

No. You can deploy your own link server even without a branded ETS application. Specifying the ETS ID in the link server settings is optional.

Guests on the Current Server

Enable the Generate links for guest users to this server option. From now on, guest users with new links connect through this corporate server instead of
RTS
.

Do I Need to Create Guest Accounts in Advance?

No, they are created on the server automatically when a user connects as a guest.

I Switched Guests to My Server. Will Previous Links Be Redirected?

No. A guest using an old link created before enabling this setting will connect via
RTS
. Send new links to users who will connect as guests.

Do Guest Accounts Consume a License or Require Additional Payment?

Guests and public users aren't licensed. There are no licensing restrictions or additional fees for them.