You can choose if your users can communicate in Webex App with people using messaging apps that support XMPP.
Webex App supports Extensible Messaging and Presence Protocol (XMPP) with third party apps that recognize XMPP. For example, Jabber and Pidgin. Your users can communicate with people who are using XMPP apps.
DNS service with associated XMPP SRV record
Enable settings in Control Hub
Things to Keep in Mind
Your users can only create a space with one person using XMPP, creating group spaces is not supported.
When your users add people using XMPP, Webex App users don't see any availability for XMPP users and XMPP users see Webex App users as Away.
End-to-end encryption is not available for third party federated users.
TLS encrypted connections between Webex App and external XMPP services is only available when the external service allows unauthenticated TLS.
Any configuration you applied to block external communication for your organization also applies for XMPP federation.
From the customer view in https://admin.webex.com, click Messaging.
Scroll to XMPP Federation and do the following:
Enable XMPP Federation.
A Jabber ID is created for each user in your organization using information from the user's email address and your XMPP domain in the format Username@
For example: a user with an email address firstname.lastname@example.org and an XMPP domain example, the Jabber ID is
You can change this for individual users. Go to Users, choose a user, and under Services choose Messaging. Update the username in the Jabber ID.