You can send a plain text message to someone who is using another instant messaging app. If they're using Jabber, Pidgin, or another supported XMPP app or if they're using Skype for Business or another SIP federated app. Your organization's administrator can enable instant messaging for specific domains or organizations.
You can't create a new space with Webex App on mobile or web. However, when you create the space using the desktop apps, you can use the mobile and web apps to send and receive messages in the space.
For messages to other people who are using Webex App, see Webex App | Start a conversation.
Go to Messaging , click , and then choose External Instant message.
Enter an instant messaging address, and click Create. Then, type and send your message.
Some of the options are different for these type of spaces: