When you block external communication for your users, the following applies for this setting:

  • Is applied to new spaces.

  • For existing spaces, existing people are not removed and the setting is applied to people joining these existing spaces. This applies to spaces owned by your organization and existing spaces owned by external organizations.

  • When people leave group spaces and try to rejoin the group spaces the settings are applied.

  • Does not apply to bots.

1

From the customer view in https://admin.webex.com, go to Settings.

2

Scroll to External Communication and click Block your users from inviting external contacts to Webex spaces and prevent your users from joining external Webex spaces.

3

Click to confirm the acknowledgment and select Done.

4

Create a list of allowed domains, enter a domain, to confirm the status of the domain click Check domain, and then click Add.

5

Click Save.

Users in your organization can communicate with users in external organizations in the allowed domains list. Users in your organization can do the following:

  • Add people from these organizations into spaces owned by your organization.

  • Join spaces owned by these external organizations.

  • Create spaces with people from these external organizations.


When users from your organization start to share a space with users in an external organization using a Cisco Webex board, the allowed domains list is not applied and the space is not shared.

1

From the customer view in https://admin.webex.com, go to Settings.

2

Scroll to External Communication and select Block your users from inviting external contacts to Webex spaces and prevent your users from joining external Webex spaces.

3

Click to confirm the acknowledgment and select Done.

4

Create a list of allowed domains, enter a domain, check the status of the domain click Check domain, and then click Add.


 

For more information on claimed domains, see Add, Verify, and Claim Domains.

5

Enable Group Spaces.

6

Click Save.

Users in your organization can do the following:

  • Add people from these external organizations into spaces owned by your organization.

  • Create or join spaces with one person from these external organizations.

Users in your organization can't be invited to group spaces owned by another organization. This ensures that for compliance your organization has access to all data generated by participants across spaces.

1

From the customer view in https://admin.webex.com, go to Settings.

2

Scroll to External Communication.

3

Select Block your users from inviting external contacts to Webex spaces and prevent your users from joining external Webex spaces.

4

Click to confirm the acknowledgment and select Done.

5

Click Save.

All users in your organization are restricted from communicating with anyone in external organizations.

People in your organization may be able to make calls to external people in the following scenarios:

  • If your users make calls using a Webex SIP address. For more information, see Cisco Webex SIP Addresses.

  • If you have an on-premises call environment and assign Hybrid Calling to your users. For more information, see the Deployment Guide for Cisco Webex Hybrid Call Service.

  • If you have cloud calling through Cisco Webex Calling (formerly Spark Call) and assign the Cisco Webex Calling (formerly Spark Call) service to your users.