Hi Jason,
User changes are logged in the audit events delivered via EventBridge and Web Socket (topic: v2.audits.entitytype.{id}.entityid.{id}), see this idea user changes
However, based on the details you shared here, these notifications won't work for you, unfortunately. Instead, let's try modifying the role assigned to the supervisor. Please check whether your supervisors have custom roles assigned to their profiles and whether the permission Telephony > Extension > Assign (Assign extensions to people) is included in any of them. Could you remove this permission from the role(s) used by the supervisors and see if that helps?
Thanks,
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Tatjana Knezevic
www.startelecom.cloudhttps://www.linkedin.com/company/star-telecom-www-startelecom-ca-/------------------------------