To no longer receive Incident Manager engagements to a contact channel, you can deactivate the channel
Source:R/ssmcontacts_operations.R
ssmcontacts_deactivate_contact_channel.RdTo no longer receive Incident Manager engagements to a contact channel, you can deactivate the channel.
See https://www.paws-r-sdk.com/docs/ssmcontacts_deactivate_contact_channel/ for full documentation.