Pre-purchase research/shopping
Inbound questions/information (pre-purchase)
Outbound marketing (ad campaigns, social, etc)
Transaction/Purchase
Customer support
Technical/product support
Customer retention interactions (winback calls, complaint reversal, etc)
Loyalty/rewards programs
Proactive offers/sales/upgrades
Proactive customer support
Customer feedback (comments on social media, etc)
Customer feedback (surveys/active request)
Cancellation (when the business/customer part ways)
Other