Normalization or address normalization in Genesys Cloud supports the ability for a user to paste a phone number or a SIP address  into a “call” field in the user interface. Genesys Cloud uses regular expressions to “normalize” the user input so that the system can call using the correct syntax. For example, a user can paste “sip:+19196669811@;user=phone” and the system uses a regular expression to normalize the address to tel:19196669811.