The Main Account SID that created the IncomingPhoneNumber resource to update. For more information, see Exchanging Numbers Between Subaccounts. Pattern: ^AC[0-9a-fA-F]{32}$ Min length: 34 Max length: 34

The Twilio-provided string that uniquely identifies the IncomingPhoneNumber resource to update. Pattern: ^PN[0-9a-fA-F]{32}$ Min length: 34 Max length: 34

The SID of the Account that created the IncomingPhoneNumber resource to update. For more information, see Exchanging Numbers Between Subaccounts. Pattern: ^AC[0-9a-fA-F]{32}$ Min length: 34 Max length: 34

The API version to use for incoming calls made to the phone number. The default is 2010-04-01.

The SID of the application that should handle SMS messages sent to the number. If an smsapplication_sid is present, we ignore all of the sms*_url urls and use those set on the application. Pattern: ^AP[0-9a-fA-F]{32}$ Min length: 34 Max length: 34