Roamify offers several eSIM plans that provide a phone number and SMS capability for Australia. These plans range from 1 GB to 20 GB of data, with validity periods between 7 days and 365 days, and prices from $15.00 USD to $105.00 USD. The phone numbers come with dialing codes +61, +44, +1, and +33. All listed plans allow inbound and outbound calls, as well as inbound and outbound SMS. Users who need specific call or SMS functionalities are advised to confirm details directly with Roamify.