yaySIM does not provide a Jamaica eSIM that includes a local phone number or SMS capability. The provider only offers data‑only eSIM plans for travelers going to Jamaica.
For communication, travelers can rely on data‑based VoIP services such as WhatsApp, Telegram, or iMessage. These apps can generally be used over the data connection for voice and messaging, although some destinations may restrict access to certain apps or VoIP services, so it is advisable to confirm that the services used are available in Jamaica before purchasing a plan.