GigSky does not offer an eSIM for Trinidad and Tobago that includes a local phone number or SMS capability. Travelers can only purchase data‑only plans from this provider, which can be used with VoIP applications such as WhatsApp, Telegram, and iMessage for calls and messaging. However, because some destinations may block or restrict access to certain VoIP services, it is advisable to confirm that the applications the traveler relies on will work in Trinidad and Tobago before making a purchase.