MobiMatter does not provide a Trinidad and Tobago eSIM that includes a local phone number or SMS capability. Only data‑only plans are available from this provider. Travelers can use VoIP applications such as WhatsApp, Telegram, and iMessage over the data connection for calls and messaging, although some destinations may block or restrict specific apps or VoIP services. It is advisable for travelers to verify that the applications they rely on will work in Trinidad and Tobago before purchasing an eSIM.