Simbye does not provide an eSIM plan for Oman that includes a local phone number or SMS capability. Travelers can only purchase data‑only eSIMs from this provider. They can still use popular VoIP applications such as WhatsApp, Telegram, and iMessage over the data connection for calls and messaging, but some destinations may block or restrict specific apps or VoIP services, so buyers should confirm that these services will work in Oman before purchasing.