yaySIM does not provide eSIM plans for Mauritania that include a phone number or SMS capability. Travelers can only purchase data‑only eSIMs from this provider when visiting Mauritania.
To communicate while in Mauritania, users can rely on VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection. However, some destinations may block or restrict certain apps or VoIP services, so it is advisable to verify that the tools you depend on are accessible in Mauritania before purchasing a plan.