MyTravel eSIM does not provide an eSIM plan for Guinea‑Bissau that includes a phone number or SMS capability. Only data‑only eSIM plans are available for this destination. Travelers who need voice or messaging can use popular VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection, but they should verify that these services are accessible in Guinea‑Bissau before purchasing, as some destinations may block or restrict certain apps.