MobiMatter does not offer any eSIM plan for Gabon that includes a mobile phone number, inbound or outbound voice, or SMS service. Only data‑only plans are available from the provider for this destination. Travelers who need to make calls or send texts can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection, but it is advisable to confirm that the particular app is accessible in Gabon before purchasing, as some destinations may block or restrict certain services.