GIGAGO does not offer any Republic of the Congo eSIM plans that include a phone number or SMS capabilities. The available eSIMs are data‑only, allowing travelers to access the internet. If voice or messaging is needed, users can rely on VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection; however, some destinations may block or restrict specific apps or VoIP services, so it is advisable to verify the accessibility of such services in Republic of the Congo before purchasing.