GigSky does not provide an eSIM for Switzerland that includes a local phone number or SMS capability. The provider only offers data‑only eSIM plans for that country.
Travelers who need to send or receive text messages or voice calls can rely on data‑only plans and use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection. Because some destinations may block or restrict access to particular VoIP services, travelers should verify that the apps they intend to use are accessible in Switzerland before purchasing a GigSky plan.