{"id":119774,"date":"2026-10-15T10:32:35","date_gmt":"2026-10-15T08:32:35","guid":{"rendered":"https:\/\/travelesim.ch\/en\/help\/calls-sms-whatsapp\/"},"modified":"2026-10-15T10:32:35","modified_gmt":"2026-10-15T08:32:35","slug":"calls-sms-whatsapp","status":"publish","type":"tesim_help","link":"https:\/\/travelesim.ch\/en\/help\/calls-sms-whatsapp\/","title":{"rendered":"Can I make calls, send SMS or use WhatsApp?"},"content":{"rendered":"<p>A data-only plan gives you mobile internet but no local phone number. The plan type is shown in the plan details.<\/p>\n<ul>\n<li><strong>Calls and messages through apps<\/strong> work normally: WhatsApp, Telegram, Signal, FaceTime, iMessage, Messenger and similar.<\/li>\n<li><strong>Your own number<\/strong> stays in the phone. You can still receive calls and SMS on it, for example bank codes. Your home operator may charge for this abroad.<\/li>\n<\/ul>\n<p>Tip: if WhatsApp or iMessage asks to verify your number, keep your home line switched on.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Most plans are data only. Apps such as WhatsApp, FaceTime and Telegram work over the data connection.<\/p>\n","protected":false},"menu_order":30,"template":"","tesim_help_topic":[10128],"class_list":["post-119774","tesim_help","type-tesim_help","status-publish","hentry","tesim_help_topic-using"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Can I make calls, send SMS or use WhatsApp? - Travel eSIM<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/travelesim.ch\/en\/help\/calls-sms-whatsapp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Can I make calls, send SMS or use WhatsApp? - Travel eSIM\" \/>\n<meta property=\"og:description\" content=\"Most plans are data only. 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