{"id":5405,"date":"2026-10-04T04:00:00","date_gmt":"2026-10-04T04:00:00","guid":{"rendered":"https:\/\/baztel.co\/blog\/?p=5405"},"modified":"2026-09-11T07:38:10","modified_gmt":"2026-09-11T07:38:10","slug":"can-i-make-phone-calls-with-a-data-only-esim","status":"publish","type":"post","link":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/","title":{"rendered":"Can You Make Phone Calls With a Data-Only eSIM? Yes \u2014 Here&#8217;s the Full Story"},"content":{"rendered":"\n<p><strong>Quick answer: <\/strong>Yes. A data-only eSIM won&#8217;t give you a phone number for traditional cellular calls. But you can still call and text over the internet, using apps like WhatsApp, FaceTime, or Telegram. Most guides stop there. What they skip is what that actually costs in data, what happens if you need to dial an emergency number, and why your bank&#8217;s SMS code might stop arriving. That&#8217;s what this guide covers.<\/p>\n\n\n\n<p>I&#8217;ve tested data-only eSIMs across 70+ countries while running <a href=\"https:\/\/baztel.co\">BazTel<\/a>. The \u201ccan I call?\u201d question comes up on almost every trip. Here&#8217;s what actually happens, based on that hands-on use and current industry data.<\/p>\n\n\n    <nav id=\"dynamic-toc\" class=\"dynamic-toc\" aria-label=\"Table of Contents\">\n        <strong>Table of Contents<\/strong>\n        <ol id=\"toc-list\"><\/ol>\n    <\/nav>\n    \n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-data-only-really-means\">What \u201cData-Only\u201d Really Means<\/h2>\n\n\n\n<p>A regular SIM ties three things to one card: data, voice, and SMS. All three link to a phone number issued by the carrier. Most travel eSIMs strip that down to just data. There&#8217;s no number attached, so there&#8217;s nothing for a traditional cell tower call to ring.<\/p>\n\n\n\n<p>That&#8217;s not really a flaw. It&#8217;s the trade-off that keeps travel eSIMs cheap. You&#8217;re buying bandwidth, not a phone line. And your phone doesn&#8217;t route calls the way it did in 2010 anymore. Almost everyone you&#8217;d want to reach is already on an app that calls over data.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-four-ways-people-actually-call-with-a-data-only-esim\">The Four Ways People Actually Call With a Data-Only eSIM<\/h2>\n\n\n\n<p><strong>1. VoIP calling apps. <\/strong>WhatsApp, FaceTime, Telegram, Messenger, and Google Meet all place voice and video calls over the internet. None of them touch a cell network. Your eSIM&#8217;s data connection is all they need. This is how most travelers make 90% of their calls abroad.<\/p>\n\n\n\n<p><strong>2. Dual-SIM Wi-Fi Calling. <\/strong>If your phone supports two active lines, keep your home SIM in one slot for calls and texts. Run the eSIM as your data line. Enable Wi-Fi Calling in your carrier settings, and your home number keeps working over the internet instead of roaming. Check with your carrier first \u2014 support and pricing vary.<\/p>\n\n\n\n<p><strong>3. Virtual number apps. <\/strong>Services like Google Voice or a VoIP number app give you a temporary or portable number. You call and text from it using data instead of airtime. Handy if you need a number to hand out, not just an app to open.<\/p>\n\n\n\n<p><strong>4. Keep your physical SIM for calls only. <\/strong>Some travelers leave their home SIM active purely for incoming calls and texts. Data roaming stays switched off, and the eSIM carries all internet traffic. This avoids roaming data fees while keeping your existing number reachable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-much-data-does-a-call-actually-use\">How Much Data Does a Call Actually Use?<\/h2>\n\n\n\n<p>This is the part almost nobody puts a number on. It matters if you&#8217;re deciding how many gigabytes to buy.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Call type<\/strong><\/td><td><strong>Data per minute<\/strong><\/td><td><strong>1-hour cost<\/strong><\/td><\/tr><\/thead><tbody><tr><td>WhatsApp voice call<\/td><td>~0.3\u20130.5 MB<\/td><td>~20\u201330 MB<\/td><\/tr><tr><td>FaceTime audio<\/td><td>~0.5\u20131 MB<\/td><td>~30\u201360 MB<\/td><\/tr><tr><td>WhatsApp video call<\/td><td>~3\u20135 MB<\/td><td>~200\u2013300 MB<\/td><\/tr><tr><td>FaceTime video (HD)<\/td><td>~3\u20135 MB<\/td><td>~200\u2013300 MB<\/td><\/tr><tr><td>Zoom video call<\/td><td>~9 MB<\/td><td>~540 MB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Voice-only calls are cheap. A 1GB eSIM plan can carry roughly 30+ hours of WhatsApp voice calls, with room left over for maps and messaging. Video calls are the real budget-eater. An hour of FaceTime or WhatsApp video can burn a quarter of a small plan in one sitting.<\/p>\n\n\n\n<p>Planning a trip with a lot of video calling home? Size up. BazTel&#8217;s <a href=\"https:\/\/baztel.co\">country eSIM plans<\/a> list data allowances by destination, so you can match the plan to how you&#8217;ll actually use it instead of guessing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-gap-nobody-mentions-emergency-calls\">The Gap Nobody Mentions: Emergency Calls<\/h2>\n\n\n\n<p>Here&#8217;s where most articles on this topic stop short. It&#8217;s the one thing I&#8217;d actually flag as a safety issue.<\/p>\n\n\n\n<p>Emergency calling \u2014 911, 112, 999, and similar numbers \u2014 runs through your phone and the local cell network. It&#8217;s handled separately from your data plan. In most countries, your phone can still reach emergency services without an active voice SIM. Emergency calls get priority routing to any available network in range.<\/p>\n\n\n\n<p>But there are real limits:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>No callback. <\/strong>If the call drops, emergency services generally can&#8217;t call you back without an active voice line.<\/li>\n\n\n\n<li><strong>Some countries require an active SIM. <\/strong>A handful of countries, including Germany and Switzerland, require a valid SIM in the device to place an emergency call at all. This is meant to prevent misuse.<\/li>\n\n\n\n<li><strong>VoIP apps are not a backup. <\/strong>WhatsApp or FaceTime calls don&#8217;t reach 112 or 911. They only work if the other person is reachable \u2014 they don&#8217;t connect to dispatch systems.<\/li>\n<\/ul>\n\n\n\n<p>In the EU, 112 is free and works in every member state from any mobile phone with signal. That&#8217;s confirmed by the <a href=\"https:\/\/europa.eu\/youreurope\/citizens\/travel\/security-and-emergencies\/emergency\/index_en.htm\">European Commission&#8217;s official guidance<\/a>. My practical advice, after crossing a lot of borders on data-only eSIMs: keep your home SIM physically in the phone, even with data roaming off. It costs nothing extra, and it closes this gap completely.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-other-silent-problem-sms-verification-codes\">The Other Silent Problem: SMS Verification Codes<\/h2>\n\n\n\n<p>I come from a finance background, and this one catches travelers constantly. Banks, exchanges, and most 2FA-protected apps send one-time codes by SMS. Those codes go to your registered number, not to an app or an inbox. A data-only eSIM has no number to receive that SMS.<\/p>\n\n\n\n<p>If your home SIM is out of the phone, or roaming is off, those codes simply don&#8217;t arrive. I&#8217;ve watched this lock people out of their own banking app mid-trip. Three fixes, in order of reliability:<\/p>\n\n\n\n<p><strong>1. <\/strong>Switch your bank&#8217;s 2FA to an authenticator app, like Google Authenticator or Authy, before you travel. This removes the SMS dependency entirely.<\/p>\n\n\n\n<p><strong>2. <\/strong>Keep your home SIM active for SMS only, with data roaming off, so codes still land.<\/p>\n\n\n\n<p><strong>3. <\/strong>If your bank supports it, add a secondary email-based verification method as a fallback.<\/p>\n\n\n\n<p>Sort this out before departure. It&#8217;s a five-minute fix at home, and a much longer one from a hotel lobby abroad.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-myth-vs-fact\">Myth vs. Fact<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Myth<\/strong><\/td><td><strong>Fact<\/strong><\/td><\/tr><\/thead><tbody><tr><td>\u201cData-only eSIMs can&#8217;t make calls at all.\u201d<\/td><td>They can&#8217;t use cellular voice, but VoIP calls work fine over the data connection.<\/td><\/tr><tr><td>\u201cWhatsApp calls will reach emergency services.\u201d<\/td><td>No. Emergency numbers route through the cell network, not internet calling apps.<\/td><\/tr><tr><td>\u201cA data-only eSIM changes my phone number.\u201d<\/td><td>It doesn&#8217;t touch your existing number. It just adds a separate data connection.<\/td><\/tr><tr><td>\u201cVideo and voice calls use the same amount of data.\u201d<\/td><td>Video calls typically use 6\u201310x more data per minute than voice calls.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faq\">FAQ<\/h2>\n\n\n\n<p><strong>Can I call a local landline or business with a data-only eSIM?<\/strong><\/p>\n\n\n\n<p>Not directly through the eSIM. You&#8217;d need a VoIP app both sides use, or a virtual number service that can dial out to regular phone numbers.<\/p>\n\n\n\n<p><strong>Will WhatsApp or FaceTime calls show up on my home number&#8217;s bill?<\/strong><\/p>\n\n\n\n<p>No. They travel over your data connection. That&#8217;s covered by whatever data plan is active \u2014 your eSIM, not your home SIM&#8217;s voice minutes.<\/p>\n\n\n\n<p><strong>Can I receive texts on a data-only eSIM?<\/strong><\/p>\n\n\n\n<p>Not standard SMS. iMessage, WhatsApp, and similar apps work fine, since they&#8217;re data-based rather than carrier-based.<\/p>\n\n\n\n<p><strong>Do I need to keep my home SIM inserted while traveling?<\/strong><\/p>\n\n\n\n<p>It&#8217;s not required for VoIP calling. But it&#8217;s the simplest way to keep emergency calling and SMS verification codes working as a backup.<\/p>\n\n\n\n<p><strong>Is a data-only eSIM enough for a two-week trip?<\/strong><\/p>\n\n\n\n<p>For most travelers relying on WhatsApp and app-based calling, yes. Check your expected video-call volume against the data table above before choosing a plan size.<\/p>\n\n\n    <div class=\"about-founder\">\n        <div class=\"founder-info\">\n            <div class=\"author-profile\">\n                <div class=\"author-img\">\n                                            <img decoding=\"async\" src=\"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/01\/Peter-Basil.jpg\" alt=\"Peter\" class=\"founder-img\" width=\"224\" height=\"224\" loading=\"lazy\">\n                                    <\/div>\n                <div class=\"author-social d-md-flex justify-content-between align-items-center\">\n                    <ul>\n                        <li><a href=\"https:\/\/www.facebook.com\/peter.basil.165\" aria-label=\"Facebook profile\" rel=\"noopener noreferrer\" target=\"_blank\"><i class=\"fa-brands fa-facebook\" aria-hidden=\"true\"><\/i><\/a><\/li>\n                        <li><a href=\"https:\/\/www.facebook.com\/baz084\" aria-label=\"Instagram profile\" rel=\"noopener noreferrer\" target=\"_blank\"><i class=\"fa-brands fa-instagram\" aria-hidden=\"true\"><\/i><\/a><\/li>\n                        <li><a href=\"https:\/\/www.linkedin.com\/in\/peter-basil\/\" aria-label=\"LinkedIn profile\" rel=\"noopener noreferrer\" target=\"_blank\"><i class=\"fa-brands fa-linkedin\" aria-hidden=\"true\"><\/i><\/a><\/li>\n                    <\/ul>\n                <\/div> \n            <\/div>\n            <div class=\"founder-details\">\n                <h4>Blog Author<\/h4>\n                <h3 class=\"author-name\">Peter<\/h3>\n                                <div class=\"founder-about-content\">\n                    <p>I&#039;m Peter, the founder of BazTel. I built this company at the intersection of two things I know well: finance and travel. Before starting BazTel, I worked in investment analytics at State Street, one of the world&#039;s largest custodian banks, and later at TCorp, the New South Wales Government&#039;s investment...<\/p>\n                <\/div>\n                <div class=\"author-profile_btn\">  \n                    <a href=\"https:\/\/baztel.co\/blog\/authors\/peter\/\" class=\"view-btn\">View More <i class=\"fa-solid fa-arrow-right-long\" aria-hidden=\"true\"><\/i><\/a>\n                <\/div>                \n            <\/div>\n        <\/div>\n    <\/div>\n    \n","protected":false},"excerpt":{"rendered":"<p>Quick answer: Yes. A data-only eSIM won&#8217;t give you a phone number for traditional cellular calls. But you can still call and text over the internet, using apps like WhatsApp, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5403,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_nuwtonic_replace_meta":[],"_nuwtonic_replace_schema":[]},"categories":[5],"tags":[14,31,15,17],"class_list":["post-5405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-esim","tag-best-esim-cards-for-travelers","tag-esim-for-international-travel","tag-esim-for-travelers","tag-global-esim"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Can You Make Phone Calls With a Data-Only eSIM? Explained<\/title>\n<meta name=\"description\" content=\"Learn the truth about making phone calls with a data-only eSIM. Explore options for calling and texting over the internet.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Can You Make Phone Calls With a Data-Only eSIM? Yes \u2014 Here&#039;s the Full Story\" \/>\n<meta property=\"og:description\" content=\"Learn the truth about making phone calls with a data-only eSIM. Explore options for calling and texting over the internet.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/\" \/>\n<meta property=\"og:site_name\" content=\"BazTel Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/baztel.co\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-04T04:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/09\/Can-I-make-phone-calls-with-Data-Only-eSIM.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"427\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Peter\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Baztel_eSIM\" \/>\n<meta name=\"twitter:site\" content=\"@Baztel_eSIM\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Peter\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/\"},\"author\":{\"name\":\"Peter\",\"@id\":\"https:\/\/baztel.co\/blog\/#\/schema\/person\/537671572fa1e042fe9f2be566c1a330\"},\"headline\":\"Can You Make Phone Calls With a Data-Only eSIM? Yes \u2014 Here&#8217;s the Full Story\",\"datePublished\":\"2026-10-04T04:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/\"},\"wordCount\":1235,\"publisher\":{\"@id\":\"https:\/\/baztel.co\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/09\/Can-I-make-phone-calls-with-Data-Only-eSIM.jpg\",\"keywords\":[\"Best eSIM Cards for Travelers\",\"eSIM For International Travel\",\"eSIM for Travelers\",\"global eSIM\"],\"articleSection\":[\"eSIM\"],\"inLanguage\":\"en-US\",\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\/\/baztel.co\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/\",\"url\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/\",\"name\":\"Can You Make Phone Calls With a Data-Only eSIM? Explained\",\"isPartOf\":{\"@id\":\"https:\/\/baztel.co\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/09\/Can-I-make-phone-calls-with-Data-Only-eSIM.jpg\",\"datePublished\":\"2026-10-04T04:00:00+00:00\",\"description\":\"Learn the truth about making phone calls with a data-only eSIM. Explore options for calling and texting over the internet.\",\"breadcrumb\":{\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#primaryimage\",\"url\":\"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/09\/Can-I-make-phone-calls-with-Data-Only-eSIM.jpg\",\"contentUrl\":\"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/09\/Can-I-make-phone-calls-with-Data-Only-eSIM.jpg\",\"width\":640,\"height\":427,\"caption\":\"Can I make phone calls with Data Only eSIM\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/baztel.co\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Can You Make Phone Calls With a Data-Only eSIM? Yes \u2014 Here&#8217;s the Full Story\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/baztel.co\/blog\/#website\",\"url\":\"https:\/\/baztel.co\/blog\/\",\"name\":\"eSIM Blogs\",\"description\":\"Expert eSIM Tips, Global Travel Advice &amp; International Connectivity Guides\",\"publisher\":{\"@id\":\"https:\/\/baztel.co\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/baztel.co\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Organization\",\"Place\"],\"@id\":\"https:\/\/baztel.co\/blog\/#organization\",\"name\":\"BazTel\",\"url\":\"https:\/\/baztel.co\/blog\/\",\"logo\":{\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#local-main-organization-logo\"},\"image\":{\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#local-main-organization-logo\"},\"sameAs\":[\"https:\/\/www.facebook.com\/baztel.co\",\"https:\/\/x.com\/Baztel_eSIM\",\"https:\/\/www.linkedin.com\/company\/baztel-co\/\",\"https:\/\/www.instagram.com\/baztel.co\/\",\"https:\/\/share.google\/KRDRpNmqClacLRqpf\",\"https:\/\/www.youtube.com\/@BazTel-eSIM\",\"https:\/\/www.tiktok.com\/@baztel_esim\"],\"legalName\":\"BAZTEL PTY LTD\",\"foundingDate\":\"2024-07-01\",\"duns\":\"893762349\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"1\",\"maxValue\":\"10\"},\"telephone\":[\"+61452484270\"],\"contactPoint\":{\"@type\":\"ContactPoint\",\"telephone\":\"+61452484270\",\"email\":\"support@baztel.co\"},\"openingHoursSpecification\":{\"@type\":\"OpeningHoursSpecification\",\"dayOfWeek\":[\"Monday\",\"Tuesday\",\"Wednesday\",\"Thursday\",\"Friday\",\"Saturday\",\"Sunday\"],\"opens\":\"00:00\",\"closes\":\"23:59\"},\"email\":\"support@baztel.co\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/baztel.co\/blog\/#\/schema\/person\/537671572fa1e042fe9f2be566c1a330\",\"name\":\"Peter\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/baztel.co\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/01\/Peter-Basil-2-96x96.jpg\",\"contentUrl\":\"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/01\/Peter-Basil-2-96x96.jpg\",\"caption\":\"Peter\"},\"url\":\"https:\/\/baztel.co\/blog\/author\/seo_team\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#local-main-organization-logo\",\"url\":\"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2025\/04\/footer-logo.webp\",\"contentUrl\":\"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2025\/04\/footer-logo.webp\",\"width\":256,\"height\":114,\"caption\":\"BazTel\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Can You Make Phone Calls With a Data-Only eSIM? Explained","description":"Learn the truth about making phone calls with a data-only eSIM. Explore options for calling and texting over the internet.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/","og_locale":"en_US","og_type":"article","og_title":"Can You Make Phone Calls With a Data-Only eSIM? Yes \u2014 Here's the Full Story","og_description":"Learn the truth about making phone calls with a data-only eSIM. Explore options for calling and texting over the internet.","og_url":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/","og_site_name":"BazTel Blog","article_publisher":"https:\/\/www.facebook.com\/baztel.co","article_published_time":"2026-10-04T04:00:00+00:00","og_image":[{"width":640,"height":427,"url":"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/09\/Can-I-make-phone-calls-with-Data-Only-eSIM.jpg","type":"image\/jpeg"}],"author":"Peter","twitter_card":"summary_large_image","twitter_creator":"@Baztel_eSIM","twitter_site":"@Baztel_eSIM","twitter_misc":{"Written by":"Peter","Est. reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["Article","BlogPosting"],"@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#article","isPartOf":{"@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/"},"author":{"name":"Peter","@id":"https:\/\/baztel.co\/blog\/#\/schema\/person\/537671572fa1e042fe9f2be566c1a330"},"headline":"Can You Make Phone Calls With a Data-Only eSIM? Yes \u2014 Here&#8217;s the Full Story","datePublished":"2026-10-04T04:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/"},"wordCount":1235,"publisher":{"@id":"https:\/\/baztel.co\/blog\/#organization"},"image":{"@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#primaryimage"},"thumbnailUrl":"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/09\/Can-I-make-phone-calls-with-Data-Only-eSIM.jpg","keywords":["Best eSIM Cards for Travelers","eSIM For International Travel","eSIM for Travelers","global eSIM"],"articleSection":["eSIM"],"inLanguage":"en-US","copyrightYear":"2026","copyrightHolder":{"@id":"https:\/\/baztel.co\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/","url":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/","name":"Can You Make Phone Calls With a Data-Only eSIM? Explained","isPartOf":{"@id":"https:\/\/baztel.co\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#primaryimage"},"image":{"@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#primaryimage"},"thumbnailUrl":"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/09\/Can-I-make-phone-calls-with-Data-Only-eSIM.jpg","datePublished":"2026-10-04T04:00:00+00:00","description":"Learn the truth about making phone calls with a data-only eSIM. Explore options for calling and texting over the internet.","breadcrumb":{"@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#primaryimage","url":"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/09\/Can-I-make-phone-calls-with-Data-Only-eSIM.jpg","contentUrl":"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/09\/Can-I-make-phone-calls-with-Data-Only-eSIM.jpg","width":640,"height":427,"caption":"Can I make phone calls with Data Only eSIM"},{"@type":"BreadcrumbList","@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/baztel.co\/blog\/"},{"@type":"ListItem","position":2,"name":"Can You Make Phone Calls With a Data-Only eSIM? Yes \u2014 Here&#8217;s the Full Story"}]},{"@type":"WebSite","@id":"https:\/\/baztel.co\/blog\/#website","url":"https:\/\/baztel.co\/blog\/","name":"eSIM Blogs","description":"Expert eSIM Tips, Global Travel Advice &amp; International Connectivity Guides","publisher":{"@id":"https:\/\/baztel.co\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/baztel.co\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":["Organization","Place"],"@id":"https:\/\/baztel.co\/blog\/#organization","name":"BazTel","url":"https:\/\/baztel.co\/blog\/","logo":{"@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#local-main-organization-logo"},"image":{"@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#local-main-organization-logo"},"sameAs":["https:\/\/www.facebook.com\/baztel.co","https:\/\/x.com\/Baztel_eSIM","https:\/\/www.linkedin.com\/company\/baztel-co\/","https:\/\/www.instagram.com\/baztel.co\/","https:\/\/share.google\/KRDRpNmqClacLRqpf","https:\/\/www.youtube.com\/@BazTel-eSIM","https:\/\/www.tiktok.com\/@baztel_esim"],"legalName":"BAZTEL PTY LTD","foundingDate":"2024-07-01","duns":"893762349","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"1","maxValue":"10"},"telephone":["+61452484270"],"contactPoint":{"@type":"ContactPoint","telephone":"+61452484270","email":"support@baztel.co"},"openingHoursSpecification":{"@type":"OpeningHoursSpecification","dayOfWeek":["Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"],"opens":"00:00","closes":"23:59"},"email":"support@baztel.co"},{"@type":"Person","@id":"https:\/\/baztel.co\/blog\/#\/schema\/person\/537671572fa1e042fe9f2be566c1a330","name":"Peter","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/baztel.co\/blog\/#\/schema\/person\/image\/","url":"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/01\/Peter-Basil-2-96x96.jpg","contentUrl":"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2026\/01\/Peter-Basil-2-96x96.jpg","caption":"Peter"},"url":"https:\/\/baztel.co\/blog\/author\/seo_team\/"},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/baztel.co\/blog\/can-i-make-phone-calls-with-a-data-only-esim\/#local-main-organization-logo","url":"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2025\/04\/footer-logo.webp","contentUrl":"https:\/\/baztel.co\/blog\/wp-content\/uploads\/2025\/04\/footer-logo.webp","width":256,"height":114,"caption":"BazTel"}]}},"_links":{"self":[{"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/posts\/5405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/comments?post=5405"}],"version-history":[{"count":1,"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/posts\/5405\/revisions"}],"predecessor-version":[{"id":5406,"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/posts\/5405\/revisions\/5406"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/media\/5403"}],"wp:attachment":[{"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/media?parent=5405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/categories?post=5405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/baztel.co\/blog\/wp-json\/wp\/v2\/tags?post=5405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}