{"id":1557,"date":"2026-01-22T03:16:01","date_gmt":"2026-01-22T03:16:01","guid":{"rendered":"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/?post_type=gsma_theme_resources&#038;p=1557"},"modified":"2026-04-29T13:43:08","modified_gmt":"2026-04-29T13:43:08","slug":"open-verifiable-calling-innovations-to-restoring-trust-in-voice-communications","status":"publish","type":"gsma_theme_resources","link":"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/gsma_resources\/open-verifiable-calling-innovations-to-restoring-trust-in-voice-communications\/","title":{"rendered":"Open Verifiable Calling"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Open Verifiable Calling (OVC)<\/strong> is a GSMA Foundry project designed to tackle a growing problem: how can consumers know who is really calling them? By leveraging established, open technologies, OVC introduces a framework for building verifiable trust directly into voice calls.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fraudulent calls are at the heart of today\u2019s consumer-targeted attacks. The traditional phone network offers no reliable way for callers to prove their identity, or for recipients to verify it, leaving the door wide open for fraudsters to impersonate anyone they choose.<\/p>\n\n\n\n<div style=\"height:39px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-gsma-video-pod banner_right-img_block gsma-load-hidden\">\n<div class=\"wp-block-group banner_right-img_container gsma-load-hidden\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-columns banner_right-img_columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column banner_right-img_column_left is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading banner_right-img_title has-gsma-red-color has-text-color has-link-color wp-elements-9494559a15e8c0855c6e99e3e8255162\" id=\"h-showcasing-the-proof-of-concept-at-mwc-2026\">Showcasing the Proof of Concept at MWC 2026<\/h3>\n\n\n\n<p class=\"banner_right-img_blurb wp-block-paragraph\">Watch the demo video to see how Open Verifiable Calling enables secure, end-to-end verified voice communication, showcasing a live proof of concept in action. It highlights the importance of industry collaboration and open standards to restore trust in voice and combat fraud.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column banner_right-img_column_right is-layout-flow wp-block-column-is-layout-flow\">                <script src=\"https:\/\/platform.vixyvideo.com\/p\/557\/sp\/55700\/embedIframeJs\/uiconf_id\/23455624\/partner_id\/557\"><\/script>\r\n                <div style=\"padding-bottom: 56.25%; position: relative;\"><div id=\"vixy_player_6a85f611bf3a1\" style=\"position:absolute; width:100%; height:100%\"><\/div><\/div>\r\n                <script>\r\n                    kWidget.embed({\r\n                      \"targetId\": \"vixy_player_6a85f611bf3a1\",\r\n                      \"wid\": \"_557\",\r\n                      \"uiconf_id\": 23459939,\r\n                      \"flashvars\": {},\r\n                      \"entry_id\": \"0_rpn14owq\"\r\n                    });\r\n                <\/script>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Bringing Trust Back to Every Call<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OVC solves this problem by delivering three key innovations that make every call verifiably trustworthy:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Verified identities you can see<\/strong>: Businesses can confirm who they are, the phone numbers they can use, the name they operate under, and a recognizable logo to reassure consumers.<\/li>\n\n\n\n<li><strong>Bulletproof cryptography<\/strong>: Identity information is protected from tampering or hijacking, so users can trust it\u2019s authentic.<\/li>\n\n\n\n<li><strong>Smarter phones<\/strong>: Devices can display verified caller info, giving the power of trust straight to the user.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The benefits ripple across the phone network ecosystem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rebuilding consumer confidence<\/strong>: People can pick up the phone without hesitation.<\/li>\n\n\n\n<li><strong>Filtering out fraud<\/strong>: Networks can block bad actors while promoting verified, trusted calls.<\/li>\n\n\n\n<li><strong>Meeting regulatory obligations<\/strong>: Operators can deliver verifiable compliance, not just \u201cbest-effort\u201d assurances.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0198-1024x683.jpg\" alt=\"A speaker presents to an audience in front of a screen displaying telecoms security information.\" class=\"wp-image-2066\" srcset=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0198-1024x683.jpg 1024w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0198-300x200.jpg 300w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0198-768x512.jpg 768w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0198-1536x1024.jpg 1536w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0198-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0184-1024x683.jpg\" alt=\"A man gives a presentation to a group of people seated around a large conference table in a meeting room.\" class=\"wp-image-2065\" srcset=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0184-1024x683.jpg 1024w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0184-300x200.jpg 300w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0184-768x512.jpg 768w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0184-1536x1024.jpg 1536w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0184-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0225-1024x683.jpg\" alt=\"A man gives a presentation, pointing at a cloud diagram on a large screen in a conference room.\" class=\"wp-image-2067\" srcset=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0225-1024x683.jpg 1024w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0225-300x200.jpg 300w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0225-768x512.jpg 768w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0225-1536x1024.jpg 1536w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MMM_0225-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:39px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Open Verifiable Calling Arrives at MWC26: Advancing Trusted Voice<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">At MWC Barcelona 2026, the Open Verifiable Calling (OVC) project showcased six months of work to create a framework for trusted, identity-driven voice communications, including a proof of concept for a fully end-to-end verified call.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rcnx.io\/\">Rich Connextions<\/a> positioned Open Verifiable Communication as a broader industry vision, demonstrating that global, verifiable communications are achievable through open standards and collaboration, critical as fragmented solutions continue to erode trust and hinder growth.<\/p>\n\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"581\" height=\"351\" src=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/1772810570792-1-2.jpg\" alt=\"Man in a checked suit stands beside a red exhibition stand with &quot;OVC&quot; and &quot;Innovations in scam prevention&quot; on the screen.\" class=\"wp-image-2078\" style=\"aspect-ratio:1.655378486055777\" srcset=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/1772810570792-1-2.jpg 581w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/1772810570792-1-2-300x181.jpg 300w\" sizes=\"auto, (max-width: 581px) 100vw, 581px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"767\" height=\"520\" src=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/OVC-demo.jpg\" alt=\"A display stand showcases scam prevention tech with screens reading, &quot;Enterprises can present verifiable evidence.\" class=\"wp-image-2073\" style=\"aspect-ratio:1.475038828489017\" srcset=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/OVC-demo.jpg 767w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/OVC-demo-300x203.jpg 300w\" sizes=\"auto, (max-width: 767px) 100vw, 767px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rcnx.io\/\">Rich Connextions<\/a> also ran a live Pavilion demo and hosted two roundtables with MNOs to drive industry engagement. If you missed it, be sure to watch the video to see how OVC is helping restore trust in voice communications.<\/p>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-gsma-video-pod banner_right-img_block gsma-load-hidden\">\n<div class=\"wp-block-group banner_right-img_container gsma-load-hidden\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-columns banner_right-img_columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column banner_right-img_column_left is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading banner_right-img_title has-gsma-red-color has-text-color has-link-color wp-elements-c969e4ca5135b826266b34818e4f89a0\" id=\"h-stopping-scam-calls-at-source-with-ovc\">Stopping Scam Calls at Source with OVC<\/h3>\n\n\n\n<p class=\"banner_right-img_blurb wp-block-paragraph\">Watch the interview with <strong>Andrew Bale, CEO of Rich Connexions<\/strong>, to explore how OVC tackles scam calls, from stopping spoofing at source to enabling cross-border collaboration and what success looks like in reducing fraud and improving trust.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column banner_right-img_column_right is-layout-flow wp-block-column-is-layout-flow\">                <script src=\"https:\/\/platform.vixyvideo.com\/p\/557\/sp\/55700\/embedIframeJs\/uiconf_id\/23455624\/partner_id\/557\"><\/script>\r\n                <div style=\"padding-bottom: 56.25%; position: relative;\"><div id=\"vixy_player_6a85f611bf3c6\" style=\"position:absolute; width:100%; height:100%\"><\/div><\/div>\r\n                <script>\r\n                    kWidget.embed({\r\n                      \"targetId\": \"vixy_player_6a85f611bf3c6\",\r\n                      \"wid\": \"_557\",\r\n                      \"uiconf_id\": 23459939,\r\n                      \"flashvars\": {},\r\n                      \"entry_id\": \"0_04jonsnk\"\r\n                    });\r\n                <\/script>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<div style=\"height:62px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">In partnership with:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"483\" data-id=\"1562\" src=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/RC-Main-FullOnWhite-Print-1-1024x483.jpg\" alt=\"Logo with a stylised \u201cC\u201d on the left, formed by layered turquoise and black curved lines. To the right, bold black text reads \u201cRich\u201d and beneath it, smaller turquoise text spells \u201cCONNEXIONS.\u201d The design is clean and modern.\" class=\"wp-image-1562\" style=\"width:291px;height:auto\" srcset=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/RC-Main-FullOnWhite-Print-1-1024x483.jpg 1024w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/RC-Main-FullOnWhite-Print-1-300x141.jpg 300w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/RC-Main-FullOnWhite-Print-1-768x362.jpg 768w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/RC-Main-FullOnWhite-Print-1-1536x724.jpg 1536w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/RC-Main-FullOnWhite-Print-1-2048x965.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"483\" data-id=\"1563\" src=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/OVC-OnWhite-Print-1-1024x483.jpg\" alt=\"Logo with a black outlined tick overlaid on a rounded rectangle. To the right, bold black letters read \u201cOVC.\u201d Below, smaller text says \u201cOpen Verifiable Calling.\u201d The tick has a bright green highlight. White background.\" class=\"wp-image-1563\" style=\"width:263px;height:auto\" srcset=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/OVC-OnWhite-Print-1-1024x483.jpg 1024w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/OVC-OnWhite-Print-1-300x141.jpg 300w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/OVC-OnWhite-Print-1-768x362.jpg 768w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/OVC-OnWhite-Print-1-1536x724.jpg 1536w, https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/OVC-OnWhite-Print-1-2048x965.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Open Verifiable Calling (OVC) is a GSMA Foundry project designed to tackle a growing problem: how can consumers know who is really calling them? By leveraging established, open technologies, OVC introduces a framework for building verifiable trust directly into voice calls. Fraudulent calls are at the heart of today\u2019s consumer-targeted attacks. The traditional phone network [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":2074,"template":"","meta":{"image":null,"json":{"gsma_resources_type":"0","gsma_resources_thumb":"null","gsma_resources_file":"null","gsma_resources_multi":null,"gsma_resources_wgr":null,"gsma_resources_video":"","gsma_resources_image":"null","gsma_resources_url":"","gsma_resources_date":"","gsma_resources_button":""}},"tags":[131],"resource_categories":[89,124],"algolia_discover_type":[43],"class_list":["post-1557","gsma_theme_resources","type-gsma_theme_resources","status-publish","has-post-thumbnail","hentry","tag-fintech-leader","resource_categories-foundry","resource_categories-innovation-project","algolia_discover_type-resource"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Open Verifiable Calling - Scams<\/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:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/gsma_resources\/open-verifiable-calling-innovations-to-restoring-trust-in-voice-communications\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Open Verifiable Calling\" \/>\n<meta property=\"og:description\" content=\"Open Verifiable Calling (OVC) is a GSMA Foundry project designed to tackle a growing problem: how can consumers know who is really calling them? By leveraging established, open technologies, OVC introduces a framework for building verifiable trust directly into voice calls. Fraudulent calls are at the heart of today\u2019s consumer-targeted attacks. The traditional phone network [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/gsma_resources\/open-verifiable-calling-innovations-to-restoring-trust-in-voice-communications\/\" \/>\n<meta property=\"og:site_name\" content=\"Scams\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-29T13:43:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/wp-content\/uploads\/2026\/01\/MWCB-Innovations-in-Scam-Prevention-6.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Open Verifiable Calling - Scams","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:\/\/www.gsma.com\/solutions-and-impact\/technologies\/security\/scams\/gsma_resources\/open-verifiable-calling-innovations-to-restoring-trust-in-voice-communications\/","og_locale":"en_US","og_type":"article","og_title":"Open Verifiable Calling","og_description":"Open Verifiable Calling (OVC) is a GSMA Foundry project designed to tackle a growing problem: how can consumers know who is really calling them? 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