{"id":13529,"date":"2025-09-16T11:26:23","date_gmt":"2025-09-16T10:26:23","guid":{"rendered":"https:\/\/www.gsma.com\/get-involved\/working-groups\/?post_type=gsma_theme_resources&#038;p=13529"},"modified":"2026-03-24T12:02:52","modified_gmt":"2026-03-24T12:02:52","slug":"ts-06","status":"publish","type":"gsma_theme_resources","link":"https:\/\/www.gsma.com\/get-involved\/working-groups\/gsma_resources\/ts-06\/","title":{"rendered":"TS.06 v28.1 IMEI Allocation and Approval Process"},"content":{"rendered":"\n<p>This document outlines the allocation principles applicable to the IMEI numbers. The following areas are covered:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Allocation principles for IMEI<\/li>\n\n\n\n<li>Allocation principles for Reporting Bodies<\/li>\n\n\n\n<li>The role of the GSM Association<\/li>\n\n\n\n<li>Security requirements for the IMEI<\/li>\n\n\n\n<li>Software Version Numbers<\/li>\n\n\n\n<li>Single band, Multiband, Multimode and Multi RAT (Radio Access Technology) Mobile Equipment (ME)<\/li>\n\n\n\n<li>Test IMEI<\/li>\n<\/ul>\n\n\n\n<p>The overriding principles for IMEI allocation are preservation of the available number range, the prevention of duplication and the maintenance of security.<\/p>\n\n\n\n<p>This document also details the allocation process to be followed for obtaining TAC\/IMEI numbers from the authority approved by GSMA.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This document outlines the allocation principles applicable to the IMEI numbers. The following areas are covered: The overriding principles for IMEI allocation are preservation of the available number range, the prevention of duplication and the maintenance of security. This document also details the allocation process to be followed for obtaining TAC\/IMEI numbers from the authority [&hellip;]<\/p>\n","protected":false},"author":70,"featured_media":0,"template":"","meta":{"image":null,"json":{"gsma_resources_type":"Document","gsma_resources_thumb":"[]","gsma_resources_file":"[14503]","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":[],"resource_categories":[2868,2937,2114,2110],"algolia_discover_type":[2899],"class_list":["post-13529","gsma_theme_resources","type-gsma_theme_resources","status-publish","hentry","resource_categories-prd","resource_categories-resources-and-documentation","resource_categories-terminal-steering-group","resource_categories-working-groups","algolia_discover_type-resource"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.3 (Yoast SEO v24.3) - 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