{"id":11236,"date":"2020-09-08T10:53:00","date_gmt":"2020-09-08T01:53:00","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=11236"},"modified":"2026-07-18T13:06:52","modified_gmt":"2026-07-18T04:06:52","slug":"notification-restrictions","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/en\/manual\/camserver\/notification-restrictions","title":{"rendered":"Notification restrictions and countermeasures in environments without an Internet connection"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Introduction.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The standard browser notification function and the push notification function of mobile apps (Android\/iOS) send notifications from the browser or OS provider, so notifications cannot be received in environments without an Internet connection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">*Example of browser notification<br><img decoding=\"async\" src=\"\/images\/webpush.jpg\" alt=\"\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The content delivered by notifications relayed through an external server is encrypted with AES256bit, but if your device is in an environment where it cannot connect to the Internet, please implement the measures in the next section.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">countermeasure<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">browser<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If you are using a standard browser, please apply the SSL certificate to CAMServer. If this is difficult, <a rel=\"noreferrer noopener\" href=\"\/en\/manual\/install-discount\/cam-webapp\/\" target=\"_blank\">Web App Version<\/a> By using this feature, you can receive notifications directly from CAMServer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Android<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For Android, if you turn on &quot;Enable background mode&quot;, the C&amp;M app can continue to run in the background. This allows you to receive notifications from the CAMServer.<\/p>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image is-resized is-style-border\"><img decoding=\"async\" src=\"\/images\/background-bode-enable.png\" alt=\"\" width=\"163\" height=\"289\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image is-resized is-style-border\"><img decoding=\"async\" src=\"\/images\/background-bode-allow.png\" alt=\"\" width=\"160\" height=\"281\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">After turning on the setting, when you put the C&amp;M app into the background and then resume it, Android OS will ask you &quot;Do you want to allow the app to run in the background all the time?&quot; Select &quot;Allow.&quot;<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/chat-messenger.com\/wp-content\/uploads\/2024\/09\/image.png\" alt=\"\" class=\"wp-image-11239\" width=\"267\" height=\"281\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">When background mode is enabled, &quot;Chat&amp;Messenger is running&quot; will be displayed in the notification area, and you will receive notifications while it is displayed.<\/p>\n<\/div>\n<\/div>\n\n\n\n<p class=\"is-style-icon_info wp-block-paragraph\">This function cannot be used on low-spec devices (less than 4GB RAM, etc.). Even if you set this, background apps may be stopped to save memory depending on the Android OS.<\/p>\n\n\n\n<p class=\"is-style-icon_info wp-block-paragraph\">Please note that if you turn off the &quot;Chat&amp;Messenger is running&quot; message in the notification area or explicitly close the app, you will not receive notifications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">iOS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">iOS does not have such a solution at the OS level.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u6a19\u6e96\u30d6\u30e9\u30a6\u30b6\u306e\u901a\u77e5\u6a5f\u80fd\u3084\u3001 \u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea(Android \/ iOS)\u306e Push\u901a\u77e5\u6a5f\u80fd\u306f\u3001\u30d6\u30e9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[17],"tags":[],"class_list":["post-11236","post","type-post","status-publish","format-standard","hentry","category-camserver"],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/en\/wp-json\/wp\/v2\/posts\/11236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chat-messenger.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/en\/wp-json\/wp\/v2\/comments?post=11236"}],"version-history":[{"count":9,"href":"https:\/\/chat-messenger.com\/en\/wp-json\/wp\/v2\/posts\/11236\/revisions"}],"predecessor-version":[{"id":13064,"href":"https:\/\/chat-messenger.com\/en\/wp-json\/wp\/v2\/posts\/11236\/revisions\/13064"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/en\/wp-json\/wp\/v2\/media?parent=11236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/en\/wp-json\/wp\/v2\/categories?post=11236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/en\/wp-json\/wp\/v2\/tags?post=11236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}