diff --git a/addons/mail/static/src/rtc/call_settings.js b/addons/mail/static/src/rtc/call_settings.js
index 025e7fe4eba..cd2ce485516 100644
--- a/addons/mail/static/src/rtc/call_settings.js
+++ b/addons/mail/static/src/rtc/call_settings.js
@@ -4,12 +4,14 @@ import { Component, onWillStart, useExternalListener, useState } from "@odoo/owl
 import { useRtc } from "@mail/rtc/rtc_hook";
 import { useService } from "@web/core/utils/hooks";
 import { browser } from "@web/core/browser/browser";
+import { _t } from "@web/core/l10n/translation";
 
 export class CallSettings extends Component {
     static template = "mail.CallSettings";
     static props = ["thread", "className?"];
 
     setup() {
+        this.notification = useService("notification");
         this.userSettings = useState(useService("mail.user_settings"));
         this.rtc = useRtc();
         this.state = useState({
@@ -18,6 +20,15 @@ export class CallSettings extends Component {
         useExternalListener(browser, "keydown", this._onKeyDown);
         useExternalListener(browser, "keyup", this._onKeyUp);
         onWillStart(async () => {
+            if (!browser.navigator.mediaDevices) {
+                // zxing-js: isMediaDevicesSuported or canEnumerateDevices is false.
+                this.notification.add(
+                    _t("Media devices unobtainable. SSL might not be set up properly."),
+                    { type: "warning" }
+                );
+                console.warn("Media devices unobtainable. SSL might not be set up properly.");
+                return;
+            }
             this.state.userDevices = await browser.navigator.mediaDevices.enumerateDevices();
         });
     }
diff --git a/doc/cla/individual/Armitxes.md b/doc/cla/individual/Armitxes.md
new file mode 100644
index 00000000000..81375d13072
--- /dev/null
+++ b/doc/cla/individual/Armitxes.md
@@ -0,0 +1,11 @@
+Germany, 2023-02-15
+
+I hereby agree to the terms of the Odoo Individual Contributor License
+Agreement v1.0.
+
+I declare that I am authorized and able to make this agreement and sign this
+declaration.
+
+Signed,
+
+Jan Brodersen janbrodersen@armitxes.net https://github.com/Armitxes
\ No newline at end of file