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react/features/no-audio-signal/components/DialInLink.tsx

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+import React, { Component } from 'react';
+import { WithTranslation } from 'react-i18next';
+import { connect } from 'react-redux';
+
+import { IReduxState } from '../../app/types';
+import { translate } from '../../base/i18n/functions';
+import { getDialInfoPageURL, shouldDisplayDialIn } from '../../invite/functions';
+
+/**
+ * The type of the React {@code Component} props of {@link DialInLink}.
+ */
+interface IProps extends WithTranslation {
+
+    /**
+     * The redux state representing the dial-in numbers feature.
+     */
+    _dialIn: Object;
+
+    /**
+     * The url of the page containing the dial-in numbers list.
+     */
+    _dialInfoPageUrl: string;
+}
+
+/**
+ * React {@code Component} responsible for displaying a telephone number and
+ * conference ID for dialing into a conference.
+ *
+ * @augments Component
+ */
+class DialInLink extends Component<IProps> {
+    /**
+     * Implements React's {@link Component#render()}.
+     *
+     * @inheritdoc
+     * @returns {ReactElement}
+     */
+    override render() {
+        const { _dialIn, _dialInfoPageUrl, t } = this.props;
+
+        if (!shouldDisplayDialIn(_dialIn)) {
+            return null;
+        }
+
+        return (
+            <div>{t('toolbar.noAudioSignalDialInDesc')}&nbsp;
+                <a
+                    href = { _dialInfoPageUrl }
+                    rel = 'noopener noreferrer'
+                    target = '_blank'>
+                    {t('toolbar.noAudioSignalDialInLinkDesc')}
+                </a>
+            </div>
+        );
+    }
+}
+
+/**
+ * Maps (parts of) the Redux state to the associated props for the
+ * {@code DialInLink} component.
+ *
+ * @param {Object} state - The Redux state.
+ * @private
+ * @returns {IProps}
+ */
+function _mapStateToProps(state: IReduxState) {
+    return {
+        _dialIn: state['features/invite'],
+        _dialInfoPageUrl: getDialInfoPageURL(state)
+    };
+}
+
+export default translate(connect(_mapStateToProps)(DialInLink));