WhatsApp is not linkifying Telegram URLs, but Telegram is not even sending messages that are shared from WhatsApp.  Telegram is open source, so you can see for yourself here.<p><a href="https:&#x2F;&#x2F;github.com&#x2F;DrKLO&#x2F;Telegram&#x2F;blob&#x2F;74def22213846b1f90a26c86670035079dea032c&#x2F;TMessagesProj&#x2F;src&#x2F;main&#x2F;java&#x2F;org&#x2F;telegram&#x2F;ui&#x2F;LaunchActivity.java#L666" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;DrKLO&#x2F;Telegram&#x2F;blob&#x2F;74def22213846b1f90a26...</a><p>On line 666:<p><pre><code>    if (sendingText.contains(&quot;WhatsApp&quot;)) { &#x2F;&#x2F;who needs this sent from ...?
        sendingText = null;
    }</code></pre>