diff --git a/markdown.php b/markdown.php
index 2141e39..d9cae16 100644
--- a/markdown.php
+++ b/markdown.php
@@ -1479,9 +1479,16 @@ class Markdown_Parser {
 			>
 			}xi',
 			array(&$this, '_doAutoLinks_email_callback'), $text);
+		$text = preg_replace_callback('{<(tel:([^\'">\s]+))>}i',array(&$this, '_doAutoLinks_tel_callback'), $text);
 
 		return $text;
 	}
+	function _doAutoLinks_tel_callback($matches) {
+		$url = $this->encodeAttribute($matches[1]);
+		$tel = $this->encodeAttribute($matches[2]);
+		$link = "<a href=\"$url\">$tel</a>";
+		return $this->hashPart($link);
+	}
 	function _doAutoLinks_url_callback($matches) {
 		$url = $this->encodeAttribute($matches[1]);
 		$link = "<a href=\"$url\">$url</a>";