diff --git a/config/mISDN b/config/mISDN
index 9f7d082..ef68def 100755
--- a/config/mISDN
+++ b/config/mISDN
@@ -322,7 +322,7 @@ Card Type: hfcmulti, avmfritz, w6692pci
 Port Attributes: mode=(te|nt), link=(ptp|ptmp), capi=(yes|no)
 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Module: hfcmulti
-Options: poll=<number>, pcm=<number>, debug=<number>
+Options: poll=<number>, pcm=<number>, debug=<number>, timer=(yes|no)
 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Module: mISDN_dsp
 Options: debug=<number>, options=<number>, poll=<number>,
@@ -330,7 +330,7 @@ Options: debug=<number>, options=<number>, poll=<number>,
 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 -->
 <mISDNconf>
-${TAB}<module poll=\"128\" debug=\"0\">hfcmulti</module>
+${TAB}<module poll=\"128\" debug=\"0\" timer=\"no\">hfcmulti</module>
 ${TAB}<module debug=\"0\" options=\"0\">mISDN_dsp</module>
 ${TAB}<devnode user=\"root\" group=\"root\" mode=\"644\">mISDN</devnode>"
 	local FOOTER="</mISDNconf>"
diff --git a/config/mISDN.conf.hfcmulti.xsl b/config/mISDN.conf.hfcmulti.xsl
index 2d0a5c8..1aedcae 100644
--- a/config/mISDN.conf.hfcmulti.xsl
+++ b/config/mISDN.conf.hfcmulti.xsl
@@ -4,7 +4,7 @@
 
 <!--
 	Module: hfcmulti
-	Options: poll=<number>, pcm=<number>, debug=<number>
+	Options: poll=<number>, pcm=<number>, debug=<number>, timer=(yes|no)
 -->
 <xsl:template name="HFCMULTImodule">
 
@@ -25,6 +25,13 @@
  <xsl:with-param name="val-default">0</xsl:with-param>
 </xsl:call-template>
 
+<xsl:call-template name="if-set-match">
+ <xsl:with-param name="prefix"> timer=</xsl:with-param>
+ <xsl:with-param name="val" select="@timer" />
+ <xsl:with-param name="val-default">0</xsl:with-param>
+ <xsl:with-param name="val-true">1</xsl:with-param>
+</xsl:call-template>
+
 <xsl:text>
 </xsl:text>
 
diff --git a/config/mISDN.conf.inc.xsl b/config/mISDN.conf.inc.xsl
index 697563d..ad35d6a 100644
--- a/config/mISDN.conf.inc.xsl
+++ b/config/mISDN.conf.inc.xsl
@@ -18,6 +18,29 @@
  </xsl:choose>
 </xsl:template>
 
+<xsl:template name="if-set-match">
+ <xsl:param name="prefix"></xsl:param>
+ <xsl:param name="val"></xsl:param>
+ <xsl:param name="val-default"></xsl:param>
+ <xsl:param name="val-true">0</xsl:param>
+ <xsl:param name="val-false">0</xsl:param>
+ <xsl:param name="match-true">yes</xsl:param>
+ <xsl:param name="match-false">no</xsl:param>
+ <xsl:choose>
+  <xsl:when test="$val=$match-true">
+   <xsl:value-of select="concat($prefix,$val-true)" />
+  </xsl:when>
+  <xsl:when test="$val=$match-false">
+   <xsl:value-of select="concat($prefix,$val-false)" />
+  </xsl:when>
+  <xsl:otherwise>
+   <xsl:if test="$val-default!=''">
+    <xsl:value-of select="concat($prefix,$val-default)" />
+   </xsl:if>
+  </xsl:otherwise>
+ </xsl:choose>
+</xsl:template>
+
 <xsl:template name="if-match">
  <xsl:param name="val">no</xsl:param>
  <xsl:param name="val-default">0</xsl:param>