Index: doc/tex/channelvariables.tex
===================================================================
--- doc/tex/channelvariables.tex	(revision 178702)
+++ doc/tex/channelvariables.tex	(working copy)
@@ -949,8 +949,8 @@
 \begin{verbatim}
 ${DIALEDPEERNAME}     * Dialed peer name
 ${DIALEDPEERNUMBER}   * Dialed peer number
-${DIALEDTIME}         * Time for the call (seconds)
-${ANSWEREDTIME}       * Time from dial to answer (seconds)
+${DIALEDTIME}         * Time for the call (seconds). Is only set if call was answered.
+${ANSWEREDTIME}       * Time from answer to hangup (seconds)
 ${DIALSTATUS}         * Status of the call, one of:
                         (CHANUNAVAIL | CONGESTION | BUSY | NOANSWER
                         | ANSWER | CANCEL | DONTCALL | TORTURE)