diff --git a/README.variables b/README.variables
index dab5faca94..69a5769e58 100755
--- a/README.variables
+++ b/README.variables
@@ -40,6 +40,7 @@ ${ENV(VAR)}	Environmental variable VAR
 ${LEN(VAR)}	String length of VAR (integer)
 ${EPOCH}	Current unix style epoch
 ${DATETIME}	Current date time in the format: YYYY-MM-DD_HH:MM:SS
+${TIMESTAMP}	Current date time in the format: YYYYMMDD-HHMMSS
 ${UNIQUEID}	Current call unique identifier
 ${DNID}         Dialed Number Identifier
 ${RDNIS}        Redirected Dial Number ID Service
diff --git a/doc/README.variables b/doc/README.variables
index dab5faca94..69a5769e58 100755
--- a/doc/README.variables
+++ b/doc/README.variables
@@ -40,6 +40,7 @@ ${ENV(VAR)}	Environmental variable VAR
 ${LEN(VAR)}	String length of VAR (integer)
 ${EPOCH}	Current unix style epoch
 ${DATETIME}	Current date time in the format: YYYY-MM-DD_HH:MM:SS
+${TIMESTAMP}	Current date time in the format: YYYYMMDD-HHMMSS
 ${UNIQUEID}	Current call unique identifier
 ${DNID}         Dialed Number Identifier
 ${RDNIS}        Redirected Dial Number ID Service