X-Git-Url: http://git.asterisk.org/gitweb/?p=asterisk%2Fasterisk.git;a=blobdiff_plain;f=doc%2FREADME.variables;h=95485ba7fbb1bc53fadceb924e3731b5b12819ba;hp=8a6a3e2019675f281b8d7f0ddbf668a9b208d767;hb=270c8e3746b48abe7cdc27de26724e50c2503b07;hpb=047bc4bd88b6b49d54a5b865042dc8396d052d5d

diff --git a/doc/README.variables b/doc/README.variables
index 8a6a3e2..95485ba 100755
--- a/doc/README.variables
+++ b/doc/README.variables
@@ -37,9 +37,14 @@ ${CONTEXT}      Current context
 ${PRIORITY}	Current priority
 ${CHANNEL}	Current channel name
 ${ENV(VAR)}	Environmental variable VAR
+${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
 ${UNIQUEID}	Current call unique identifier
+${DNID}         Dialed Number Identifier
+${RDNIS}        Redirected Dial Number ID Service
+${HANGUPCAUSE}	Hangup cause on last PRI hangup
+${SIPDOMAIN}    SIP destination domain of an inbound call (if appropriate)
 
 There are two reference modes - reference by value and reference by name. 
 To refer to a variable with its name (as an argument to a function that