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-rwxr-xr-xdoc/README.variables3
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/README.variables b/doc/README.variables
index ced8f8e90..c02a94af4 100755
--- a/doc/README.variables
+++ b/doc/README.variables
@@ -78,6 +78,9 @@ ${TXTCIDNAME} Result of application TXTCIDName
${UNIQUEID} Current call unique identifier
${PRIREDIRECTREASON} Reason for redirect, if a call was directed
+NOTE: Attempting to set any of these "special" variables will not change
+their value, but will not display any warning either.
+
The dial() application sets the following variables:
${DIALEDPEERNAME} Dialed peer name