diff --git a/CHANGES b/CHANGES
index e306d2a82e195e280aa41b6fe90fd12dd471d5a5..087a7a9cdaa2c4f82f529b3314e558becbcbddb1 100644
--- a/CHANGES
+++ b/CHANGES
@@ -27,6 +27,12 @@ SIP Changes
    'rpid' and 'pai'. Setting sendrpid to 'rpid' will cause Remote-Party-ID
    header to be sent (equivalent to setting sendrpid=yes) and setting
    sendrpid to 'pai' will cause P-Asserted-Identity header to be sent.
+ * The 'ignoresdpversion' behavior has been made automatic when the SDP received
+   is in response to a T.38 re-INVITE that Asterisk initiated. In this situation,
+   since the call will fail if Asterisk does not process the incoming SDP, Asterisk
+   will accept the SDP even if the SDP version number is not properly incremented,
+   but will generate a warning in the log indicating that the SIP peer that sent
+   the SDP should have the 'ignoresdpversion' option set.
 
 Applications
 ------------