diff --git a/CHANGES b/CHANGES
index 279b88bc06a68dda246316c5690dde0aeb58278c..d49fb48ec91a225bda787fa2551ba8f7b1d9d9c0 100644
--- a/CHANGES
+++ b/CHANGES
@@ -354,6 +354,9 @@ Miscellaneous
 
 SIP Changes
 -----------
+ * The prematuremedia option is disabled by default.  Applications requiring
+   SIP early audio must use the Progress() dialplan application to generate
+   the 183 progress message.
  * Added support for SUBSCRIBE/NOTIFY with dialog-info based call pickups.
    Snom phones use this for call pickup of extensions that the phone is
    subscribed to.
diff --git a/UPGRADE.txt b/UPGRADE.txt
index 68c099a34fffa081b27c189d95b1217d8aff11b8..4b2c62cee275f9385d2068f71ab60f2f4f6f39cc 100644
--- a/UPGRADE.txt
+++ b/UPGRADE.txt
@@ -63,6 +63,10 @@ From 1.6.2 to 1.8:
 
 From 1.6.1 to 1.6.2:
 
+* SIP no longer sends the 183 progress message for early media by
+  default.  Applications requiring early media should use the
+  progress() dialplan app to generate the progress message. 
+
 * The firmware for the IAXy has been removed from Asterisk.  It can be
   downloaded from http://downloads.digium.com/pub/iaxy/.  To have Asterisk
   install the firmware into its proper location, place the firmware in the