Merged revisions 203960 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

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  r203960 | russell | 2009-06-27 04:51:45 -0500 (Sat, 27 Jun 2009) | 2 lines
  
  Minor tweaks and spelling fixes for CHANGES and UPGRADE.txt.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@203961 65c4cc65-6c06-0410-ace0-fbb531ad65f3

CHANGES

@@ -308,12 +308,8 @@ SIP Changes
    as well as periodically updating the IP address. These properties allow for
    better performance as well as recovery in the event of an IP change.
  * Performance improvements via using hash tables (astobj2) and doubly-linked lists to improve 
-   load/reload of large numbers of peers/users by ~40x (for large lists of peers.
+   load/reload of large numbers of peers/users by ~40x (for large lists of peers).
-   Initially, we saw 4x improvement in call setup/destruction, but at the time
+   These changes also provide performance improvements for call setup and tear down.
-   of merging, this gain has disappeared; further research will be done to try
-   and restore this performance improvement. Astobj2 refcounting is now used
-   for users, peers, and dialogs.  Users are encouraged to assist in regression
-   testing and problem reporting!
  * Added ability to specify registration expiry time on a per registration basis in
    the register line.
  * Added support for T140 RED - redundancy in T.140 to prevent text loss due to