add docs for bug #3889

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5371 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/configs/extensions.conf.sample b/configs/extensions.conf.sample
index 9172b123ad8abd3e735edf1dfa4bff57fe7929de..b0768d84b55cc04a91eea2c6025b96579fd0d6ea 100755 (executable)
--- a/configs/extensions.conf.sample
+++ b/configs/extensions.conf.sample
@@ -69,6 +69,8 @@ TRUNKMSD=1                                    ; MSD digits to strip (usually 1 or 0)
 ;   [1235-9] - any digit in the brackets (in this example, 1,2,3,5,6,7,8,9)
 ;   . - wildcard, matches anything remaining (e.g. _9011. matches 
 ;      anything starting with 9011 excluding 9011 itself)
+;   + - wildcard, causes the matching process to complete as soon as
+;       it can unambiguously determine that no other matches are possible
 ;
 ; For example the extension _NXXXXXX would match normal 7 digit dialings, 
 ; while _1NXXNXXXXXX would represent an area code plus phone number