Adding transport=udp to sample sip.conf - Also changes version of Asterisk 1.8 in UPGRADE

(issue ASTERISK-19352)
Reported by: jamicque
Patches:
	asterisk-19352-transport-warning-message-v1.patch uploaded by Michael L. Young (license 5026)
........

Merged revisions 357490 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 357497 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@357503 65c4cc65-6c06-0410-ace0-fbb531ad65f3

UPGRADE-1.8.txt

@@ -18,7 +18,7 @@
 ===
 ===========================================================
 
-from 1.8.11 to 1.8.12:
+From 1.8.10 to 1.8.11:
 
 * If no transport is specified in sip.conf, transport will default to UDP.
   Also, if multiple transport= lines are used, only the last will be used.

configs/sip.conf.sample

@@ -229,6 +229,9 @@ tcpbindaddr=0.0.0.0             ; IP address for TCP server to bind to (0.0.0.0
 				; unauthenticated sessions that will be allowed
                                 ; to connect at any given time. (default: 100)
 
+transport=udp                   ; Set the default transports.  The order determines the primary default transport.
+                                ; If tcpenable=no and the transport set is tcp, we will fallback to UDP.
+
 srvlookup=yes                   ; Enable DNS SRV lookups on outbound calls
                                 ; Note: Asterisk only uses the first host
                                 ; in SRV records