Make TCP disabled by default (it's considered experimental)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@128237 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/sip.conf.sample

@@ -75,9 +75,10 @@ allowoverlap=no			; Disable overlap dialing support. (Default is yes)
 				; asterisk.conf, it defaults to that system name
 				; Realms MUST be globally unique according to RFC 3261
 				; Set this to your host name or domain name
-bindport=5060			; UDP Port to bind to (SIP standard port is 5060)
+bindport=5060			; UDP Port to bind to (SIP standard port for unencrypted UDP 
+				; and TCP sessions is 5060)
 				; bindport is the local UDP port that Asterisk will listen on
-bindaddr=0.0.0.0		; IP address to bind to (0.0.0.0 binds to all)
+bindaddr=0.0.0.0		; IP address to bind UDP listen socket to (0.0.0.0 binds to all)
 
 ;
 ; Note that the TCP and TLS support for chan_sip is currently considered
@@ -85,7 +86,7 @@ bindaddr=0.0.0.0		; IP address to bind to (0.0.0.0 binds to all)
 ; subject to change in any release.  If they are changed, the changes will
 ; be reflected in this sample configuration file, as well as in the UPGRADE.txt file.
 ;
-tcpenable=yes                   ; Enable server for incoming TCP connections (default is yes)
+tcpenable=no                    ; Enable server for incoming TCP connections (default is yes)
 tcpbindaddr=0.0.0.0	        ; IP address for TCP server to bind to (0.0.0.0 binds to all interfaces)
                                 ; Optionally add a port number, 192.168.1.1:5062 (default is port 5060)