Add example of permit/deny to sip.conf.sample

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@36054 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/sip.conf.sample

@@ -537,6 +537,8 @@ srvlookup=yes			; Enable DNS SRV lookups on outbound calls
 ;callgroup=1,3-4		; We are in caller groups 1,3,4
 ;pickupgroup=1,3-5		; We can do call pick-p for call group 1,3,4,5
 ;defaultip=192.168.0.60		; IP address to use if peer has not registred
+;deny=0.0.0.0/0.0.0.0		; ACL: Controll access to this account based on IP address
+;permit=192.168.0.60/255.255.255.0
 
 ;[cisco1]
 ;type=friend