Update confusing documentation for tlsbindaddr.

Update some confusing documentation for the tlsbindaddr
option in sip.conf.sample. Point at a link instead which
has better documentation.

(closes issue #17054)
Reported by: klaus3000

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@255021 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/sip.conf.sample

@@ -157,10 +157,8 @@ tcpbindaddr=0.0.0.0             ; IP address for TCP server to bind to (0.0.0.0
 ;tlsenable=no                   ; Enable server for incoming TLS (secure) connections (default is no)
 ;tlsbindaddr=0.0.0.0            ; IP address for TLS server to bind to (0.0.0.0) binds to all interfaces)
                                 ; Optionally add a port number, 192.168.1.1:5063 (default is port 5061)
-                                ; Remember that the DNS entry for the common name (server name) in the
-				; certificate must point to the IP address you bind to,
-                                ; so you don't want to bind a TLS socket to multiple IP addresses.
-
+                                ; For details how to construct a certificate for SIP see 
+                                ; http://tools.ietf.org/html/draft-ietf-sip-domain-certs
 
 srvlookup=yes                   ; Enable DNS SRV lookups on outbound calls
                                 ; Note: Asterisk only uses the first host