Merged revisions 308678 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.6.2

........
  r308678 | twilson | 2011-02-23 21:38:22 -0600 (Wed, 23 Feb 2011) | 8 lines
  
  Use remotesecret to authenticate with a remote party
  
  The remotesecret option was only being used for outbound registration
  and not for placing calls. This patch uses remotesecret on outbound
  calls if it is set, otherwise secret is still used.
  
  Review: https://reviewboard.asterisk.org/r/1107/
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@308679 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -18225,7 +18225,9 @@ static int build_reply_digest(struct sip_pvt *p, int method, char* digest, int d
  	} else {
  		/* No authentication, use peer or register= config */
  		username = p->authname;
- 		secret =  p->peersecret;
+ 		secret = p->relatedpeer 
+			&& !ast_strlen_zero(p->relatedpeer->remotesecret)
+			? p->relatedpeer->remotesecret : p->peersecret;
  		md5secret = p->peermd5secret;
  	}
 	if (ast_strlen_zero(username))	/* We have no authentication */

configs/sip.conf.sample

@@ -1014,6 +1014,10 @@ srvlookup=yes                   ; Enable DNS SRV lookups on outbound calls
 ;   Asterisk only matches on IP/port, not on names. This is mostly used for SIP
 ;   trunks.
 ;
+; Use remotesecret for outbound authentication, and secret for authenticating
+; inbound requests. For historical reasons, if no remotesecret is supplied for an
+; outbound registration or call, the secret will be used. 
+;
 ; For device names, we recommend using only a-z, numerics (0-9) and underscore
 ;
 ; For local phones, type=friend works most of the time