Schedule the sending of a PING packet a second later than previously so that it does not collide with the LAGRQ.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@69012 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -147,7 +147,7 @@ static char regcontext[AST_MAX_CONTEXT] = "";
 
 static int maxauthreq = 3;
 static int max_retries = 4;
-static int ping_time = 20;
+static int ping_time = 21;
 static int lagrq_time = 10;
 static int maxtrunkcall = TRUNK_CALL_START;
 static int maxnontrunkcall = 1;