kamailio.cfg: enable_full_lr set to 0

- it is default RFC recommendation and what of most UAs expect today
- lr=on was needed for some old UAs that were discontinued meanwhile

etc/kamailio.cfg

@@ -300,8 +300,8 @@ modparam("tm", "fr_inv_timer", 120000)
 
 
 # ----- rr params -----
-# add value to ;lr param to cope with most of the UAs
-modparam("rr", "enable_full_lr", 1)
+# set next param to 1 to add value to ;lr param (helps with some UAs)
+modparam("rr", "enable_full_lr", 0)
 # do not append from tag to the RR (no need for this script)
 modparam("rr", "append_fromtag", 0)