change default due to loopback channels

kamailio/presence-role.cfg

@@ -7,7 +7,7 @@
 
 #!trydef KZ_PRESENCE_CSEQ_OFFSET 2
 
-#!trydef KZ_PRESENCE_MAX_CALL_PER_PRESENTITY 10
+#!trydef KZ_PRESENCE_MAX_CALL_PER_PRESENTITY 20
 
 modparam("htable", "htable", "p=>size=32;autoexpire=3600;")
 modparam("htable", "htable", "first=>size=32;autoexpire=3600;initval =0;updateexpire=1;")