diff -rupN pjproject-2.5.5/pjnath/include/pjnath/config.h pjproject-2.5.5-new/pjnath/include/pjnath/config.h
--- pjproject-2.5.5/pjnath/include/pjnath/config.h	2016-06-08 05:17:45.000000000 +0200
+++ pjproject-2.5.5-new/pjnath/include/pjnath/config.h	2017-01-05 14:15:08.979520849 +0100
@@ -231,7 +231,7 @@
  * Default: 16
  */
 #ifndef PJ_ICE_MAX_CAND
-#   define PJ_ICE_MAX_CAND			    16
+#   define PJ_ICE_MAX_CAND			    32
 #endif
 
 
@@ -252,7 +252,7 @@
  * Default: 2
  */
 #ifndef PJ_ICE_MAX_STUN
-#   define PJ_ICE_MAX_STUN			    2
+#   define PJ_ICE_MAX_STUN			    3
 #endif
 
 
@@ -272,7 +272,7 @@
  * the maximum number of components (PJ_ICE_MAX_COMP) value.
  */
 #ifndef PJ_ICE_COMP_BITS
-#   define PJ_ICE_COMP_BITS			    1
+#   define PJ_ICE_COMP_BITS			    2
 #endif
 
 
@@ -323,7 +323,7 @@
  * Default: 32
  */
 #ifndef PJ_ICE_MAX_CHECKS
-#   define PJ_ICE_MAX_CHECKS			    32
+#   define PJ_ICE_MAX_CHECKS			    150
 #endif