3 files changed, 16 insertions, 0 deletions
diff --git a/pjsip/include/pjsip/sip_auth.h b/pjsip/include/pjsip/sip_auth.h
index 28e1c828..a3364edc 100644
--- a/pjsip/include/pjsip/sip_auth.h
+++ b/pjsip/include/pjsip/sip_auth.h
@@ -113,6 +113,7 @@ typedef struct pjsip_cached_auth
     pj_str_t			 realm;	    /**< Realm.			    */
     pj_bool_t			 is_proxy;  /**< Server type (401/407)	    */
     pjsip_auth_qop_type		 qop_value; /**< qop required by server.    */
+    unsigned			 stale_cnt; /**< Number of stale retry.	    */
 #if PJSIP_AUTH_QOP_SUPPORT
     pj_uint32_t			 nc;	    /**< Nonce count.		    */
     pj_str_t			 cnonce;    /**< Cnonce value.		    */
diff --git a/pjsip/include/pjsip/sip_config.h b/pjsip/include/pjsip/sip_config.h
index 6cf04e86..e987b20c 100644
--- a/pjsip/include/pjsip/sip_config.h
+++ b/pjsip/include/pjsip/sip_config.h
@@ -409,6 +409,15 @@
 
 
 /**
+ * Maximum number of stale retries when server keeps rejecting our request
+ * with stale=true.
+ */
+#ifndef PJSIP_MAX_STALE_COUNT
+#   define PJSIP_MAX_STALE_COUNT	    3
+#endif
+
+
+/**
  * @}
  */
 
diff --git a/pjsip/include/pjsip/sip_errno.h b/pjsip/include/pjsip/sip_errno.h
index 03d21ec2..10b542c7 100644
--- a/pjsip/include/pjsip/sip_errno.h
+++ b/pjsip/include/pjsip/sip_errno.h
@@ -361,6 +361,12 @@ PJ_BEGIN_DECL
  * Invalid digest.
  */
 #define PJSIP_EAUTHINVALIDDIGEST (PJSIP_ERRNO_START_PJSIP+110)	/* 171110 */
+/**
+ * @hideinitializer
+ * Maximum number of stale retries exceeded. This happens when server 
+ * keeps rejecting our authorization request with stale=true.
+ */
+#define PJSIP_EAUTHSTALECOUNT	(PJSIP_ERRNO_START_PJSIP + 111)	/* 171111 */
 
 
 /************************************************************