diff --git a/src/include/switch_core.h b/src/include/switch_core.h
index 03e12a14c1..e6a98fd128 100644
--- a/src/include/switch_core.h
+++ b/src/include/switch_core.h
@@ -551,6 +551,15 @@ SWITCH_DECLARE(char *) switch_core_perform_strdup(_In_ switch_memory_pool_t *poo
 */
 SWITCH_DECLARE(char *) switch_core_session_sprintf(_In_ switch_core_session_t *session, _In_z_ _Printf_format_string_ const char *fmt, ...);
 
+/*!
+  \brief printf-style style printing routine.  The data is output to a string allocated from the session
+  \param session a session to use for allocation
+  \param fmt The format of the string
+  \param ap The arguments to use while printing the data
+  \return The new string
+*/
+SWITCH_DECLARE(char *) switch_core_session_vsprintf(switch_core_session_t *session, const char *fmt, va_list ap);
+
 /*!
   \brief printf-style style printing routine.  The data is output to a string allocated from the pool
   \param pool a pool to use for allocation
@@ -560,6 +569,15 @@ SWITCH_DECLARE(char *) switch_core_session_sprintf(_In_ switch_core_session_t *s
 */
 SWITCH_DECLARE(char *) switch_core_sprintf(_In_ switch_memory_pool_t *pool, _In_z_ _Printf_format_string_ const char *fmt, ...);
 
+/*!
+  \brief printf-style style printing routine.  The data is output to a string allocated from the pool
+  \param pool a pool to use for allocation
+  \param fmt The format of the string
+  \param ap The arguments to use while printing the data
+  \return The new string
+*/
+SWITCH_DECLARE(char *) switch_core_vsprintf(switch_memory_pool_t *pool, _In_z_ _Printf_format_string_ const char *fmt, va_list ap);
+
 /*! 
   \brief Retrieve the memory pool from a session
   \param session the session to retrieve the pool from
diff --git a/src/switch_core_memory.c b/src/switch_core_memory.c
index 8b328e6c38..7255947080 100644
--- a/src/switch_core_memory.c
+++ b/src/switch_core_memory.c
@@ -171,19 +171,32 @@ SWITCH_DECLARE(char *) switch_core_session_sprintf(switch_core_session_t *sessio
 	va_list ap;
 	char *result = NULL;
 
+	va_start(ap, fmt);
+	result = switch_core_vsprintf(session->pool, fmt, ap);
+	va_end(ap);
+
+	return result;
+}
+
+SWITCH_DECLARE(char *) switch_core_session_vsprintf(switch_core_session_t *session, const char *fmt, va_list ap)
+{
+	return switch_core_vsprintf(session->pool, fmt, ap);
+}
+
+SWITCH_DECLARE(char *) switch_core_vsprintf(switch_memory_pool_t *pool, const char *fmt, va_list ap)
+{
+	char *result = NULL;
+
+	switch_assert(pool != NULL);
+
 #ifdef LOCK_MORE
 #ifdef USE_MEM_LOCK
 	switch_mutex_lock(memory_manager.mem_lock);
 #endif
 #endif
 
-	switch_assert(session != NULL);
-	switch_assert(session->pool != NULL);
-	va_start(ap, fmt);
-
-	result = apr_pvsprintf(session->pool, fmt, ap);
+	result = apr_pvsprintf(pool, fmt, ap);
 	switch_assert(result != NULL);
-	va_end(ap);
 
 #ifdef LOCK_MORE
 #ifdef USE_MEM_LOCK
@@ -197,28 +210,11 @@ SWITCH_DECLARE(char *) switch_core_session_sprintf(switch_core_session_t *sessio
 SWITCH_DECLARE(char *) switch_core_sprintf(switch_memory_pool_t *pool, const char *fmt, ...)
 {
 	va_list ap;
-	char *result = NULL;
-
-	switch_assert(pool != NULL);
-
-#ifdef LOCK_MORE
-#ifdef USE_MEM_LOCK
-	switch_mutex_lock(memory_manager.mem_lock);
-#endif
-#endif
-
+	char *result;
 	va_start(ap, fmt);
-
-	result = apr_pvsprintf(pool, fmt, ap);
-	switch_assert(result != NULL);
-	va_end(ap);
-
-#ifdef LOCK_MORE
-#ifdef USE_MEM_LOCK
-	switch_mutex_unlock(memory_manager.mem_lock);
-#endif
-#endif
-
+	result = switch_core_vsprintf(pool, fmt, ap);
+	va_end(ap);	
+	
 	return result;
 }