diff --git a/sip/asterisk.py b/sip/asterisk.py
index 7e57901a..2dc539a2 100644
--- a/sip/asterisk.py
+++ b/sip/asterisk.py
@@ -21,7 +21,13 @@ class NullRecv(EnvironmentError):
     pass
     
 class AsteriskError(ValueError):
-    pass
+    def __init__(self, message, action, params):
+        self.message=message
+        self.action=action
+        self.params=params
+
+    def __str__(self):
+        return '%s, Action:%s, params:%s' % (self.message, self.action, self.params)
 
 class Profile(object):
     def __init__(self, sql_params=None, database=None):
@@ -60,7 +66,7 @@ class Profile(object):
             caller_id = cur.fetchall()[0][0]
             cur.close()
             conn.close()
-            
+
             if caller_id == 'full_name' or caller_id == 'both':
                 conn=lc_ldap.shortcuts.lc_ldap_readonly()
                 aid=int(num[1:])
@@ -243,7 +249,7 @@ class Manager(object):
         del(self._response[id])
         self._pending_action.remove(id)
         if response[0] == 'Error':
-            raise AsteriskError('%s. Action:%s params:%s' % (response[1]['Message'], name, params))
+            raise AsteriskError(response[1]['Message'], name, params)
         return response
         
     def action(self, name, **params):