Hello, On 5/20/11 2:26 PM, Bruno Bresciani wrote: yes, you have to use that one_time_nonce to disable the check. Overall, it is something similar but not exactly the same in terms of internal implementation - starting with 3.1.0, we migrated to the implementation coming from ser, since it was better in regard to security of nonce as well as more features related to qop: http://www.kamailio.org/dokuwiki/doku.php/install:3.0.x-to-3.1.0#modules_k_… Cheers, Daniel -- Daniel-Constantin Mierla -- http://www.asipto.com http://linkedin.com/in/miconda -- http://twitter.com/miconda