Hi Do we have any equivalent document for PJSUA2 like https://www.pjsip.org/python/pjsua.htm? Python: module pjsua - pjsip.org<https://www.pjsip.org/python/pjsua.htm> class AccountCallback: Class to receive notifications on account's events. Derive a class from this class and register it to the Account object using Account.set_callback() to start receiving events from the Account object. Member documentation: www.pjsip.org Thanks Regards Sekar