Hmm sounds to me like the process is still running and you are trying to register another process on 5060. Did you make sure to kill the old process? I could be way off base here.. On Apr 11, 2013, at 7:08 AM, Efrain Astudillo <efrain.astudillo58 at gmail.com> wrote: > Message Error : CTI: 08:54:05.816 pjsua_acc.c ..Unable to create/send REGISTER: Object is busy (PJSIP_EBUSY) [status=171001]. > > I am using PYTHON and I compiled PJSUA with VIsual Studio 2010 (for Windows X86). Since two weeks ago I have been having this problem. This occurs when I make a call and the person who answer me, hang up the call. Then I try to make a call again, I cant do it because it shows that I cant create or send REGISTER message. > > Any help?, please. > > Efrain Astudillo > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org