Please disregard. Turns out, while documentation on PJSIP_AUTH_HEADER_CACHING, PJSIP_AUTH_AUTO_SEND_NEXT say they default to 1, they're not defined by default. Once these are set, everything behaves as expected. - Alex On Oct 23, 2007, at 9:06 PM, Alexander Agranovsky wrote: > When the auto-renew set to false, each time pjsip_regc_register/ > pjsip_regc_send are called, the cached (saved from the previous > request) auth data is not sent along. It always takes another > challenge/response. > Is that a bug, or is it by design? > > Thanks, > Alex > > _______________________________________________ > 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