Maybe the next hop SIP URI misses the transport=tls parameter? regards klaus towhid islam schrieb: > hi, > > pjsip tls cant send BYE, > > log file: > > 07:55:06.241 Master/sound Underflow, buf_cnt=0, will generate 1 frame > 07:55:06.241 Master/sound Underflow, buf_cnt=0, will generate 1 frame > 07:55:06.281 tsx0x2456b2d0 Failed to send Request msg BYE/cseq=29613 > (tdta0x2456f880)! err=171060 (Unsupported transport (PJSIP_EUNSUPTRANSPORT)) > 07:55:06.346 pjsua_media.c Media session for call 0 is destroyed > 07:55:06.346 pjsua_call.c Failed to send end session message: > Unsupported transport (PJSIP_EUNSUPTRANSPORT) [status=171060] > > why unsupported transport is occurring. > > > > > ------------------------------------------------------------------------ > > _______________________________________________ > 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