hi ,i use kamailio 3.3.4 versionI set and load dialog modulemodparam("dialog", "ka_timer", 10)modparam("dialog", "ka_interval", 20)use dlg_set_property("ka-src");When uac A call uac B connection success , After 20 seconds, sip proxy send the OPTIONS message uac ACrazy sent to fill my bandwidth , I use ngrep tools see sip serverU xxx.xxx.xxx:5002 -> xxx.xxx.xxx.xxx:16296OPTIONS sip:xxxxxx@xxx.xxx.xxx.xxx:16296;transport=udp SIP/2.0.Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5002;branch=z9hG4bK92da.1584702.0.To: sip:xxxxxxx@xxx.xxx.xxx.xxx:5002;tag=eb6e8f3e.From: sip:xxxxxxx@xxx.xxx.xxx.xxx:5002;tag=D.ZHkBjEnKXX.DTO69bc09sbB4oFdU3O.CSeq: 1 OPTIONS.Call-ID: NDZlY2JhMjUyMjZiYTllZGJmZTA2MmYxODU5NmY3NGY..Content-Length: 0.User-Agent: SIP Server.and /var/log/syslogMar 19 21:09:07 cfa /home/pkg/kamailio-3.3.4/sbin/kamailio[12237]: ERROR: tm [t_msgbuilder.c:1528]: build_uac_req(): no shmem (370)Mar 19 21:09:07 cfa /home/pkg/kamailio-3.3.4/sbin/kamailio[12237]: ERROR: tm [uac.c:338]: t_uac: Error while building messageMar 19 21:09:07 cfa /home/pkg/kamailio-3.3.4/sbin/kamailio[12237]: ERROR: dialog [dlg_req_within.c:381]: failed to send the BYE requestMar 19 21:09:07 cfa /home/pkg/kamailio-3.3.4/sbin/kamailio[12237]: ERROR: tm [t_msgbuilder.c:1528]: build_uac_req(): no shmem (370)Mar 19 21:09:07 cfa /home/pkg/kamailio-3.3.4/sbin/kamailio[12237]: ERROR: tm [uac.c:338]: t_uac: Error while building messageMar 19 21:09:07 cfa /home/pkg/kamailio-3.3.4/sbin/kamailio[12237]: ERROR: dialog [dlg_req_within.c:381]: failed to send the BYE requestMar 19 21:09:07 cfa /home/pkg/kamailio-3.3.4/sbin/kamailio[12237]: ERROR: tm [t_msgbuilder.c:1528]: build_uac_req(): no shmem (370)Mar 19 21:09:07 cfa /home/pkg/kamailio-3.3.4/sbin/kamailio[12237]: ERROR: tm [uac.c:338]: t_uac: Error while building messagePlease help me
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