This is the content of SER's syslog, Mar 27 19:41:43 localhost /usr/local/sbin/ser[25747]: ERROR: mk_proxy: could not resolve hostname: "telestar.bj.cn" Mar 27 19:41:43 localhost /usr/local/sbin/ser[25747]: ERROR: uri2proxy: bad host name in URI <sip:telestar.bj.cn> Mar 27 19:41:43 localhost /usr/local/sbin/ser[25747]: ERROR: t_forward_nonack: failure to add branches Can you tell me what is wrong with it? Thank you!