Tung Tran writes:
<div><SPAN style="font-size:10pt;">I think this t_replicate() function does not work with my case. Should you please suggest me another solution to make a failover system (one SIP server got failure, other one can handle).</SPAN></div>
you need to use sip phones that register with both of your sip servers.
-- juha
ps. is it possible to configure the mail server to reject html content?