[Serusers] t_replicate can't call to registered endpoint

Dear all We have setup two SER servers which replicates endpoint registration info to the second server as follow: Server A: if (method=="REGISTER") { #if (src_ip=="xxx.xxx.xxx.xxx") { # save("location"); # break; #}; if (!www_authorize("", "subscriber")) { www_challenge("", "1"); break; }; if (!src_ip==xxx.xxx.xxx.xxx) { t_replicate("xxx.xxx.xxx.xxx", "5060"); }; save("location"); break; }; Server B: save_noreply("location"); registration process went fine. But when we use Server B to call the replicated endpoint, endpoint does not response to the INVITE message. Port and IP both are correct in the INVITE message. What could be the problem? Regards