Hi Everybody. Just a small conformation about OpenSER and Softphone.. I'd installed openser and after so that install the sip softphone(X-Lite). After the settings in X-lite (sip-proxy..domain ), then i make a call ... But shows " Logging failed contact network admin " what's means this ?. I think I need to write a script ( modules ) in openser.cfg file for Register and authentication . how to make a calls and what are the steps should take in openser.cfgfile...? please help in this regarding and please excuse " in My English ".. Thanks and Regards.... Sunkara Ravi Prakash....:-)