Hi Dear I have a problem, with my ser 0.9.6 server, as a sip server. the following results are with grandstream 487 or 287. about 30% of customers, can install the sip phone very easy with the first configuration. about 25%, can register after changing adsl router, or sip phone's configuration, about 15%, can register with another sip phones, like linksys, or. ... and about 30% can not using sip services. is it a natural event???? do u have any idea ???? best Pezhman ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ