hi guys, please let me know paste myconfigurations as follow: 1- vim /usr/local/freeswitch/conf/directory/default/v_212263612400.xml <include> <user id="212263612400"> <params> <param name="password" value="samira"/> <param name="vm-password" value="user-choose"/> <param name="vm-enabled" value="true"/> <param name="max-registrations-per-extension" value="1"/> </params> <variables> <variable name="toll_allow" value=""/> <variable name="accountcode" value=""/> <variable name="user_context" value="default"/> <variable name="directory-visible" value="true"/> <variable name="directory-exten-visible" value="true"/> <variable name="limit_max" value="5"/> <variable name="sip-force-contact" value="NDLB-connectile-dysfunction"/> <variable name="nibble_account" value="20014334"/> </variables> </user> </include> 2-vim /usr/local/freeswitch/conf/autoload_configs/acl.conf.xml <configuration name="acl.conf" description="Network Lists"> <network-lists> <list name="domains" default="deny"> <node type="allow" domain="$${domain}"/> </list> </network-lists> </configuration> *max-registrations-per-extension =1 when issue the following command the user is registered so another user with the extension '2122636124' couldn't register simultaneously : sofia status profile internal reg Now what is problem? every time i want to dial some extensions that is configured in my dialplan the following erroe occure: 2012-07-02 21:02:12.050074 [WARNING] sofia_reg.c:1471 SIP auth challenge (REGISTER) on sofia profile 'internal_private' for [212263612400@192.168.10.70] from ip 192.168.18.120 2012-07-02 21:02:14.710049 [DEBUG] sofia.c:7904 IP 192.168.18.120 Rejected by acl "domains". Falling back to Digest auth. 2012-07-02 21:02:14.710049 [WARNING] sofia_reg.c:1471 SIP auth challenge (INVITE) on sofia profile 'internal_private' for [00989191949637@192.168.10.70] from ip 192.168.18.120 2012-07-02 21:02:14.710049 [DEBUG] sofia.c:7904 IP 192.168.18.120 Rejected by acl "domains". Falling back to Digest auth. 2012-07-02 21:02:14.710049 [WARNING] sofia_reg.c:2607 SIP auth failure (REGISTER) due to reaching max allowed registrations. Count: 1 2012-07-02 21:02:14.710049 [WARNING] sofia_reg.c:1416 SIP auth failure (INVITE) on sofia profile 'internal_private' for [00989191949637@192.168.10.70] from ip 192.168.18.120 so if i remove the line <param name="max-registrations-per-extension" value="1"/> from /usr/local/freeswitch/conf/directory/default/v_212263612400.xml or from within /usr/local/freeswitch/conf/sip_profiles/internal.xml(it is posible to defined either internal.xml or /usr/local/freeswitch/conf/directory/default/v_212263612400.xml) the problem solved --with the same settings on vim /usr/local/freeswitch/conf/autoload_configs/acl.conf.xml-- but simultaneously registeration per extension couldn't worked properly ,,, plz help, what is problem on my settings?