Hi , I am trying to register x-lite 4.1 on freeswitch. And i am using the default extensions : 1003 and password 1234 However i am unable to get this registered and get the following error on the console. Output of nano /usr/local/freeswitch/conf/directory/default/1003.xml <include> <user id="1003"> <params> <param name="password" value="$${default_password}"/> <param name="vm-password" value="1003"/> </params> <variables> <variable name="toll_allow" value="domestic,international,local"/> <variable name="accountcode" value="*1003*"/> <variable name="user_context" value="default"/> <variable name="effective_caller_id_name" value="*Extension 1003*"/> <variable name="effective_caller_id_number" value="1003"/> <variable name="outbound_caller_id_name" value="$${outbound_caller_name}"/> <variable name="outbound_caller_id_number" value="$${outbound_caller_id}"/> <variable name="callgroup" value="techsupport"/> </variables> </user> </include> recv 572 bytes from udp/[122.176.XX.XX:]:13334 at 16:18:23.774556: ------------------------------------------------------------------------ REGISTER sip:199.167.XX.XX: SIP/2.0 Via: SIP/2.0/UDP 122.176.144.226:13334 ;branch=z9hG4bK-d8754z-9ba4ee0f5e6ae5a7-1---d8754z-;rport Max-Forwards: 70 Contact: <sip:1003@122.176.XX.XX:13334;rinstance=cd614363113a396f> To: "Extension 1003"<sip:1003@199.167..XX.XX> From: "Extension 1003"<sip:1003@199.167..XX.XX>;tag=77bad5c7 Call-ID: MTRmNzQ3MDUyMTM4MGNhOGUzZjdlNWYyNWRlZDNjNmQ. CSeq: 1 REGISTER Expires: 3600 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO User-Agent: X-Lite 4 release 4.1 stamp 63214 Content-Length: 0 ------------------------------------------------------------------------ send 715 bytes to udp/[122.176.XX.XX:]:13334 at 16:18:23.775265: ------------------------------------------------------------------------ * SIP/2.0 401 Unauthorized* Via: SIP/2.0/UDP 122.176.144.226:13334 ;branch=z9hG4bK-d8754z-9ba4ee0f5e6ae5a7-1---d8754z-;rport=13334 From: "Extension 1003"<sip:1003@199.167..XX.XX>;tag=77bad5c7 To: "Extension 1003" <sip:1003@199.167..XX.XX>;tag=gpjScQ0eXXj6K Call-ID: MTRmNzQ3MDUyMTM4MGNhOGUzZjdlNWYyNWRlZDNjNmQ. CSeq: 1 REGISTER User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-7b10506 2011-10-26 08-45-04 -0500 Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE Supported: timer, precondition, path, replaces WWW-Authenticate: Digest realm="199.167.145.102", nonce="740c2df0-0637-11e1-9e6e-6b39c14e0024", algorithm=MD5, qop="auth" Content-Length: 0 send 340 bytes to udp/[122.176.144.226]:13293 at 16:10:09.247665: ------------------------------------------------------------------------ * SIP/2.0 400 Bad Contact Header* Via: SIP/2.0/UDP 122.176.XX.XX:;branch=z9hG4bK-d8754z-7c90ddcd2100ff77-1---d8754z-;rport=13293 From: "1003" <sip:1003@199.167.XX.XX>;tag=d09ca84c To: "1003" <sip:1003@199.167.XX.XX>;tag=DU6e75D452FeH Call-ID: YjM3NWZiZjdkMzMwNTJhMjZkNmRhMWFkMGVkZGM1ZWI. CSeq: 4 REGISTER Content-Length: Errors suggest this to be authentication issue. However i am not able to resolve this. Please advice. Regards Dip