I use a linksys UA and didn't find such problem. However, there is something different. Because I did a packet capture on the server and found that the the initial register packet from the linksys UA did not carry Authen header so server would reply a 401 unauthorized packet. However, the UA I used ...

> 4. UA (phone), gateway or other hardware/software involved: Why did you not tell your UA's product name? If you use a SIP compliant client, the problem will not happen.. Sorry, I do not know exactly what the product name is. However, from the server [View clients] page, it displays as 'User Agent ...

1. Brekeke Product Name and version: Brekeke SIP Server 2.4.3.9/286, evaluation 2. Java version: 1.6.0 3. OS type and the version: linux,2.6.31.6-162.fc12.i686.PAE 4. UA (phone), gateway or other hardware/software involved: 5. Select your network pattern from http://www.brekeke-sip.com/bbs/network ...