and at configuration/system/Network interface address 1, it is the place to put the global ip of the router your sip server connecting to not sip server local ip 10.30.1.1

ok this was my mistake, I thought It was brekeke local IP...my bad.

Thanks for your time, I'll give it a try as soon as I can.

1. Brekeke Product Name and version: Brekeke SIP Server v.2.4.5.5 Academic eval. 2. Java version: 1.5 3. OS type and the version: Windows XP 4. UA (phone), gateway or other hardware/software involved: regular SIP phone 5. Select your network pattern from http://www.brekeke-sip.com/bbs/network ...