Great! This is just what I have been looking for! I will test as soon as possible. (Actually, I cannot test all by myself because "100.X.X.X" is not assigned in my town(Tokyo)... :cry: ) Let me ask another question. Where can I find reference of advance settings like "net.internal-addr.pattern ...

1. Brekeke Product Name and Version: Brekeke SIP Server , Version 3.3.4.4 Standard 2. Java version: 1.7.0_45 3. OS type and the version: Windows Server 2008 R2 4. UA (phone), gateway or other hardware/software involved: IMSDroid custom (Android) 5. Your problem: One Japanese mobile carrier is using ...