I do not have to register to the ITSP, so that makes it a bit easier. Thank you for the suggestion! I will try it as soon as I can and get back to you.

I am using SIP Server Evaluation. I have run into the situation where my PBX does not support ITSP, so when the call comes in, it sees the public IP in the header, and does not recognize that IP as itself. It then tries to send the call back to the public IP. Basically, I need something to handle ...

1. Brekeke Product Name and version: SIP Server 2.4.5.5 2. Java version: 6 Update 20 3. OS type and the version: Windows XP Pro 4. UA (phone), gateway or other hardware/software involved: Adtran UC Server and ITSP 5. Select your network pattern from http://www.brekeke-sip.com/bbs/network ...