doubango can't call, but same network 3cx phone can.

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What steps will reproduce the problem?
1.please see attach files, architecture.jpg is a system architecture.
2. doubango_send.txt is captured by wireshark.
3. 3cx_send.txt is captured by wireshark.

What is the expected output? What do you see instead?

What version of the product are you using? On what operating system?
windows 7
boghe client 2.0.132.808

Please provide any additional information below.

Original issue reported on code.google.com by chenh...@gmail.com on 25 Feb 2013 at 2:43

Attachments:

• doubango_send.txt
• 3cx_send.txt
• architecture.jpg