It depends on the firewall - if it is very restrictive there is no way to pass by (except using the https proxy like skype does).

regards, klaus

support wrote:

Hi,

My understanding on SIP outbound proxy server is that it can solve the NATed clients problem, while typically proxy server cannot do this. Do you agree?

However, can outbound proxy server cannot solve the firewall problem? I think it cannot do that. Do you agree?

Thomas

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