<div>If my PC has two IP address, How to decide the IP which using to send REGISTER message??</div>
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<div>For example, I have two IP , 172.30.30.XXX for External and 192.168.60.XXX for Internal,</div>
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<div>and now i want to add two gateway, one is 210.XXX.XXX.XXX and the other one is 192.168.60.30,</div>
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<div>How to change the IP that i want to use??</div>