<p>Hi all,</p>

<p>There is no any problem As title, i just want to ask how to modify VIA header with kamailio. <br>
example. REGISTER ==>  Kamailio ===> reply 200 OK. So in 200 OK message, i will add some additional parameters.<br>
Thank in advance.</p>

<p>Brs/Bao</p>

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