<div><font style="BACKGROUND-COLOR: #91df9e">Hi!</font></div>
<div><font style="BACKGROUND-COLOR: #91df9e"></font> </div>
<div><font style="BACKGROUND-COLOR: #91df9e"> Now I use opensips as a v4-v6 gateway.so I want to change every ipv4 address in VIA header to ipv6 address. How can I accomplish this? </font></div>
<div><font style="BACKGROUND-COLOR: #91df9e"> For example£º</font></div>
<div><font style="BACKGROUND-COLOR: #91df9e"> Via: SIP/2.0/UDP 192.25.132.227:5069;branch=z9hG4bKdf6e.49b8c2c2.0</font></div>
<div><font style="BACKGROUND-COLOR: #91df9e"></font> </div>
<div><font style="BACKGROUND-COLOR: #91df9e"> ---------></font></div>
<div><font style="BACKGROUND-COLOR: #91df9e"> Via: SIP/2.0/UDP [2002:da8:214:1115:b0cc:8604:1fc9:6448]:5069;branch=z9hG4bKdf6e.49b8c2c2.0</font></div>
<div><font style="BACKGROUND-COLOR: #91df9e"></font> </div>
<div><font style="BACKGROUND-COLOR: #91df9e">Thanks a lot£¡</font></div>