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<DIV><FONT size=2 face=Arial>Is there a way to ensure that the source IP address
from witch the SIP user register is not tampred with , is there a feild in the
SIP register message header can be used to achive this security
?</FONT></DIV>
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<DIV><FONT size=2 face=Arial>i have an asterisk server in witch SIP users
register through an SBC(session border controller) , i wanna make sure
that those users are really registering from the IP they are claimming they are
registering from and that the source IP not changed in the middle of the path
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<DIV><FONT size=2
face=Arial> </FONT></DIV>
<DIV><FONT size=2 face=Arial>|SIP
client|-----------|internet|-----------|SBC|----------|asterisk|</FONT></DIV>
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face=Arial>
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