[SIPForum-discussion] Change of contact field when behind NAT

rahul sankanur rahul.sankanur at gmail.com
Tue Oct 1 11:00:06 UTC 2013

Hello all,

When we are behind NAT, we need to change the 'c=' field and the 'm=' field
for changing the ip address and port respectively.

I wanted to know if we have to change the *contact *field in the message
header when we are behind NAT..Does the rfc specify the change ?

Best regards,
Rahul Sankanur
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