My proxy does some number normalization in order to guarantee E164
numeration. It also verifies for valid Calling Numbers and replaces them if

In order to this, i'm updating the $fU pseudo-variable. Should i update the
"Contact" Header too? I've made some testing and i can get calls to work
with keeping the Contact intact and changing it to the new number. What is
the most correct approach?


Duarte Rocha
Kamailio (SER) - Users Mailing List

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