Based on the xlog output, the following doesn't
appear to be working -
remove_hf("Contact");
append_hf("Contact: $var(newct)\r\n");
I've actually had a similar issue before replacing a hdr so I'm wondering if
I'm doing something wrong?
Header manipulation is doesn't update the already parsed message that is being
used for $hdr etc. You have to apply the changes with
http://kamailio.org/docs/modules/stable/modules/textopsx.html#textopsx.f.ms…