Hi Gang
How is record_route() determining if it needs to add two RR Header?
Kamailio 5.8.4
I'm attempting to perform route header hiding by by rebuilding some of
the topos functionality with perl.
So towards the CPE I'm removing all existing RR header and want to
replace them with one header containing an attribute which the CPE is
then sending back and allows me to restore the Route header.
But I came across an issue which an empty RR header being created with
this (simplified) script:
modparam("rr", "enable_double_rr", 1)
perl_exec("hide_route"); # Stores Route-Set and sets $avp(rrattr) as id
remove_hf("Record-Route");
msg_apply_changes();
loose_route(); # Required for record_route()?
add_rr_param(";rr=$avp(rrattr)"); # Add Param to identify saved route set
record_route();
I end up with:
Record-Route: <sip:;r2=on;lr;rr=id007>
Record-Route: <sip:157.161.x.x;r2=on;lr;rr=id007>
The first header missing the IP address, the message being dropped by
the CPE
There is no transport change.
If I set enable_double_rr to 0 only the 2nd RR header is created and
this works as expected but I am not sure if some situations would need
double RR.
What causes the double RR to be created in my case?
Mit freundlichen Grüssen
-Benoît Panizzon-
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