[sr-dev] [kamailio/kamailio] Siptrace (#1912)

[Daniel-Constantin Mierla]

To get the value of the variable, being $null or something else, then you have to use some internal fixup function -- maybe ds_select_dst() from dispatcher has something like that, not 100% sure though.

Anyhow, the best in my option would be an empty string in this case. There are couple of other functions with the same behaviour (e.g., t_on_branch("") ...).

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