Hi,

Indeed, from what I've checked so far, the $var() value is initialized to 0. This is done when kamailio starts.

However, the issue we faced is more related to this excerpt from kamailio cookbooks, pseudovariables:

Note: A script variable persists over the Kamailio process in which it was initialized, so be sure of giving it a new value before reading it or you'll get the value asigned in any other previous message processed by the same Kamailio process (pid). 

Let me know if now its more clear what the PR tries to warn.

Thank you,
Stefan


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