1.5.2. record_route() and record_route(string)

The function adds a new Record-Route header field. The header field will be inserted in the message before any other Record-Route header fields.

If any string is passed as parameter, it will be appended as URI parameter to the Record-Route header. The string must follow the ";name=value" scheme and it may contain pseudo-variables.

This function can be used from REQUEST_ROUTE, BRANCH_ROUTE and FAILURE_ROUTE.

Example 1-7. record_route usage

...

record_route();

...

http://www.openser.org/docs/modules/1.2.x/rr.html#RECORD-ROUTE-ID