[OpenSIPS-Users] call_token_avp call control

[samuel]

Hi folks,

We were recently playing around with call control application and came
across the parameter call_token_avp. There's an explanation in the README
file and the code does exactly what is written: select whether 2 INVITEs
with same Call-ID belongs to the same call.
In the code, it seems as the call is being rated again (it's removed from
user_calls structure and the setup is being called again).

Could anyone confirm whether above assumption is right?

Besides, what is the use case behind this parameter? In which case is it
necessary to use the token to indicate that the second INVITE belongs to
the same call? Migh it be controlling retransmissions of the same INVITE?

Thanks a lot in advance,
Samuel
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