Hi eveyone,
Just wanted to know if it’s complusory to have ACK response on every 200 OK request ?
Kind Regards
Hi eveyone,
Just wanted to know if it’s complusory to have ACK response on every 200 OK request ?
Kind Regards
It is compulsory to send an ACK request for every final response, but only for INVITE transactions. Final responses are 200 and upwards.
Receipt of the ACK stops the re-transmission of the response.