Complusory ACK on 200 OK?

Asterisk Asterisk SIP
#1

Hi eveyone,
Just wanted to know if it’s complusory to have ACK response on every 200 OK request ?

Kind Regards

#2

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.

1 Like
#3

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