According to RFC 3261 section 20.1, Contact header is optional in 1xx responses on INVITE
Contact 1xx - - - o - -
But I agree that it would be a good practice to include it.
Emmanuel
Le 2019-10-02 à 07:04, Tushar Ramoliya
a écrit :
Hello,
I have described my issue on this link please check it.
https://stackoverflow.com/questions/58131896/not-getting-contact-header-in-response-of-180-in-linphone-sdk-packet
Regards,+91 8000280022
Tushar Ramoliya | Sr. iOS Developer
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