Re: [Sip-implementors] Precondition is added into 200OK re-INVITE

Hi Paul,My concern is not about fax machine, it is about my system when it receives re-INVITE with no precondition, but it adds precondition to the 200 OK.Thanks,A.CSent from my Samsung Galaxy smartphone. Original message From: Paul Kyzivat Date: 4/18/19 23:21 (GMT+07:00)

Re: [Sip-implementors] is Contact Header Mandatory and could be anonymous in the INVITE

Hi Guillermo,  Contact header could be anonymous in some cases. An example is when you hide your Caller ID. A.C Sent from my Samsung Galaxy smartphone. Original message From: "Zuñiga, Guillermo" Date: 3/2/18 05:07 (GMT+07:00) To: Aman