So, a quick look through a full session of a call between two SIP phones doesn't show that there is a Date: header being inserted anywhere in the SIP headers. I _swear_ I saw that earlier, and in fact, I recall watching Mark fix some syntax this spring on the floor of the VON show to make the SNOM phones work correctly for call timestamps. I even found the Date: header code block in chan_sip, but no evidence of it in a packet dump with CVS from this morning. Is it only inserted under special circumstances, or is it on any transmission? JT