Where does the value set in the Date header of a SIP message come from?
For some reason the time is always 2 hours behind.
These are my time settings:
clock timezone GMT 1 0
clock summer-time GMT recurring last Sun Mar 2:00 last Sun Oct 2:00
ntp server 192.168.1.89
Show clock does show the correct time.
15:34:18.006 GMT Thu Aug 23 2012
Anyone have an idea how to set the Date header to the correct time?
Is this a cisco Gateway? My sip message date/timing is consistent with the time on the gateway..The timestamp should reflect the time of the gateway.
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"'Nature is too thin a screen, the glory of the omnipresent God bursts through it everywhere"-Ralph Waldo Emerson
Yes, this is a Cisco Gateway. We're using two 3925. When the calls are originated by us, the timestamp is still 2 hours behind which I find weird. When receiving requests from our SIP provider there is no Date header present in the initial INVITE. When we send the 100 Trying back, that's when a Date header is added.
I believe it is a timezone issue. I've changed the timezone to
clock timezone CET 1 0
clock summer-time CET recurring last Sun Mar 2:00 last Sun Oct 2:00
But the Date header still shows GMT. Performed a reload, but without any change to the Date header timezone value
For incoming SIP, the originator is our SIP provider.
For outgoing SIP, the originator is a TCL script which calls a certain destination.
It may be an issue with how the TCL script is pulling the date value. I don't know anything about TCL though, so I won't be able to help you with that.