Have you ever seen Date header in INVITE dialog?

[oliv2831]

Hello,

RCF 3261’s section 20.17 mentions Date header.
Have you ever seen it used in Asterisk or elsewhere ?

Best regards

[tomeko]

Apparently yes. I don’t know what this system is using underneath.

INVITE sip:239@xxx SIP/2.0
Via: SIP/2.0/UDP xxx;branch=z9hG4bK77eda556;rport
Max-Forwards: 70
From: “101” sip:4014@xxx;tag=as463584c3
To: sip:239@xxx
Contact: sip:4014@xxx
Call-ID: 282dd7c65f1cc6932ddeb73f1ce293d9@xxx
CSeq: 102 INVITE
User-Agent: Infotel IP PBX
Date: Mon, 08 Jun 2015 08:44:23 GMT
Session-Expires: 1800
Min-SE: 90
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 541

v=0
o=InfotelSIPCert-GW-UserAgent 106435199 106435199 IN IP4 xxx
s=SIP Call
c=IN IP4 xxx
b=CT:384
t=0 0
m=audio 11874 RTP/AVP 8 0 101
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
m=video 10138 RTP/AVP 98 99
a=rtpmap:98 h263-1998/90000
a=fmtp:98 F=0;I=0;J=0;T=0;K=0;N=0;BPP=0;HRD=0
a=rtpmap:99 H264/90000
a=fmtp:99 redundant-pic-cap=0;parameter-add=0;packetization-mode=0;level-asymmetry-allowed=0
a=sendrecv