Hi After re-subscribing to a user presence, we receive immediately a NOTIFY with no content:
NOTIFY sip:us...@xx.xx.xx.xx:5060 SIP/2.0 Via: SIP/2.0/UDP YY.YY.YY.YY:6667;branch=z9hG4bK34ab.7700bc14.0 To: <sip:us...@mycompany.com <sip%3aus...@mycompany.com>>;tag=14257163 From: <sip:us...@mycompany.com <sip%3aus...@mycompany.com> >;tag=9886f112d485ff608a79084eaa27a247-48fb CSeq: 5 NOTIFY Call-ID: 87cbad243e9c1b48c8333cbbb99cb...@xx.xx.xx.xx Route: <sip:YY.YY.YY.YY:6666;lr=on> Content-Length: 0 User-Agent: OpenSIPS (1.5.2-notls (x86_64/linux)) Max-Forwards: 70 Event: presence Contact: <sip:s...@yy.yy.yy.yy:6667> Subscription-State: active;expires=100 and then few seconds later I receive a NOTIFY with the proper presence document. Which are the possible reasons why the presence server sends an "empty" NOTIFY ? Cheers Pascal
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