[Serusers] sipsak EoH ERROR

Hi, I am trying to send a SIP NOTIFY from my voicemail server to my SER that looks like this: NOTIFY sip:2125553720@sip.domain.net SIP/2.0 Via: SIP/2.0/UDP 192.168.1.10:5060 <http://192.168.1.10:5060> From: <sip:vmserver@sip.domain.net> To: <sip:2124003720@sip.domain.net> Contact: <sip:3720@192.168.1.10> Call-ID: 4d61cf9e505d40e905032a18329d61ec at 192.168.1.10<http://192.168.1.10> CSeq: 1 NOTIFY User-Agent: VoiceMail Event: message-summary Content-Type: application/simple-message-summary Content-Length: 39 Messages-Waiting: yes Voicemail: 2/8 but SER gives me the error: Jul 1 10:59:38 sip ser[10363]: ERROR: t_newtran: EoH not parsed Jul 1 10:59:38 sip ser[10363]: ERROR: sl_reply_error used: I'm terribly sorry, server error occurred (1/SL) Can anyone offer a suggestion? Thank you for your time. Dan