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<TITLE>Linksys SPA-841 Missing Calls</TITLE>
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<P><FONT SIZE=2 FACE="Arial">Hi all, I have been plagued by an issue with my SPA-841 phones. The issue is that frequently, usually after a period of inactivity on the phone, an incoming call will be missed by the phone. The call works, cause the caller ends up at voicemail, but the phone never rings. I've managed to trap one of these missed calls in Asterisk, the log is below. Can anyone make sense of it?</FONT></P>
<P><FONT SIZE=2 FACE="Courier New">Retransmitting #3 (no NAT) to 172.16.140.114:5060:</FONT>
<BR><FONT SIZE=2 FACE="Courier New">NOTIFY sip:3024@172.16.140.114:5060 SIP/2.0</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Via: SIP/2.0/UDP 172.16.199.100:5060;branch=z9hG4bK4bf4b4ef;rport</FONT>
<BR><FONT SIZE=2 FACE="Courier New">From: "asterisk" <sip:asterisk@172.16.199.100>;tag=as10f82be7</FONT>
<BR><FONT SIZE=2 FACE="Courier New">To: <sip:3024@172.16.140.114:5060></FONT>
<BR><FONT SIZE=2 FACE="Courier New">Contact: <sip:asterisk@172.16.199.100></FONT>
<BR><FONT SIZE=2 FACE="Courier New">Call-ID: 1de5b20d5451794842efcf632faba6ac@172.16.199.100</FONT>
<BR><FONT SIZE=2 FACE="Courier New">CSeq: 102 NOTIFY</FONT>
<BR><FONT SIZE=2 FACE="Courier New">User-Agent: Asterisk PBX</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Max-Forwards: 70</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Event: message-summary</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Content-Type: application/simple-message-summary</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Content-Length: 81</FONT>
<BR><FONT SIZE=2 FACE="Courier New"> </FONT>
<BR><FONT SIZE=2 FACE="Courier New">Messages-Waiting: yes</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Message-Account: sip:asterisk@</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Voice-Message: 1/2 (0/0)</FONT>
<BR><FONT SIZE=2 FACE="Courier New"> </FONT>
<BR><FONT SIZE=2 FACE="Courier New">---</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Retransmitting #4 (no NAT) to 172.16.140.114:5060:</FONT>
<BR><FONT SIZE=2 FACE="Courier New">NOTIFY sip:3024@172.16.140.114:5060 SIP/2.0</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Via: SIP/2.0/UDP 172.16.199.100:5060;branch=z9hG4bK4bf4b4ef;rport</FONT>
<BR><FONT SIZE=2 FACE="Courier New">From: "asterisk" <sip:asterisk@172.16.199.100>;tag=as10f82be7</FONT>
<BR><FONT SIZE=2 FACE="Courier New">To: <sip:3024@172.16.140.114:5060></FONT>
<BR><FONT SIZE=2 FACE="Courier New">Contact: <sip:asterisk@172.16.199.100></FONT>
<BR><FONT SIZE=2 FACE="Courier New">Call-ID: 1de5b20d5451794842efcf632faba6ac@172.16.199.100</FONT>
<BR><FONT SIZE=2 FACE="Courier New">CSeq: 102 NOTIFY</FONT>
<BR><FONT SIZE=2 FACE="Courier New">User-Agent: Asterisk PBX</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Max-Forwards: 70</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Event: message-summary</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Content-Type: application/simple-message-summary</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Content-Length: 81</FONT>
<BR><FONT SIZE=2 FACE="Courier New"> </FONT>
<BR><FONT SIZE=2 FACE="Courier New">Messages-Waiting: yes</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Message-Account: sip:asterisk@</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Voice-Message: 1/2 (0/0)</FONT>
<BR><FONT SIZE=2 FACE="Courier New"> </FONT>
<BR><FONT SIZE=2 FACE="Courier New">---</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Retransmitting #5 (no NAT) to 172.16.140.114:5060:</FONT>
<BR><FONT SIZE=2 FACE="Courier New">NOTIFY sip:3024@172.16.140.114:5060 SIP/2.0</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Via: SIP/2.0/UDP 172.16.199.100:5060;branch=z9hG4bK4bf4b4ef;rport</FONT>
<BR><FONT SIZE=2 FACE="Courier New">From: "asterisk" <sip:asterisk@172.16.199.100>;tag=as10f82be7</FONT>
<BR><FONT SIZE=2 FACE="Courier New">To: <sip:3024@172.16.140.114:5060></FONT>
<BR><FONT SIZE=2 FACE="Courier New">Contact: <sip:asterisk@172.16.199.100></FONT>
<BR><FONT SIZE=2 FACE="Courier New">Call-ID: 1de5b20d5451794842efcf632faba6ac@172.16.199.100</FONT>
<BR><FONT SIZE=2 FACE="Courier New">CSeq: 102 NOTIFY</FONT>
<BR><FONT SIZE=2 FACE="Courier New">User-Agent: Asterisk PBX</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Max-Forwards: 70</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Event: message-summary</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Content-Type: application/simple-message-summary</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Content-Length: 81</FONT>
<BR><FONT SIZE=2 FACE="Courier New"> </FONT>
<BR><FONT SIZE=2 FACE="Courier New">Messages-Waiting: yes</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Message-Account: sip:asterisk@</FONT>
<BR><FONT SIZE=2 FACE="Courier New">Voice-Message: 1/2 (0/0)</FONT>
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<P><FONT SIZE=2 FACE="Courier New">[===> Please enter your reply above this line <===]</FONT>
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<P><FONT SIZE=2 FACE="Arial">David A. Morrow</FONT>
<BR><FONT SIZE=2 FACE="Arial">Technical Systems Lead</FONT>
<BR><FONT SIZE=2 FACE="Arial">Autodata Solutions Company</FONT>
<BR><A HREF="mailto:David.Morrow@Autodata.Net"><U><FONT COLOR="#0000FF" SIZE=2 FACE="Arial">David.Morrow@Autodata.Net</FONT></U></A>
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