[Serusers] Usrloc entries not expiring in memory

Hi, Any idea why usrloc entries start having negative values in the Expires Parameter and never seem to go away? We have a ton of users like this: ...Record(0xb57f93f0)... domain: 'location' aor : &#39;305421XXXX(a)maui.telesip.net&#39; ~~~Contact(0xb57ecf50)~~~ domain : 'location' aor : &#39;305421XXXX(a)maui.telesip.net&#39; Contact : 'sip:305421XXXX@205.X.X.X:58061' Expires : -645 <=============CHECK THIS OUT??? q : Call-ID : &#39;bd58393-5bfdccb9(a)192.168.1.100&#39; CSeq : 1477 replic : 0 User-Agent: 'Linksys/PAP2-2.0.12(LS)' received : '' State : CS_NEW Flags : 0 next : 0xb5bcf2ac prev : (nil) ~~~/Contact~~~~ ~~~Contact(0xb5bcf2ac)~~~ domain : 'location' aor : &#39;305421XXXX(a)maui.telesip.net&#39; Contact : 'sip:305421XXXX@205.X.X.X:57915' Expires : 602 <= SAME USER...HERE HE IS FINE q : Call-ID : &#39;de2f27c3-22fcf655(a)192.168.1.100&#39; CSeq : 6 replic : 0 User-Agent: 'Linksys/PAP2-2.0.12(LS)' received : '' State : CS_NEW Flags : 0 next : (nil) prev : 0xb57ecf50 ~~~/Contact~~~~ -- Andres Network Admin http://www.telesip.net