asterisk users - May 2009 - asterisk-users Digest, Vol 58, Issue 9

<--- SIP read from 192.168.32.245:5060 --->
SIP/2.0 481 CallLeg/Transaction Does Not Exist
Via: SIP/2.0/UDP 192.168.32.16:5060;branch=z9hG4bK7508a694;rport
From: "asterisk"<sip:asterisk at 192.168.32.16>;tag=as2ff08179
To: <sip:5386 at 192.168.32.245:5060;user=phone>;tag=c0a80101-2ce1bc03
Call-ID: 2fa28b4-c0a80101-d-9acc at 192.168.32.245
CSeq: 143 NOTIFY
Content-Length: 0





Reliably Transmitting (no NAT) to 192.168.32.245:5060:
NOTIFY sip:5386 at 192.168.32.245:5060;user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.32.16:5060;branch=z9hG4bK7508a694;rport
From: "asterisk" <sip:asterisk at 192.168.32.16>;tag=as2ff08179
To: <sip:5386 at 192.168.32.245:5060;user=phone>;tag=c0a80101-2ce1bc03
Contact: <sip:asterisk at 192.168.32.16>
Call-ID: 2fa28b4-c0a80101-d-9acc at 192.168.32.245
CSeq: 143 NOTIFY
User-Agent: Asterisk PBX
Max-Forwards: 70
Event: message-summary
Content-Type: application/simple-message-summary
Subscription-State: active
Content-Length: 93

Messages-Waiting: no
Message-Account: sip:asterisk at 192.168.32.16
Voice-Message: 0/2 (0/0)

Can anyone help me out with this? 

I just recently upgraded to asterisk 1.4.24.1. 

Use Thomson ST2030s sip phones.