No subject

NOTIFY..
Call-ID: 54fea721-a9bb8f8a-9309f5f7 at 192.168.1.105..
Content-Length: 610..
User-Agent: OpenSIPS (1.6.4-2-notls (x86_64/linux))..
Max-Forwards: 70..
Event: dialog..
Contact: <sip:@xxx.xxx.xxx.11:5060>..
Subscription-State: active;expires=3572..
Content-Type: application/dialog-info+xml....
<?xml version="1.0"?>.
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="11"
state="partial" entity="3475 at registrar">
<dialog id="E444B00A-1DD1-11B2-91A6-FBB370DC369E at 192.168.1.136"
    call-id="E444B00A-1DD1-11B2-91A6-FBB370DC369E at 192.168.1.136"
direction="initiator">
<state>confirmed</state>
<remote><identity>sip:3425 at registrar</identity><target
uri="sip:3425 at registrar"/></remote>
<local><identity>sip:3475 at registrar</identity><target
uri="sip:3475 at registrar.warp2biz.com"/></local></dialog></dialog-info>.

NOTIFY sip:3466 at my.ip:5061 SIP/2.0..
Via: SIP/2.0/UDP xxx.xxx.xxx.11;branch=z9hG4bK0e0f.81b81c53.0..
To: <sip:3466 at registrar>;tag=6B85955A-87D7D107..
From: <sip:3475 at registrar>;tag=a76b7752a9a4c30bb313545e6969938d-4ac6..
CSeq: 13 NOTIFY..
Call-ID: 54fea721-a9bb8f8a-9309f5f7 at 192.168.1.105..
Content-Length: 569..
User-Agent: OpenSIPS (1.6.4-2-notls (x86_64/linux))..
Max-Forwards: 70..
Event: dialog..
Contact: <sip:@xxx.xxx.xxx.11:5060>..
Subscription-State: active;expires=3568..
Content-Type: application/dialog-info+xml....
<?xml version="1.0"?>.<dialog-info
xmlns="urn:ietf:params:xml:ns:dialog-info" version="12"
state="partial" entity="3475 at registrar">
<dialog id="49eeed6563b56fc3011d024d4690a949 at xxx.xxx.xxx.7"
    call-id="49eeed6563b56fc3011d024d4690a949 at xxx.xxx.xxx.7"
direction="recipient">
<state>terminated</state>
<remote><identity>sip:3466 at xxx.xxx.xxx.7</identity>
<target uri="sip:3466 at xxx.xxx.xxx.7"/></remote>
<local><identity>sip3475 at xxx.xxx.xxx.7:6060</identity>
<target uri="sip:3475 at xxx.xxx.xxx.7:6060"/></local></dialog></dialog-info>.