Hi,
I have MP-124 device with SIP. So I have problem with registration , I get error in Asterisk:
SIP/2.0 481 Call/Transaction Does Not Exist.
I have created in asterisk each fxs port as a user in sip.conf. So in calls there is no problem. I can call everywhere, but in logs I see this messages, so I want to avoid it. Maybe somebody has MP-124 and has no problem and can give me some advice how to fix this problem. Thanks


This my trace:
#
U 192.168.1.1:5060 -> 192.168.1.2:5060
NOTIFY sip:[EMAIL PROTECTED] SIP/2.0.
Via: SIP/2.0/UDP 192.168.1.1:5060;branch=z9hG4bK26434b38.
From: "Unknown" <sip:[EMAIL PROTECTED]>;tag=as56d969af.
To: <sip:[EMAIL PROTECTED]>.
Contact: <sip:[EMAIL PROTECTED]>.
Call-ID: [EMAIL PROTECTED].
CSeq: 102 NOTIFY.
User-Agent: Asterisk PBX.
Max-Forwards: 70.
Event: message-summary.
Content-Type: application/simple-message-summary.
Content-Length: 92.
.
Messages-Waiting: no.
Message-Account: sip:[EMAIL PROTECTED].
Voice-Message: 0/0 (0/0).

#
U 192.168.1.2:5060 -> 192.168.1.1:5060
SIP/2.0 481 Call/Transaction Does Not Exist.
Via: SIP/2.0/UDP 192.168.1.1:5060;branch=z9hG4bK26434b38.
From: "Unknown" < sip:[EMAIL PROTECTED]>;tag=as56d969af.
To: <sip:[EMAIL PROTECTED]>;tag=1c1736631378.
Call-ID: [EMAIL PROTECTED].
CSeq: 102 NOTIFY.
Contact: <sip:192.168.1.2>.
Supported: em,timer,replaces,path.
Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE.
Content-Length: 0.
.


Asterisk is 192.168.1.1 and MP-124 is 192.168.1.2.
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