[SR-Users] No contact info(0 bindings) in 200-register

[sgy]

Hi Members,

I notice an issue: the client register to kamailio server and could receive 200-register message, but no contact infomation(shows 0 bindings) returns in the message(200-register). I checked contact exist in register message and client shows register successfully. When I run command "kamctl online", the client is not online. Could you met with this issue? Expected to your help, thank you very much.
 
Register:
REGISTER sip:12.2.1.197 SIP/2.0
Via: SIP/2.0/UDP 12.2.1.180:5060;rport;branch=z9hG4bKPjWScZ6O7MbSbtauTPHcKpjzsHb5U6wxGP
Route: <sip:12.2.1.197;lr>
Max-Forwards: 70
From: "2016" <sip:2016 at 12.2.1.197>;tag=jqx1XzTgoS-XKh-S3LyrYmjrCBSqJZ48
To: "2016" <sip:2016 at 12.2.1.197>
Call-ID: AiD6dDi6YOK4.ArBsMpse2MQEoh4dBmP
CSeq: 12358 REGISTER
User-Agent: A-client
Contact: "2016" <sip:2016 at 12.2.1.180:5060;ob>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-000000020805>";reg-id=0
Supported: geolocation, gruu, path, outbound, answermode, tdialog, replaces, timer, precondition, norefersub
Expires: 3600
Allow: INVITE, ACK, BYE, CANCEL, UPDATE, INFO, NOTIFY, REFER, MESSAGE, OPTIONS
Authorization: Digest username="2016", realm="12.2.1.197", nonce="Vq8AMFau/wTtkI9/v58I86rqhbvPhSTW", uri="sip:12.2.1.197", response="aebb4a141197b2200bdfc5dce008d9ac"
Content-Length:  0


200-Register: //No contact infomation
rE/@SIP/2.0 200 OK
Via: SIP/2.0/UDP 12.2.1.180:5060;rport=5060;branch=z9hG4bKPjpBm-dzHb.9vJY19Ccy9Yz8sx7jigkAM1;received=12.2.1.180
From: "2015" <sip:2015 at 12.2.1.197>;tag=tVTyij9jGH8wprKa2olsevAockWFs8k0
To: "2015" <sip:2015 at 12.2.1.197>;tag=090f6aa955fd574e08bca845127013d9.2885
Call-ID: fIQWmPXYtdkT94lzPscrMjzj3R5san9g
CSeq: 58932 REGISTER
Server: kamailio (4.2.0 (x86_64/linux))
Content-Length: 0


Best Regards,
Shengy
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