Hi all,
Can't receive a 500 (Server Internal Error) response from openser register 
server when sending a REGISTER with the equal CSeq header field value to the 
last value of CSeq or lower than the number and “*” in a Contact header field. 
The details can be as follows:
1 Test topology:


                   NUT(REG && PX)           UA11                         UA12   
                        DNS
                        |                      |                          |     
                         |
IP          : 3ffe:501:ffff:50::50   3ffe:501:ffff:1::1          
3ffe:501:ffff:2::2                3ffe:501:ffff:4::1
aor-uri     : ss.under.test.com      [email protected]         
[email protected]
contact-uri :                        [email protected]    
[email protected]
2  tcpdump file can be seen in "12 SIP Registrar- Record-Route header field in 
REGISTER request" attachment
3  openser configuration file can be seen in "openser.cfg" attachment
How can I modify the configuration file if I want to receive the 500?

--------------------------------------
Regards!
Hu xiaoqiang

Attachment: 14 SIP Registrar- SIP Register-Sequence Number is not Incremented.pcap
Description: Binary data

Attachment: openser.cfg
Description: Binary data

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