[OpenSIPStack] opensbc and Nokia IMS problem

[<lma...@mi...>]

Hi,

Situation:
User 1 is behind Nokia IMS (IMS ip address: 10.0.2.42)
User 2 is behind Huawei IMS (IMS ip address: 10.0.1.2)
OpenSBC is between them.

User 1 calls User 2 through OpenSBC. The phone rings and User 1 cancel =
the call. The Request cancelled and the ACK starts repeating 10-20 times =
between OpenSBC and Nokia IMS.

Here is the call flow:


  3.263009    10.0.2.42 -> 152.66.87.200 SIP/SDP Request: INVITE =
sip:60...@mi..., with session description
  3.267592 152.66.87.200 -> 10.0.2.42    SIP Status: 100 Trying
  3.283042 152.66.87.200 -> 10.0.1.2     SIP/SDP Request: INVITE =
sip:60...@mi...:5060, with session description
  3.305314     10.0.1.2 -> 152.66.87.200 SIP Status: 100 Trying
  3.593619     10.0.1.2 -> 152.66.87.200 SIP Status: 180 Ringing
  3.601167 152.66.87.200 -> 10.0.2.42    SIP Status: 180 Ringing
  5.050239    10.0.2.42 -> 152.66.87.200 SIP Request: CANCEL =
sip:60...@mi...
  5.057885 152.66.87.200 -> 10.0.2.42    SIP Status: 200 OK
  5.062168 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request =
Cancelled
  5.063144 152.66.87.200 -> 10.0.1.2     SIP Request: CANCEL =
sip:60...@mi...:5060
  5.081024     10.0.1.2 -> 152.66.87.200 SIP Status: 200 OK
  5.088118    10.0.2.42 -> 152.66.87.200 SIP Request: ACK =
sip:60...@mi...
  5.298664     10.0.1.2 -> 152.66.87.200 SIP Status: 487 Request =
Terminated
  5.302208 152.66.87.200 -> 10.0.1.2     SIP Request: ACK =
sip:60...@mi...:5060
  5.315231 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request =
Cancelled
  5.347474    10.0.2.42 -> 152.66.87.200 SIP Request: ACK =
sip:60...@mi...
  6.315403 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request =
Cancelled
  6.337643    10.0.2.42 -> 152.66.87.200 SIP Request: ACK =
sip:60...@mi...
  8.315561 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request =
Cancelled
  8.338102    10.0.2.42 -> 152.66.87.200 SIP Request: ACK =
sip:60...@mi...
 12.315907 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request =
Cancelled
 12.338144    10.0.2.42 -> 152.66.87.200 SIP Request: ACK =
sip:60...@mi...
 16.316108 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request =
Cancelled
 16.338346    10.0.2.42 -> 152.66.87.200 SIP Request: ACK =
sip:60...@mi...
 20.316413 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request =
Cancelled
 20.338605    10.0.2.42 -> 152.66.87.200 SIP Request: ACK =
sip:60...@mi...
 24.316693 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request =
Cancelled
 24.339418    10.0.2.42 -> 152.66.87.200 SIP Request: ACK =
sip:60...@mi...
 28.317090 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request =
Cancelled
 28.339596    10.0.2.42 -> 152.66.87.200 SIP Request: ACK =
sip:60...@mi...


Level 5 debug log attached.

Best regards,
    Laszlo Madarassy (madar)