Re: [OpenSIPStack] opensbc and Nokia IMS problem

[Joegen E. B. <joe...@gm...>]

 From the point of view of OpenSBC ACK for the 487 has never arrived. =20
Thus, it kept on retransmitting the 487.   You sure ACK is sent to=20
exactly the same port (5064) as the original INVITE?


Madarassy L=E1szl=F3 wrote:
> 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=
02...@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=
02...@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:6002@m=
ik.bme.hu
>   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 Cancel=
led
>   5.063144 152.66.87.200 -> 10.0.1.2     SIP Request: CANCEL sip:6002@m=
ik.bme.hu: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:6002@mik.=
bme.hu
>   5.298664     10.0.1.2 -> 152.66.87.200 SIP Status: 487 Request Termin=
ated
>   5.302208 152.66.87.200 -> 10.0.1.2     SIP Request: ACK sip:6002@mik.=
bme.hu:5060
>   5.315231 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request Cancel=
led
>   5.347474    10.0.2.42 -> 152.66.87.200 SIP Request: ACK sip:6002@mik.=
bme.hu
>   6.315403 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request Cancel=
led
>   6.337643    10.0.2.42 -> 152.66.87.200 SIP Request: ACK sip:6002@mik.=
bme.hu
>   8.315561 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request Cancel=
led
>   8.338102    10.0.2.42 -> 152.66.87.200 SIP Request: ACK sip:6002@mik.=
bme.hu
>  12.315907 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request Cancel=
led
>  12.338144    10.0.2.42 -> 152.66.87.200 SIP Request: ACK sip:6002@mik.=
bme.hu
>  16.316108 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request Cancel=
led
>  16.338346    10.0.2.42 -> 152.66.87.200 SIP Request: ACK sip:6002@mik.=
bme.hu
>  20.316413 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request Cancel=
led
>  20.338605    10.0.2.42 -> 152.66.87.200 SIP Request: ACK sip:6002@mik.=
bme.hu
>  24.316693 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request Cancel=
led
>  24.339418    10.0.2.42 -> 152.66.87.200 SIP Request: ACK sip:6002@mik.=
bme.hu
>  28.317090 152.66.87.200 -> 10.0.2.42    SIP Status: 487 Request Cancel=
led
>  28.339596    10.0.2.42 -> 152.66.87.200 SIP Request: ACK sip:6002@mik.=
bme.hu
>
>
> Level 5 debug log attached.
>
> Best regards,
>     Laszlo Madarassy (madar)
>
>  =20
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