[OpenSIPS-Users] Error relaying ACK to the same IP but different port

[Adrian Georgescu]

Gustavo,

If you post your configuration you score more chances to get useful  
help from somebody. What you have just showed can have an infinite  
number of reasons without a configuration.

Adrian

On Nov 13, 2008, at 6:02 PM, Gustavo Mistrinelli wrote:

> Hello, I have a schema composed by OpenSIPS (10.20.200.1:5060) and  
> B2BUA-Asterisk (10.20.200.1:5070) ,
>
> Here goes a call flow from a hardphone (10.10.115.113) to a  
> Conference Number located in another server (Asterisk: 192.168.0.1)
> I found an issue, see timeframe 0.028, you can see OpenSIPS sending  
> an ACK to itself at the same port(5060) when it should be to 5070,  
> Then B2BUA send again 200OK to OpenSIPS..and go on...
> If I put B2BUA in another server using and same port (5070) it works  
> fine.. :S
>
> |Time     | 10.10.115.113     | 10.20.200.1           |
> |0.000    |         INVITE SDP ( telephone-event)     |SIP From: sip:user1 at 10.20.200.1 
>  To:sip:58233 at 10.20.200.1
> |         |(5060)   ------------------>  (5060)       |
> |0.000    |         407 Proxy Authentication Required |SIP Status
> |         |(5060)   <------------------  (5060)       |
> |0.004    |         ACK       |                       |SIP Request
> |         |(5060)   ------------------>  (5060)       |
> |0.009    |         INVITE SDP ( telephone-event)     |SIP From: sip:user1 at 10.20.200.1 
>  To:sip:58233 at 10.20.200.1
> |         |(5060)   ------------------>  (5060)       |
> |0.009    |         100 Trying|                       |SIP Status
> |         |(5060)   <------------------  (5060)       |
> |0.012    |                   |         INVITE SDP ( telephone- 
> event)SIP Request
> |         |                   |(5060)   ------------------>(5070)
> |0.012    |                   |         100 Trying|SIP Status
> |         |                   |(5070)   ------------------>(5060)
> |0.013    |                   |         200 OK SDP ( telephone- 
> event)SIP Status
> |         |                   |(5070)   ------------------>(5060)
> |0.013    |         200 OK SDP ( telephone-event)     |SIP Status
> |         |(5060)   <------------------  (5060)       |
> |0.027    |         ACK       |                       |SIP Request
> |         |(5060)   ------------------>  (5060)       |
> |0.028    |                   |         ACK           |SIP Request
> |         |                   |(5060)   ------------------>(5060)
> |1.021    |                   |         200 OK SDP ( telephone- 
> event)SIP Status
> |         |                   |(5070)   ------------------>(5060)
> |1.021    |         200 OK SDP ( telephone-event)     |SIP Status
> |         |(5060)   <------------------  (5060)       |
> |1.038    |         ACK       |                       |SIP Request
> |         |(5060)   ------------------>  (5060)       |
> |1.038    |                   |         ACK           |SIP Request
> |         |                   |(5060)   ------------------>(5060)
> |2.021    |                   |         200 OK SDP ( telephone- 
> event)SIP Status
> |         |                   |(5070)   ------------------>(5060)
> |2.021    |         200 OK SDP ( telephone-event)     |SIP Status
> |         |(5060)   <------------------  (5060)       |
> |2.036    |         ACK       |                       |SIP Request
> |         |(5060)   ------------------>  (5060)       |
> |2.036    |                   |         ACK           |SIP Request
> |         |                   |(5060)   ------------------>(5060)
> |4.021    |                   |         200 OK SDP ( telephone- 
> event)SIP Status
> |         |                   |(5070)   ------------------>(5060)
> |4.021    |         200 OK SDP ( telephone-event)     |SIP Status
> |         |(5060)   <------------------  (5060)       |
> |4.032    |         ACK       |                       |SIP Request
> |         |(5060)   ------------------>  (5060)       |
> |4.032    |                   |         ACK           |SIP Request
> |         |                   |(5060)   ------------------>(5060)
> |8.021    |                   |         200 OK SDP ( telephone- 
> event)SIP Status
> |         |                   |(5070)   ------------------>(5060)
> |8.021    |         200 OK SDP ( telephone-event)     |SIP Status
> |         |(5060)   <------------------  (5060)       |
> |8.033    |         ACK       |                       |SIP Request
> |         |(5060)   ------------------>  (5060)       |
> |8.034    |                   |         ACK           |SIP Request
> |         |                   |(5060)   ------------------>(5060)
> |12.021   |                   |         200 OK SDP ( telephone- 
> event)SIP Status
> |         |                   |(5070)   ------------------>(5060)
>
> Thanks in advance,
> -- 
> Gustavo Mistrinelli
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