On Fri, 2008-11-21 at 18:29 +0530, Sathya Chandrakala wrote:
> Hi,
> 
>  The following scenario is not a part of our testing and we
> accidentally came across this. Out of curiosity I would like to know
> the right behavior. Please let me know if this scenario sounds valid. 
> 
> Scenario:
> PhoneB-----------has set call forwarding(at the same time)
> to----------->PhoneA
> 
> Now, PhoneA------calls------->PhoneB
>  
> a) Observation in case of Polycom phones:
> -PhoneB rings ONLY for 7seconds and then gets disconnected. Both
> PhoneA and PhoneB return to idle state.
> -PhoneA does not display call waiting (though PhoneB has set call
> forwarding to PhoneA)
> 
> b) Observation in case of LG-Notel phones:
> -TUI of PhoneA shows call waiting
> -PhoneB rings for 20 seconds and gets disconnected
> -PhoneA rings for a total of 30 seconds then goes into voicemail of
> PhoneB
> 
> Is this a right scenario? If yes then should we report an issue for the 
> Polycom behaviour.

These both sound like bugs.

Phone A should detect that the call is a loop and return a 481 Loop
Detected response.  It should not show anything on the UI about an
incoming call, and there should be no effect on how the call completes
at other targets.

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