[reSIProcate] Stale Call Timer

[Thomas Troy <thomas.troy@xxxxxxxxxxxxxxxxxxxx>]

Hi,

 

I was recently looking at controlling how to take down a call that hasn’t been answered within a reasonable time frame. One of the ways to do this is the StaleCallTimer which calls onStaleCallTimeout in the InviteSessionHandler.

 

However, this cannot be relied upon to give a consistent user experience because resiprocate takes the user profile setting and adds a random number of seconds (up to 120) when starting the timer. I’m just wondering what is the reasoning for this?

 

 

void

ClientInviteSession::startStaleCallTimer()

{

   InfoLog (<< toData(mState) << ": startStaleCallTimer");

   unsigned long when = mDialog.mDialogSet.getUserProfile()->getDefaultStaleCallTime();

   when += Random::getRandom() % 120;

 

   mDum.addTimer(DumTimeout::StaleCall,

                 when,

                 getBaseHandle(),

                 ++mStaleCallTimerSeq);

}

 

Regards,

Thom

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