[SR-Users] Doing automatic unregister when a WEBSOCKET connection is closed.

[Juha Heinanen]

Peter Dunkley writes:

> 3) Use a hash-table to store $ruid, $tU, and $td indexed on $si:$sp
> 4) Then when event_route[websocket:closed] is called you can retrieve the
> information from the hash table and call unregister().  Use the $tU and
> $td you have cached to construct the unregister() URI parameter.

why does unregister need $tU and $td params, because $ruid alone
uniquely identifies the contact to be unregistered?

-- juha