Even simpler, didn't think of just sending to
differenct ipadresses. So
just set the forced ip to sip:$Ri:$Rp. If you use $fs instead of the old
force_send_socket() it is as simple as: $fs="sip:$Ri:$Rp".
Well, that and
also the SIP-URI as the potential identifier, I
thought. Which is neater?