Accursio Avona wrote: > Hi all, > > someone ca suggest me an ata device that can send an hook-flash to fxo > port from voip? The sipura spa3000 can do it. The user (on the fxs port) must double-flash to make the pstn (fxo) port flash. I don't know of a way for a sip device (or any other non-fxs port device) to cause a pstn (fxo) flash.