aPG0Lэh^ttS'Grandstream phone' p1 .Grandstream .*S'AVM or Speedport' p1 .AVM FRITZ!S'Linksys or Sipura' p1 .(Linksys|Sipura)/(PAP|RT|SPA|WRTP).*PG0Lэh^S'Linksys or SipuraS'Brcm Callctrl' p1 .Brcm Callctrl.*S'Linksys WRTP54G' p1 .WRTP54G.*