On 06/09/2013 06:35 PM, Nick Khamis wrote: > Anyone? Sangoma has a multiplexer: http://www.sangoma.com/products/stm1mux-fiber-multiplexer/ Which you could then use with: http://www.sangoma.com/products/a116-16-span-t1e1j1-board/ And there is this card: http://www.signalogic.com/index.pl?page=asterisk_ip_pbx Regards, Patrick