Thanks for your indication Matt! Although they dont4t have a distributor near hear, I will read more and take informtions about Rabbit solution. For the modem module... What4s the best choose? Module modems (like cermetek, CML Micro, Silicon-labs) or a comercial Modem?? I4m looking for a module modem for learn and implement on my project, but I was thinking that is easier and more available to use a comercial model? What do you think about? hugs, Eron. Matt Pobursky wrote: > Do you have to use a PIC? If not, you could use a Rabbit Semiconductor > RCM2300 module and external modem module. They have the PPP and TCP/IP -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body