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> I'm getting this error when I send a fax. Then its not an unknown error, it is this error > > "Unspecified Transmit Phase D error, including +FPHCTO timeout between data" Phase D is the low speed protocol exchange between pages. The timeout in question occurs when the computer sends the page but fails to send a subsequent command. The log files, would, as always, help put this into context, and make it easier to determine whether it was the timeout or an other non-specific protocol violation at this point. In default, I would guess that you overran the modem due to broken flow control. > Should i be using a specific flag when using 'sendfax'? Any configuration relates to faxsend, not sendfax and will depend on you modem and computer.