Joe Ferraro wrote: however my Asterisk system is essentially in the way .. You too? People think I'm nuts when I tell them my answering machine is a Linux box... A serious question, though - which codec are you using? ulaw, gsm, g729, other ? The problem with using modems and VoIP is that all the codecs are designed to compress voice and don't do well with modem tones. The exception is ulaw/G711, which doesn't compress at all. Bob