maybe i can help you out...here is what some of my setup files look like:
start off with /etc/ppp/options
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/dev/tty00
57600
noipdefault
connect '/etc/ppp/chatfile'
modem
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my /etc/ppp/chatfile looks like:
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#!/bin/sh
/usr/sbin/chat -v \
""  "atz" \
"OK"  "ate1v1" \
"OK"  "atdt<dialupnumber>" \
"ogin: " "<myuseridhere>" \
"assword: " "<mypasswordhere>"
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my /etc/resolv.conf looks like:
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domain ziplink.net
nameserver 199.232.240.3
nameserver 199.232.140.4
nameserver 206.75.206.100
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after putting all this information in the respective files, i simply type
"pppd" and it connects gracefully.
(to save you some time figuring this out later, to kill pppd, do just that,
"kill <pidofpppd>". "kill -9 <pidofpppd>" does NOT work, so don't try it.
well, pppd works on my machine, so if you need anymore info, i;'ll be happy
to supply it to you :)
  - a