Linux newbie having ppp trouble

[Steven Collins]

Mitch Nickels Sent:
>Have you tried to use rp3 to setup your dialup. That is the standard
>dialer that comes with the RH distro.

I've read the documentation.
I've followed the instructions.
I STILL can't connect correctly.
I'm still getting the "Failed to activate interface." error message when
trying to connect with RH's ppp dialer. Here's a snipet from the log file of
my "debug" session.
Anyone got any more idea's?

WvDial: Internet dialer version 1.41
Initializing modem.
Sending: ATZ
ATZ OK
Sending: ATQ0 V1 E1 S0=0 &C1 &D2 S11=55 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 S11=55 +FCLASS=0 OK
Sending: ATM1L3
ATM1L3 OK
Modem initialized.
Sending: ATDT 1,5179930000
Waiting for carrier.
ATDT 1,5179930000 CONNECT 115200
Carrier detected.  Waiting for prompt.

 STATION ID - drtmi17rh06hr019,detmi05ev

Welcome  Please Sign-on: Looks like a login prompt.
Sending: 983104533@worldnet.att.net
983104533@worldnet.att.net
~}#@!}! } }9}"}&} } } } }'}"}(}"}#}%B#}%}%}&+C\}: ~PPP negotiation
detected.
Starting pppd at Wed Dec  6 17:35:54 2000
PPP daemon has died! (exit code = 16)
Disconnecting at Wed Dec  6 17:36:00 2000
Auto Reconnect will be attempted in 5 seconds
pppd error!  Look for an explanation in /var/log/messages.
Initializing modem.
Sending: ATZ

NO CARRIER
DIALING CANCELED BY USER
Modem not responding.
Disconnecting at Wed Dec  6 17:36:03 2000
DIALING FINISHED