Need help with ppp

[david at kramer.ne.mediaone.net (David Kramer)]

I'm trying to get ppp dialout to MediaOne MobileAccess.  Does anyone
reognize the error message?
I set it up as per the notes at
http://www.ntlug.org/archive/tp/ppp/ppp_01.html.

Thanks.

Here are the end lines in /var/log/messages:
Aug  5 00:58:13 tuvok chat[22809]: expect (%)
Aug  5 00:58:13 tuvok chat[22809]:  ^M
Aug  5 00:58:33 tuvok chat[22809]: ascend%
Aug  5 00:58:33 tuvok chat[22809]:  -- got it 
Aug  5 00:58:33 tuvok chat[22809]: send (ppp^M)
Aug  5 00:58:33 tuvok pppd[22808]: Serial connection established.
Aug  5 00:58:33 tuvok pppd[22808]: Using interface ppp0
Aug  5 00:58:33 tuvok pppd[22808]: Connect: ppp0 <--> /dev/modem
Aug  5 00:59:04 tuvok pppd[22808]: LCP: timeout sending Config-Requests 
Aug  5 00:59:04 tuvok pppd[22808]: Connection terminated.
Aug  5 00:59:04 tuvok pppd[22808]: Receive serial link is not 8-bit
clean:
Aug  5 00:59:04 tuvok pppd[22808]: Problem: all had bit 7 set to 0
Aug  5 00:59:05 tuvok pppd[22808]: Exit.

Here is my /etc/ppp/options file:
/dev/modem 
115200
-detach
defaultroute
noipdefault
debug
crtscts
lock
modem
mru 552
mtu 552

Here is my dialing command (inside a script that sets up the vars):
TELEPHONE=663-1563      # The telephone number for the connection
ACCOUNT=m1/kramer       # The account name for logon (as in 'George
Burns')
PASSWORD=idontthinkso!  # The password for this account (and 'Gracie
Allen')
LOCAL_IP=0.0.0.0        # Local IP address if known. Dynamic = 0.0.0.0
REMOTE_IP=0.0.0.0       # Remote IP address if desired. Normally 0.0.0.0
NETMASK=255.255.255.0   # The proper netmask if needed
DIALER_SCRIPT=/etc/ppp/ppp-on-dialer
exec /usr/sbin/pppd debug lock modem crtscts /dev/modem 38400 \
        asyncmap 20A0000 escape FF kdebug 0 $LOCAL_IP:$REMOTE_IP \
        noipdefault netmask $NETMASK defaultroute connect $DIALER_SCRIPT
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