Here is the pppd peers configuration that works:
connect "/usr/sbin/chat -v -t3 -f /etc/chatscripts/o2" /dev/ttyUSB3 115200 noipdefault usepeerdns defaultroute persist noauth debug
And this is the corresponding chatscript giving modem initialization:
'' AT TIMEOUT 15 OK AT+CGDCONT=1,"IP","mobile.o2.co.uk","" CONNECT ''
As you can see there are no username / password authentication requirements, just the correct initialization and serial line.
Here is the pppd peers configuration that works:
connect "/usr/sbin/chat -v -t3 -f /etc/chatscript s/o2"
/dev/ttyUSB3
115200
noipdefault
usepeerdns
defaultroute
persist
noauth
debug
And this is the corresponding chatscript giving modem initialization:
'' AT 1,"IP", "mobile. o2.co.uk" ,""
TIMEOUT 15
OK AT+CGDCONT=
CONNECT ''
As you can see there are no username / password authentication requirements, just the correct initialization and serial line.