solaris 10 connection problem

Serial connection established.

Using interface sppp0

Connect: sppp0 <--> /dev/ttyb

We rejected the peer's demand for 0xc023 (Password Authentication Protocol)

Connection terminated.

Here is the copy of chat file.

ABORT BUSY

ABORT 'NO CARRIER'

REPORT CONNECT

TIMEOUT 10

"" "AT&F1"

OK "AT&C1&D2"

SAY "Calling myisp\n"

TIMEOUT 60

OK "ATDT172231"

CONNECT \c

this is my pap secret

myuser myisp mypaaword

how i can i connect to my isp ? or it is a bug in pppd

[936 byte] By [newbieangel] at [2007-11-25 22:43:19]