不能上网?

lile

以前可以上网，用wvdial可以上网的，现在不知怎么回事，不能上网了，拨号时显示：
[root@/home/lile]# wvdial
--> WvDial: Internet dialer version 1.53
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
OK
--> Modem initialized.
--> Sending: ATDT96988
--> Waiting for carrier.
ATDT96988
CONNECT 9600
--> Carrier detected. Waiting for prompt.
*********************************
* Quidway A8010 Internet Server *
* welcome!! *
*********************************
please input uname:
--> Looks like a login prompt.
--> Sending: 682404121
--> Don't know what to do! Starting pppd and hoping for the best.
--> Starting pppd at Sat Mar 6 14:24:24 2004
--> pid of pppd: 2428
--> Disconnecting at Sat Mar 6 14:24:28 2004
--> The PPP daemon has died: PPP negotiation failed (exit code = 10)
--> man pppd explains pppd error codes in more detail.
--> I guess that's it for now, exiting
--> The PPP daemon has died. (exit code = 10)
[root@/home/lile]#