modem disconnected with exit code 16

[adaD]

after sudo wvdial:
ater connecting:
Disconnecting at Mon Jun 23 16:06:32 2014
PPP daemon has died: A modem hung up the phone (exit code = 16)

wvdial.conf:
[Dialer Defaults]
Modem = /dev/ttyACM0
ISDN = off
Modem Type = USB Modem
Baud = 57600
Init = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init3 = AT+CGDCONT=1,\"IP\",\"3g.utel.ua\"
Phone = *99#
Dial Attempts = 1
Ask Password = off
Password = (blank)
Username = (blank)
Auto Reconnect = off
Abort on Busy = off
Carrier Check = on
Check Def Route = on
Abort on No Dialtone = on
Stupid Mode = on

[adaD]

в var/log/message:
pppd 2.4.5 started by root, uid 0
Jun 27 14:21:07 oxana-GA-78LMT-S2P pppd[7476]: Using interface ppp0
Jun 27 14:21:07 oxana-GA-78LMT-S2P pppd[7476]: Connect: ppp0 <--> /dev/ttyACM0
Jun 27 14:21:07 oxana-GA-78LMT-S2P pppd[7476]: CHAP authentication succeeded
Jun 27 14:21:07 oxana-GA-78LMT-S2P pppd[7476]: CHAP authentication succeeded
Jun 27 14:21:09 oxana-GA-78LMT-S2P pppd[7476]: Could not determine remote IP address:$
Jun 27 14:21:09 oxana-GA-78LMT-S2P pppd[7476]: local  IP address 46.203.247.183
Jun 27 14:21:09 oxana-GA-78LMT-S2P pppd[7476]: remote IP address 10.64.64.64
Jun 27 14:21:09 oxana-GA-78LMT-S2P pppd[7476]: primary   DNS address 213.179.249.151
Jun 27 14:21:09 oxana-GA-78LMT-S2P pppd[7476]: secondary DNS address 213.179.249.152
Jun 27 14:21:13 oxana-GA-78LMT-S2P pppd[7476]: LCP terminated by peer
Jun 27 14:21:13 oxana-GA-78LMT-S2P pppd[7476]: Connect time 0.1 minutes.
Jun 27 14:21:13 oxana-GA-78LMT-S2P pppd[7476]: Sent 0 bytes, received 0 bytes.
Jun 27 14:21:13 oxana-GA-78LMT-S2P pppd[7476]: Modem hangup
Jun 27 14:21:13 oxana-GA-78LMT-S2P pppd[7476]: Connection terminated.
Jun 27 14:21:13 oxana-GA-78LMT-S2P pppd[7476]: Exit.


Пользователь решил продолжить мысль 27 Июня 2014, 16:08:30:Что делать-то, подскажите пожалуйста!