AT
OK
AT+CGDCONT=1,"IP","web.omnitel.it"
OK
ATDT*99#
CONNECT
Serial connection established.
using channel 1
Using interface ppp0
Connect: ppp0 <--> /dev/usb/ttyACM0
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9dc63d95> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x9dc63d95> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <auth pap> <magic 0x11a80e6> <pcomp> <accomp>]
sent [LCP ConfAck id=0x1 <asyncmap 0x0> <auth pap> <magic 0x11a80e6> <pcomp> <accomp>]
sent [LCP EchoReq id=0x0 magic=0x9dc63d95]
sent [PAP AuthReq id=0x1 user="anything" password=<hidden>]
rcvd [LCP EchoRep id=0x0 magic=0x11a80f0]
rcvd [PAP AuthAck id=0x1]
PAP authentication succeeded
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
rcvd [IPCP ConfNak id=0x1 <addr 83.225.139.145>]
sent [IPCP ConfReq id=0x2 <addr 83.225.139.145>]
rcvd [IPCP ConfAck id=0x2 <addr 83.225.139.145>]
rcvd [IPCP ConfReq id=0x2 <addr 192.168.100.101>]
sent [IPCP ConfAck id=0x2 <addr 192.168.100.101>]
Cannot determine ethernet address for proxy ARP
local  IP address 83.225.139.145
remote IP address 192.168.100.101
Script /etc/ppp/ip-up started (pid 1873)
Script /etc/ppp/ip-up finished (pid 1873), status = 0x0
Terminating on signal 15
Connect time 0.3 minutes.
Sent 0 bytes, received 0 bytes.
Script /etc/ppp/ip-down started (pid 1904)
sent [LCP TermReq id=0x2 "User request"]
rcvd [LCP TermAck id=0x2 "User request"]
Connection terminated.
disconnect script failed
Waiting for 1 child processes...
  script /etc/ppp/ip-down, pid 1904
Script /etc/ppp/ip-down finished (pid 1904), status = 0x0