AT
OK
ATH
OK
ATE1
OK
AT+CGDCONT=1,"IP","www.plusgsm.pl","",0,0
OK
waiting to connect ... 

ATD*99**1*1#
CONNECT
Connected!

Serial connection established.
using channel 29
Using interface ppp0
Connect: ppp0 <--> /dev/ttyACM0
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x775fe2e7>]
rcvd [LCP ConfReq id=0x1 <asyncmap 0xa0000> <auth pap>]
sent [LCP ConfAck id=0x1 <asyncmap 0xa0000> <auth pap>]
rcvd [LCP ConfNak id=0x1 <asyncmap 0xa0000>]
sent [LCP ConfReq id=0x2 <asyncmap 0xa0000> <magic 0x775fe2e7>]
sent [LCP ConfReq id=0x2 <asyncmap 0xa0000> <magic 0x775fe2e7>]
sent [LCP ConfReq id=0x2 <asyncmap 0xa0000> <magic 0x775fe2e7>]
sent [LCP ConfReq id=0x2 <asyncmap 0xa0000> <magic 0x775fe2e7>]
sent [LCP ConfReq id=0x2 <asyncmap 0xa0000> <magic 0x775fe2e7>]
sent [LCP ConfReq id=0x2 <asyncmap 0xa0000> <magic 0x775fe2e7>]
sent [LCP ConfReq id=0x2 <asyncmap 0xa0000> <magic 0x775fe2e7>]
sent [LCP ConfReq id=0x2 <asyncmap 0xa0000> <magic 0x775fe2e7>]
sent [LCP ConfReq id=0x2 <asyncmap 0xa0000> <magic 0x775fe2e7>]
sent [LCP ConfReq id=0x2 <asyncmap 0xa0000> <magic 0x775fe2e7>]
LCP: timeout sending Config-Requests
Connection terminated.
Modem hangup