Jan  1 00:01:36 (none) daemon.notice pppd[88]: pppd 2.4.4 started by root, uid 0
Jan  1 00:01:37 (none) local2.info chat[91]: abort on (NO DIALTONE)
Jan  1 00:01:37 (none) local2.info chat[91]: abort on (ERROR)
Jan  1 00:01:37 (none) local2.info chat[91]: abort on (NO ANSWER)
Jan  1 00:01:37 (none) local2.info chat[91]: abort on (BUSY)
Jan  1 00:01:37 (none) local2.info chat[91]: expect (AT+CGDCONT=1,"ip","web.sktelecom.com",,,)
Jan  1 00:02:22 (none) local2.info chat[91]: alarm
Jan  1 00:02:22 (none) local2.info chat[91]: Failed
Jan  1 00:02:22 (none) daemon.debug pppd[88]: device script returned: 768
Jan  1 00:02:22 (none) daemon.info pppd[88]: Serial connection established.
Jan  1 00:02:22 (none) daemon.debug pppd[88]: using channel 1
Jan  1 00:02:22 (none) daemon.info pppd[88]: Using interface ppp0
Jan  1 00:02:22 (none) daemon.notice pppd[88]: Connect: ppp0 <--> /dev/modem
Jan  1 00:02:23 (none) daemon.warn pppd[88]: Warning - secret file /etc/ppp/pap-secrets has world and/or group access
Jan  1 00:02:23 (none) daemon.debug pppd[88]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x109561d8> <pcomp> <accomp>]
Jan  1 00:02:26 (none) daemon.debug pppd[88]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x109561d8> <pcomp> <accomp>]
Jan  1 00:02:29 (none) daemon.debug pppd[88]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x109561d8> <pcomp> <accomp>]
Jan  1 00:02:32 (none) daemon.debug pppd[88]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x109561d8> <pcomp> <accomp>]
Jan  1 00:02:35 (none) daemon.debug pppd[88]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x109561d8> <pcomp> <accomp>]
Jan  1 00:02:38 (none) daemon.debug pppd[88]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x109561d8> <pcomp> <accomp>]
Jan  1 00:02:41 (none) daemon.debug pppd[88]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x109561d8> <pcomp> <accomp>]
Jan  1 00:02:44 (none) daemon.debug pppd[88]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x109561d8> <pcomp> <accomp>]
Jan  1 00:02:47 (none) daemon.debug pppd[88]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x109561d8> <pcomp> <accomp>]
Jan  1 00:02:50 (none) daemon.debug pppd[88]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x109561d8> <pcomp> <accomp>]
Jan  1 00:02:53 (none) daemon.warn pppd[88]: LCP: timeout sending Config-Requests
Jan  1 00:02:53 (none) daemon.notice pppd[88]: Connection terminated.
Jan  1 00:02:54 (none) daemon.notice pppd[88]: Modem hangup
Jan  1 00:03:25 (none) local2.info chat[125]: abort on (NO DIALTONE)
Jan  1 00:03:25 (none) local2.info chat[125]: abort on (ERROR)
Jan  1 00:03:25 (none) local2.info chat[125]: abort on (NO ANSWER)
Jan  1 00:03:25 (none) local2.info chat[125]: abort on (BUSY)
Jan  1 00:03:25 (none) local2.info chat[125]: expect (AT+CGDCONT=1,"ip","web.sktelecom.com",,,)