[root@routerv4 log]# killall pppd
[root@routerv4 log]# pppd call office
[root@routerv4 log]# tail -F /var/log/ppp.log 
Aug  8 20:59:08 routerv4 chat[7253]:  -- got it 
Aug  8 20:59:08 routerv4 chat[7253]: send (ATS0=0Q0&D3&C1M3L0^M)
Aug  8 20:59:08 routerv4 chat[7253]: expect (OK)
Aug  8 20:59:08 routerv4 chat[7253]: ^M
Aug  8 20:59:08 routerv4 chat[7253]: ATS0=0Q0&D3&C1M3L0^M^M
Aug  8 20:59:08 routerv4 chat[7253]: OK
Aug  8 20:59:08 routerv4 chat[7253]:  -- got it 
Aug  8 20:59:08 routerv4 chat[7253]: send (atdt9w3354452^M)
Aug  8 20:59:08 routerv4 chat[7253]: expect (~)
Aug  8 20:59:08 routerv4 chat[7253]: ^M
Aug  8 20:59:36 routerv4 chat[7253]: atdt9w3354452^M^M
Aug  8 20:59:36 routerv4 chat[7253]: CARRIER 31200^M
Aug  8 20:59:37 routerv4 chat[7253]: ^M
Aug  8 20:59:37 routerv4 chat[7253]: PROTOCOL: LAP-M^M
Aug  8 20:59:37 routerv4 chat[7253]: ^M
Aug  8 20:59:37 routerv4 chat[7253]: COMPRESSION: V.42BIS^M
Aug  8 20:59:37 routerv4 chat[7253]: ^M
Aug  8 20:59:37 routerv4 chat[7253]: CONNECT 31200^M
Aug  8 20:59:38 routerv4 chat[7253]: ^MWelcome to 2.4.26-std-up-alt6 / l
Aug  8 20:59:38 routerv4 chat[7253]: ^M**EMSI_REQA77E^M^Q              ^M^M
Aug  8 21:00:38 routerv4 chat[7253]: eva.dn.ua login: ^M
Aug  8 21:00:38 routerv4 chat[7253]: ^G^M
Aug  8 21:00:38 routerv4 chat[7253]: Hey! Please login now. You have one minute left^M
Aug  8 21:00:38 routerv4 chat[7253]: **EMSI_REQA77E^M^Q              ^M^M
Aug  8 21:01:37 routerv4 chat[7253]: eva.dn.ua login: ^M
Aug  8 21:01:38 routerv4 chat[7253]: ^G^M
Aug  8 21:01:38 routerv4 chat[7253]: Your login time (2 minutes) ran out. Goodbye.^M
Aug  8 21:01:38 routerv4 chat[7253]: alarm
Aug  8 21:01:38 routerv4 chat[7253]: Failed
Aug  8 21:01:38 routerv4 pppd[7252]: Connect script failed
Aug  8 21:01:39 routerv4 pppd[7252]: Exit.