A typical ppp initiation mediated by a chatscript is below:

Jun 13 06:43:07 koala chat[6544]: abort on (BUSY)
Jun 13 06:43:07 koala chat[6544]: abort on (NO CARRIER)
Jun 13 06:43:07 koala chat[6544]: abort on (VOICE)
Jun 13 06:43:07 koala chat[6544]: abort on (NO DIALTONE)
Jun 13 06:43:07 koala chat[6544]: abort on (NO DIAL TONE)
Jun 13 06:43:07 koala chat[6544]: abort on (NO ANSWER)
Jun 13 06:43:07 koala chat[6544]: send (ATZ^M)
Jun 13 06:43:07 koala chat[6544]: expect (OK)
Jun 13 06:43:07 koala chat[6544]: ATZ^M^M
Jun 13 06:43:07 koala chat[6544]: OK
Jun 13 06:43:07 koala chat[6544]:  -- got it 
Jun 13 06:43:07 koala chat[6544]: send
(ATQ0V1E1L1M1S0=0&C1&D2S11=55+FCLASS=0^M)Jun 13 06:43:08 koala chat[6544]:
expect (OK)
Jun 13 06:43:08 koala chat[6544]: ^M
Jun 13 06:43:08 koala chat[6544]: ATQ0V1E1L1M1S0=0&C1&D2S11=55+FCLASS=0^M^M
Jun 13 06:43:08 koala chat[6544]: OK
Jun 13 06:43:08 koala chat[6544]:  -- got it 
Jun 13 06:43:08 koala chat[6544]: send (ATDT3019178111^M)
Jun 13 06:43:08 koala chat[6544]: expect (CONNECT)
Jun 13 06:43:08 koala chat[6544]: ^M
Jun 13 06:43:40 koala chat[6544]: ATDT3019178111^M^M
Jun 13 06:43:40 koala chat[6544]: CONNECT
Jun 13 06:43:40 koala chat[6544]:  -- got it 
Jun 13 06:43:40 koala chat[6544]: send (\d)
Jun 13 06:43:41 koala pppd[6543]: Serial connection established.
Jun 13 06:43:41 koala pppd[6543]: Using interface ppp0
Jun 13 06:43:41 koala pppd[6543]: Connect: ppp0 <--> /dev/ttyLT0
Jun 13 06:43:43 koala pppd[6543]: local  IP address 66.44.1.146
Jun 13 06:43:43 koala pppd[6543]: remote IP address 208.59.89.132
