That is no problem. I guess it's configuring of the wan2 interface.
config interface wan2
option ifname ' '
option proto ' '
option service ' '
option device ' '
option apn ' '
option username ' '
option password ' '
option defaultroute ' '
option ppp_redial ' '
option peerdns ' '
option dns ' '
option keepalive ' '
option pppd_options ' '
I found this other config for my operator
# wvdial for NetCom Connect. Created by dezibel, based on
# wvdial for Vodacom Data. Created by Tazz_tux
#
# http://dezibel.durum.biz/blog/2007/06/23/316/
# Version 1.0
# Change Log:
#
# Added dummy usernam