/etc/chatscripts/barry-att_cingular.chat is in barry-util 0.18.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | # Chatscript for ATT / Cingular
# by Richard Esplin
# Licensed under the same terms as libbarry.
#
# Please send all working peer files to cdfrey@foursquare.net, so we can
# build a library of peer files for different carriers.
# Google says this info is important for ATT/Cingular:
# Modem Initialization String: AT +CGDCONT=1,"IP","wap.cingular"
# Dial-up Phone Number: *99#
# Dial-up username/password: blank/blank
SAY 'Setting abort string\n'
ABORT ERROR
SAY 'Initializing modem\n'
OK AT
OK ATZ
SAY 'Carrier Information\n'
OK AT+CGDCONT=1,"IP","wap.cingular"
OK ATI
OK ATDT*99#
SAY 'Connecting\n'
CONNECT
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