Qmodem 4.5 Compiled 01/16/92
Copyright (C) 1992 Mustang Software, Inc.

You are now in TERMINAL mode
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Here is the evidence of some of the 687-0xxx carrier scans, what I came up 
with. FOR ALL OF THESE I used TVI925 Emulation that comes with Qmodem 4.5

ATDT 687-0309

CARRIER 9600                <-nice

PROTOCOL: LAP-M             <-classy

COMPRESSION: V.42BIS        <-expensive

CONNECT 57600               <-my end's speed

STATION ID - edas/57.12     <-hmmm, looks interesting!

WARNING: This system is restricted to authorized users for authorized
business purposes.  Unauthorized access is a violation of law.
Proprietary information may not be disclosed without authorization.






                           +-----------------------+
                           |  Ameritech (Indiana)  |
                           |                       |
                           | Network Access Server |
                           +-----------------------+







Login: root
Password: ....

You see, this looks like a UNIX, but the password echoes and it is in caps!

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687-0371

9600, v 42

IBM AIX Version 3 for RISC System/6000
(C) Copyrights by IBM and by others 1982, 1991.
login:

This is the IBM that I found. I think it is running unix.

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Here is another attempt at that telco server....

STATION ID - ipls3/50.1

WARNING: This system is restricted to authorized users for authorized
business purposes.  Unauthorized access is a violation of law.
Proprietary information may not be disclosed without authorization.






                           +-----------------------+
                           |  Ameritech (Indiana)  |
                           |                       |
                           | Network Access Server |
                           +-----------------------+







Login:


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This is an interesting one.....
ATDT 687-0449

CARRIER 9600

PROTOCOL: LAP-M

COMPRESSION: V.42BIS

CONNECT 57600
TACL 1> ?               <-after CONNECT it dumped me to the prompt, the
?                                      <-'?' is mine.... this line is echoed
^                                      <-my error is then pointed out
*ERROR* No such line                   <-and I am told of it.
TACL 1> help                           <-Notice the prompt, no execution, no
help                                                                <-change
^                                      <-I think it is always echoed like this
Expecting one of:
LOGON PAUSE or TIME                    <-here is the help
Or end
TACL 2> dir                            <-checking for undocced commands
dir
^
Expecting one of:                      <-see, here it seems to know 'dir'
LOGON PAUSE or TIME                    <-and it counts it as an exec'd command
Or end

TACL 3> logon                          <-for once I do what it says...
***********************************************************************
*   WARNING :  This system is restricted to authorized users for      *
*   authorized business purposes.  Unauthorized access is a violation *
*   of law.  Proprietary information may not be disclosed without     *
*   authorization.                                                    *
***********************************************************************
                      <-that warning is the same one on the Ameritech server.
Password:             <-same PW prompt, but no echo!

logon                 <-here is the echo.....
     ^
*ERROR* Invalid username or password              <-and it points it out
TACL 4> 10                <-I wanted to see if this would change the prompt
10
^
Expecting one of:
LOGON PAUSE or TIME
Or end
TACL 5> ?                               <-nope......

PS, I didn't save it, but when I typed TIME it gave me that current date and
time


ATDT 687-0445
CARRIER 300                <-could this be the TRW?

PROTOCOL: NONE

CONNECT 57600
d4?_8\@C|?|               <-What is this???
NO CARRIER                  <-It disconnected me in less than 30 seconds.