I provide disks for the low price of $4 which is $1 for the diskette (my cost) and a whole 3 dollars for the time it takes to copy it and stuff it in an envelope for you.

*NOTE: this software does not work correctly with the nanoPEB rs232 port. There is now a patch here to fix that: https://atariage.com/forums/topic/300035-telco-patch-for-nanopeb-v1-serial-and-ubergrom-cart/

TELCO Terminal Emulator

Version 2.3

Copyright (c) 1988 Charles Earl

TELCO has been designed to provide the TI user with easy and
convenient access to a variety of telecommunications tasks. This
program has been written in TMS 9900 assembly language for
optimum performance. Features include:
The ability to emulate various terminals.
A Dialer with 99 entries with automatic redialing of up to
15 selections.
A Conference mode, available in all terminal emulations.
Xmodem, Compuserve B/Quick B and ASCII transfer capability.
Macros, Device logging, Print spooling etc..

TELCO has been designed to operate on both the TI-99/4a and the
Geneve 9640. The minimum system required to use TELCO is:

• TI-99/4a console or Geneve 9640
• 32K Memory Expansion (TI-99/4a only)
• RS232 Card
• 1 SSSD Disk Drive
• Modem (Hayes compatible preferred)
• E/A, TI Writer, Minimem, or Extended Basic cartridge

Additional Hardware (optional)

• Horizon Ramdisk
• Myarc Hard Floppy Disk Controller Card
• Modified RS232 Cable
  Printer
• Additional Disk Drive(s)
• Supercart or Super Space
• Super Space II
• 80-column card