********************************************************************** * * * TELENET SCANNING * * * * written by Doc Telecom on July 11, 1988 * * * ********************************************************************** Telenet is the largest Packet Switching network, that I know of at this present time, I could waste valuable buffer space explaining what packet switching is and what its uses are ect...so for more information read "Packet Switching (tomorrow's communications today) by Roy D. Rosner. It is quite indepth and one of the books I cherish in my "legal" Telecomm library. DEFINITION of GTE TELENET : The packet switching subsidiary of General Telephone and Electronics. It provides nationwide common user data communications via packet switching Information on GTE TELENET : ---------------------------- The GTE Telenet commercial packet switched network was developed as a commercial venture of many of the same principals who developed ARPANET. GTE Telenet first became in 1979. OPERATION : ------------ Telenets network operation and internal protocals evolved from the ARPANET experience , with additional cababilitys built into each of the switching nods. The network is mostly a ciruit bases packet switching protocol, that does meet the requirments of the CCITT X.25 protocol at the user interface. In addition, Telenet also provides customized user interfaces to meet the need of the individual users. It also provides emulation interfaces. USER ACCESS : ------------- User access to the network is through one of the three clases of telenet central offices, such as the one in San Fran, support user access speeds up to 56k bps is a Class I. Class II offices, such as the one in Spokane,Wa provide connection speeds up to 9600 bps. Class III offices support rates up to 1200 bps, such as the one in tucson,arizona. User access can be made to Public Dialin ports, private dial in ports, or fixed ports dedicated full time for a single user. Users can implement X.25 compatable software in there host computer or they can just use the T-net provided interface processors to provide network service. Terminal Clusters can be accessed to the network very effciently by use of Telenet access controllers placed at the customers residece or business, ect.. Telenet Dialups --------------- To find the local Telenet dialup for your area just call WATS to 800-TEL-ENET and ask them for it but remember to watch out "Every thing you do on telenet is saved on Mega tape for up to 5 years, and they have installed number identification since December 1987, WATS TELENET DIALUPS.... (800) 424-9494 300/1200 BPS (800) 238-0631 2400 & MPE These wats will change in aug. 88 so if you would like the new ones leave my E-Mail on Lunitics Labs (415) 278-7421 What to do one you have your POTS dialup: ----------------------------------------- Remember to do any scanning on telenet you need a POTS dialup not a WATS, the WATS dialup is mainly used for Telemail or GTE MAIL., or SPRINT HP's Call your local dial up and you should see something that says TELENET 617 18m, or whatevr...just hita few times. and you should see something that looks like this. @ at the "@" prompt type in NPA XXX..for now just use your area code... like this....( this is a Network User Address or NUA) @ 415 333 it will then either connect you, or say "Collect Connection Refused", because you have not used an NUI, more on NUI's later... you will see one of the following : 1) call connected .... 2) Remote Procedure Error 11 b6 3) Remote Procedure Error 11 e2 4) Not Reachable 05 e6 5) not reachable 05 db 6) Not operating .... 7) illegal address 03 80 8) Busy 01 00 ..... 9) enhanced network services unavalible at this time please try again 05 d8 10) illegal address 03 ba 11) rejecting 00 7e 12) illegal address 03 42 13) remote procedure error 11 31 14) Refused collect connection 19 00 .....
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Sunday, September 2, 2012
TELENET SCANNING
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