The Hacker's Encyclopedia 1998

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********************************************************* * * * * * Screen Codes * * * * Another Modernz Presentation * * * * by * * Digital-demon * * * * (C)opyright December 2, 1991 * * * ********************************************************* ********************************************************* The Modernz can be contacted at: MATRIX BBS - Sysops: Wintermute & Digital-demon (908) 905-6691 The Church of Rodney - Sysop: Tal Meta (908) 830-7786 ********************************************************* Also can be reached at : Hellfire BBS - SANctuary World HQ Sysop: Red (908)495-3926 ********************************************************* The normal no responsibility message has been in all the previous files, so if you haven't noticed it before, go back and read it...it correspinds to this and all future files from me. *********************************************************** Generally state, screen codes are what both the telephone switching office and the phone itself send and and verify one another on each phone line. That is that should you attempt to use a pay phone on a regular phone line (your's, though preferably someone else's) it will still ask for money. Also should you attempt to use your phone on a pay phone line it will register as a pay phone (or at least some similar screen code...usually appearing on the line as possible screened line and in that case it tells the operator not to bill to the line.) However these codes can be modified on the phone so as to appear as something else. The belief is that the phone company has a flag on the line to see if it recieves some screen code. But the screen codes as following including hotels and businesses, some of which can direct dial with no problem (well on a hotel an operator will come on the line asking which room to bill to... pick any number.) There are also hospitals which will allow you to bill to a third party without voice verification (a rule that in parts of New York and all of New Jersey, the AT&T operator must voice verify all third party calls except from hospitals, other Long Distance services have done this for a long time.) Note that the description of the code is related to the LD service it belongs to (This list is from AT&T), however the codes will still be there, just corresponding to something else. Note that some screen codes when transfered from one service to another will vanish and appear as a non-coin/private phone. This is the reason for the transferring operator phrase of : "This is the [fill in the blank] operator with a trasnfer call. Note that the call call can not be billed to the originating station...." However do to the violent competition between the companies the younger operators can be convinced to "forget" to announce themselves as a transfer. And now with that background, away we go......... *********************************************************** Screen code/desciption/restriction ---------------------------------- 002- One Line WATS service 003- Unassigned for use in AHIT 004- Prison/ some international calls denied restrict: all but collect 005- Prison-miltary restrict: all but collect 006- Client restricted collect only 007- True coin telephone-multi carrier telephone 008- Military Market (true coin) 009- Quote service account clerk ask for code 010- Marriot Fairfield Inn 017- AT&T quote serice customer LEC screening service 019- AT&T private pay phone restrict: paid 020- AT&T private pay phone restrict: paid 021- AT&T private pay phone restrict: paid 022- AT&T private pay phone restrict: paid 023- COCOT restrict: paid 024- Military-AT&T private pay phone 025- Tariffed COCOT 026- Prison-navy-give 10ATT+ Restrict: all but collect 027- Navy true coin 031- Hospital restrict:paid 032- AT&T college & university system restrcit:paid 033- operator express restrict: paid 034- hotel 035- AT&T quote sevice hotel 036- hotel restrict: paid 037- ANI 7 038- DPR office 039- Hospitality provisions: from business ADM, state municipal line 040- Navy AT&T private payphone restrict: paid 041- Navy AT&T private payphone restrcit: paid 042- Client restrictor restrict:paid 045- AT&T public phone (partner) restrcit: paid 050- Military - AT&T caller restrcit: paid 054- AOS line 055- AOS line restrict: paid 056- Midway restrict: paid 057- IMTS B roamtype restrcit: paid 058- Military- hawaii 059- Manual Mobile 066- Pre-selection (Leave word on person collect calls) Local and toll DA charge apply 070- IMTS A home/roam restrict:paid 072- Client restricted service restrict: paid, collect, back 3rd, forward bill 074- Coinless public (inmat c) 075- VHF marine restrcit: paid 076- Dormitory acceptable: collect, autocollect 079- Mobile acceptable: card, collect, 3rd 084- USA direct accept: card, collect 086- Possible non-AT&T subscriber restrict: paid 087- Possible non-AT&T subscriber restrict: paid 088- Vender phone restrcit: paid 089- BOC charge a card restrict: paid 090- Kids call 093- Intralata DA charges not apply 094- hotel/motels 095- handicapped procedure: DDD 096- Business ADM lines/state municipal building 097- Dormitory accept: card, collect 098- Coinless public phone 099- AT&T card caller/customer caller restrict: paid 100- Days Inn 101- Holiday Inn 102- Embassy suites 103- La Quinta 104- Super 8 motel 105- Howard Johson 106- Mariott 107- Mariott Courtyard 108- Marriot Residence Inn 110- Hilton 111- Econo Lodge 112- Travelodge 113- Unknown branding 114- Westin 115- Ramada Inn 116- Best Western 117- Rodeway 118- Loews 119- Hyatt 120- Quality Inn 121- Comfort Inn 122- Clarion Inn 123- Unknown Brand 124- N/A brand 125- N/A brand 126- N/A brand 183- Coin Operated Telephone Downloaded From P-80 International Information Systems 304-744-2253