DECEMBER, 1986 VOLUME THREE, NUMBER TWKJ.Vfi A LOOK AT THE FUTURE PHREAKING WORLD Cellular telephones — I low They Work by Eruee Alston This is a non -technics 5 explanation -of (he newest in mobile telephone communications, die cellular telephone, For some background let's review the mobile telephone as we knew it prior lo hut 1983 when cellular systems began operating id Chicago and Washington/ Baltimore. Improved Mobile t elephone Service ( 1 M I'S) si lows cal Is to he made from a car to a land telephone Or vice-verm, Car -to -car service is also a va i lahlc- Based tut radio era OS ['a issin n charaetcrisi its, a ny eiiy Or town Kin have a maximum of 12 radio channels in the 150 Mhz hand for mobik telephone service. The transmitter power for die base sia lion (telephone com party) can. go as high as 2KX) watts Effective Radiated Power (ERE). T his may cover an area of '."Lit lo 15 miles. depending up rut terrain. The mobile radio is Limited to 1 5. 25. possibly 50 watts £RP, keeping in mind the power consumption from the an tom obi le battery. I o receive the sig.iifi I fro 1 V 1 1 he mobile rad io Hie telcpho nc compa ay encircles lhe transmitter wilh receivers, so wlwrever the mobile unit might he, it tain be heard, as it also must hear Ihe base Station transmitter. With IM'I'S in New York City, Los Angeles, or Madison, Wisconsin, Or any eiiy, Only 1 2 mobile telephone conversations can work at one time, assuming Lhe FCC aJJotii Led 1 hey; cil ies a 13 1 2 elui nuflls, Ehc FCC has allocated btiti channels in the 800 M bz band for cellular tclephnne seivice. The maximum pnwer for the base sttilioh is 100 watts FRP. for sl>c mobile radio V watts FREC (ThaL is not a misprint 7 waits') Based on transmission characteristics, a cellular radio system can have up Lo 333 channels in a given geographic area . Each a rca can have two cellular systems, each with its own 333 channels in 11 given geographic area . Each a rea can have two cellular systems, each with its own 333 channels for the lotuJ ($6. Pivlure due 3 MTS system with its receivers encircling one powerful transmitter. Change the receivers to combined transmitter; receiver/ control equipment located throughout the geographic urea. These are called cell sires. Where Lhe une puwerful transmitter base station was located, cellular has an M l SO — Mobile T elephone Switching Office, llrat clrariiKls telephone calls from the land lines to the cell site nearest the mobile radio. The MTSO can also switch mobilc-to-mobilc calls, As the mobile unit travels from one cell site toward another, where a more powerful signal etui be transmitted between mobile radio and cell site, the MTSG switches the connection to die besl cell site, 1 1 now looks us if a maximum of 333 calls could go on in any one oelLuJu: system at any given time. This is not so. Based on topography and radio interference patterns, else same radio channel might be used in two or more cell sites in the slime system. These cell sites arc probably 1 lj to 1 5 miles apart, unlessa mountain or hi II is in ihe way. Iri tire United Suites, various manufactuntiis arc claiming that a properly engineered eciluiar system can handle up to 75 ,000 eihs ala given time. (The telephone term. is 75,000 E3HCA — Busy Hour Call Attempts). Mo system has been installed that approaches this ligurc. Notice, though, that tins beats the 1 2 BH C A of 1 MTS with a lrcavy stick if cellular is only Capable of baLf Lis proposed capacity. Let's suppose your cellular telephone (it can be in a car, on a boat, t>rca tried with you) has llte number (5 1 fo 555-2fi(XI, I’m in 3-tro Red I radge, Montana and want to call you, Using my friend * telephone, of course, 3 dial 51655521)^)0 and waiL while the call goes through the regular telephone system. It will end upal lhe {5 1 6} 555 FVi J’SD where it is serU to &U the (5 16) 5 55 cell sites and transmit ted. If your mobile telephone is turned on it will recognise the call, inform the M'J SO that it is in service, and the Ml SO will assign Us most powerful cell she a voice channel for the conversation, The MTSO will also trauMuil information to your rad io advising ot the channel number on which you wi 1 1 he talking to tne, Your radio will ring, HI Eicni Hoging. when you answer we talk . Y ou push no buttons, turn no knobs. When the calil is over, wc both hang up- Shou Id yon wish 1 0 call me , pick op your handseL, dial my number, push the SEND button, and wait until you get a busy, E answer, or you have a "nng-sion 't- answer" condition. Yes, you ca n use your pi odem , , bu i cc Du Isu telephony is in its infancy! fcsullsmuy not always bouli Ltuil you hoped for. Right now voire communication is the principal commitment of cellular systems, in review, cellular telephones have opened a whole new area nf usage ava ila hili 1 y. H avir'ig u 0 old s r mobile telephone means LtuiLyOu migh! received cull if one of twelve circuits- were open, and you might be able to make a call underthe same conditions. With cellular systems, when you arc in Hie coverage area and your telephone is turned On. you will receive calls and you tan make oil Lis and expect to have the ability to talk until you are finished, The city of Sacramento, California lias 7 cell sites. Anywhere you drive in then Area you have cellular service, if you drive toward Son Francisco, as scon as you get within ra age I)f ce 13 dies. service is uga i n a va iJable. The mobile nuiio has a "no service” Light that is on when you are not in ccLIular ra ngc . I f you have a "1 ranspoital>le'’ ecl InLa r rad io, pack i I wi 1 1 1 you into lhe demist office. Or blink, or whatever, and use yOur telephone, boLh lo send and receive calls. Cellular telephones tan be equipped with every type of regular telephone feature: .sjiced dialing, last number red is I, call forwarding, three- wny Calling, oil waiting, and eventually cellular setviec will be available in every c omnium ty a ltd along l he highway between towns. Prior to deregulation and divestiture, IMT3> seivice w l os provided only by [he local telephone company, culled “ wireline" companies. Now. each city or town with cellular service eon have (wo companies, thc‘'wirc3tuc F ’{!ncal telephone company) and ’'nnn-wirclLoe”, a Radio Common Carrier (EtCQ, F-flch company has a tola I of 333 radio channels in the 800 Mbit ra ng.e devoted to cellular telephones. Actually, 512 chan ncls i a each group are for the voice' Communications and 21 are used for control data transmission (the informal ion. that tell s the lfiobi Ic radii) which voice cha nnd to use, for exampief . Ccilukir service is already so popular that the FC£7 is allocating additional channels for 11k service. Since cellular radiu in tlk; rest of the world uses up to 1000 cbaitneli, most ceLlulnr tclcpboo.B a 1 c designed Lu cover 1 here channels. 1 ''or detailed iuformalion on oellu lar radio, consult "HI A 1 iKcrim Slo oda 1 d^, M ohile Station 00 \ -1 nd Sla I ion, CIS -3 -A ", available from the Eiee:;rx'nic Industries Association. Ho w Cellular Phones Came About and What You Can Expect Cellular communications derives its. name from tae radiotelephone signal being t eVi nsm i i; 1 c< I by ;'i series of low- powensd [fi iorOwa ve antennas or cells. H istory Find proposed by EkilJ Laboratories’ creative thinkers an the Jute ] 9+bs, the udva need computer tech oology tn acrufi llv ism ke cellular work developed in lhe E%0s, The FCC, after li 13-year discussion, formulated its “tanal” rules on implementing the technology in IDflE, (Other oountnes, such ax Japan, Saudi Arabia, and Scaitd ijiflvia actod more quickly and began operating cellular systems in J979- I vk I ,) Chicago was chosen ns the city tor an cx pc amenta I system in I ( J79 , and a second expci'iiilCiU was built in Washington,' Balt imore,' going on air in late l'9BI. Both experiments proved that the ccllulflr systcnii rid. i t>n-e*d perfectly and thul cellular com muni cat ions is a valuable service. The E-CO tlicn issued a a ordei licensing cellular systems fur the country's 305 largest population centers; 10 date, lhe IfH) la ip,cs.t ma rkcls eitlier on line or soon will be. leach market is served by Lwu cellular companies: a “wireline company’ 1 , a sutwidiary of tlic local existing phOiuS company after the historic breu kidp, and, a “non-wireline company One that is not associated with the phone company'. Two providers 0-1 service, a CCOi d i ng t o the FCC, wo n Id p re vent a monopo I i s t ic marketplace and foster competition. How a Cellular System Work* The TCC designated the S thirty-Khz-wide channels in Ihe band. 333 channeLs are reserved tor the wincliiK cellular company, .1.1.1 arc reserved for the non -wire line company, and Lhe Just 333 are held in reserve tor future cellular for other mobile) sc rv ice, When a celluLi r call is initiated . l! is received by the closest Jow-powpr microwave ante nna i n the cellu lar a i ca . From there, the call is routed completely Over the microwave system if it is going to another Cel lular phone, or if il is going to a land line (regular phone), the call Is then routed through a highly sophisticated computer switch and connected through to regular land Line phunes. As a vehicle moves throughout the oetlularareu (the geographic a rea in wh ich the ccllula r company OpC rates). I he signal is aulomatieuJly “handed off" from one cell to Che next, so chat the signal stays strong and clear, Just as an FM broadcast chonnot can be used in many cities across the country, a CelJu Lir channel can be used in different pa rts of the coverage area. This geographic sharing permits a cellular system to use radio channels mote efficiently than existing mobile panne systems , A number of phone Conversa Lions can lake place EhruughouL a cellu h,r area, at the same time, on the same channel without interfering wilh each Oilier. Cost Cellular hard wap; varies according LU lhe area of the country, and feu Lures of the model, (.ieueratly speaking., perhaps S99? to Si .800 or so for a vehicle-mounted unit, and S2.Q00 toiXCKHJ for portable and t ransptnlabk units, E .casing and rentals arc available in some areas. For lhe usage of the unit, the phone company charges a monthly fee, and a small charge per rail. things we're not Supposed to know about by S>r William Tn addition 10 the Captain Mid night episode, Lhere have been people recently throwing sin tic at LttJO’s satellite from iheir bae k ya i d d i ill C if l ra n sir. i L t e r s . W h L Lc t h c re "s n o re a 3 imagination in ItaiL. it’s pretty impressive that all dishes can he made to work both ways. CapLain Mid night did more, thuugh. lEe sent □ signal with a message and actually bumped Ihe H BO signal off of their own satellite. What’s more, he apparently sent ii with lhe same se rumbling, technique used by TTlJO so that it would come out Oil lhe viewers' sets normally, Very impressive, A II of this has been leading up to Lhe more serious stuff: wta i is available for hunting someone Like Captain Midnight down. I know of radio transmission direction rlnrfeis thfli tan. find a source in less than 15 milliseconds. This. LOO. is impressive. I his equipment is only available to law enforcement agencies anti Lite -ike so you Or I can't get it (even if we could afford i i ), As i\ trui I ler of lad . we ca n’t even get a catalog from these people to see just what they make u ntess we happen to work for oaic 0 T "’those" agencies. “Why is that?" you may well ask. It's probably heeauxe they dotlK want you to know what else they make and se!L lu “law enforcement agencies’’. Not wanti ng 1 be general pu biic to know about things tike wallet tra US mil Lera makes sense. Any crook Iliac watches TV knows that an undercover cop might lie wired under his shirt li ke on TV. EJut how many would tin ok 1.0 check lhe guy’s wallet? ibis is all intcctsl ing. bul what gets me is all the equipment available for bugging people. Phone transmitters Ituit draw their power from 1 he line i I self a nd Lise the wires fo r its a menna . Guaranteed Lu look identical to the microphone part in a regular telephone. It only puts out two rtlilliwatls of power, hut they have Loads of rc-irAilsmittefs available to boost the signal- There are '"pffliilic" taps that work on the same principle but don ) iec]u ire access to the phone to be hi pped . just to the lines going to it. So just what a re “they” doing with these tli in ex? I f there V a good reason ro tap a phone, then a COut! Order is gotten and a recorder put on the line at the central office, all nice and legal So juSL what do “they” do with all nf this equipment that ss actually illegal to use? Pc rha ps ynu would li ke lo ask them foryoursclvcs. They can be contacted a LI Audio. Intelligence Devices, L4f!0 X 1 W 62ild St Furl Lauderdale, E L 33m ( .1(15 > 77fi-5(W0 . And 5 bet you thought IL l hey " were there to protect you from Use kind of people Ltuit would use this kind of stuff, suvnio.viii 2600 fallows TAP WUO * Uy How Not to be Rejected JsW ^CM :-c Pi r.z Anton .1, Campanclla, president of New Jersey fed. recently gave a speech to some New Jersey bus in ms leaders. In it. he siitL “Jt won't Lie loo long before you will lmvc tbc ability to know who s catling before you a I he photic. Il WOtl 1 be too loop before you coo prevent unwanted millers from ever reaching you. 11 And the ej4.ee li lives clapped, laughed, and cheered at tiie prospect, content in the knowledge that never again would they have to deal with unhappy Customers, Unwanted wires, and anything else that could pet in the way of Lhcir pursuit of happiness. If you suspect that someone you’re tryinp to reach is using this rui sLy hi Lie fea Lu re Lo avoid you , llkCrC ate many ways to get around it . Cal] from a payphone or a friend^ house. Cali using a long diswri.CC comjjany, most of Which arc unable to provide details like your phone number to the person you ’re Killing. There are olheis, hut this should he enough to pet your toot into his/her phone. Ph teaks Tie Up Id lies ■I.'.i r.N j'b'sI Nfjw S a iY« Mountiin Beil announced in October that it laid detected massive fraudulent use of interstate long distance oiling 1 hat 0 .i used (I isrujuio i) of telephone seivice in the Alamogordo (New Mexico) area. Area Manager Gene Whitehead said the sporadic disruption in scivicc had been caused hv the use of the Alamogordo switching facilities by people on the east Cbast calling Puerto Rico. He said the use of the switching, facilities had become so interne tliat local subscribers were having to make many nlLetnpLs to complete their Long d is LanCe calls. He noted that long distance calls into the area also were being blocked by the Cflst COOSI traffic that was being routed to F J ucrto Rico illegally through the Alamogordo swiLch, The use of remote switching offices, he said, such as the one in Alamogordo to comp I etc these lypes of Long d ista nee calls also causes disruption of Local service. For example, he explained, locnl telephone numbers are dialed as part of the lota! dialing sequence lo compile such cults And this causes, local telephones to ring. But when the telephones are answered . there as no one on the lane. He said thul 1 his pti rl i d. a lit r p rob] tail occurred i n Alamogordo two years ago, ant! has appeared in other areas of Lhe country. He said tlto perpetrators were using switching facilities, in Montana, but were blocked there. They Lhen lied into the Alamogordo exchange. | For all you folks Ihal are always asking where blue boxes work, this oughL to give you an adea.J North Carolina #1 in Hacking Sew Y rrL I tally Five N orth L'amii na computer hackers face felony charges an the nation 's 'ia rgest computer phone fi a ud nvrestiga i ion , fedora l ago nl:* have announced . .The indictment cltfi rges the five with using home computer systems to cap longdistance phone companies’eustomer access codes to make ’’hundreds of thousands of dollars''' an calls without paying for them . [Maybe they were wailing for Lhe bill....] international Hacking r^AjRd V?jiKufiV% One of Bntain’s largest altemplod frauds, involving the electronic transfer of securities, has been detected and blocked * u CJ 2 with the help of an an junction Lia Switzerland only hours before its completion. lhe attempted fraud involved the transfer Of Eurobonds wOilll S3 .5 million (U.S.) to a Swiss bank account. The ser-'j cities belonged to the London branch of Prudential, Budae Securities Inc. of New York, Its T.n melon offices have now Lightened u p their computer password security in response to ti series of criticisms from their head office. Otic official involved in the investigation said h H When I saw how easy at wus to break anto their system, l thought of retiring, buying a simple cnniputcr manual, and doing the same thing myself. 71 [What as ridiculous remark! You don't need at manual!] Computers Threaten Privacy TIk VoiN. A report by the Office ni Technology Assessor m wairns that advances in Government computer i/s’d record systems have eroded some of the individual protections established Ivy the Privacy Act nf IU74. According In the report, technological insprovftllWirLs iai storing pereonul records have helped the Guverntnent attack fraud, waste, and abuse, have assisted law-en force me r.1 agencies and have streamlined sonic Gove raiment operations. But Lhe re port goes on to say 1 bat these advantages have been offset by new opportunue.s for unauthorized mxl dkgs! use of personal files. A result, according to the report, has been the creation of a ’'de facto national database containing jicreona] information on most Americans. 11 Telco Says “Pay for Tones" ^■ r hen New York Telephone detects use of touch tone service without notification to the phoisc company, ii contucls the customer and requests that monthly payments of 12. 1 $ per phone lane start. If the notice is ignored for two or tluce weeks, the com pany blocks any outgoing calls Iliac a re not made on a phone with a rotaiy-lype transaiiissLOn. Forty-five percent oL the company’s Long Island customers ran still get awny with free touch tones. {It wnsfltf percent four years ago,) As electronic switching systems advance, Lhe percentage will go down to zero. T he company expects this bv 1992, [We all know that touch tone sendee doesn't cost the phone company anything -it .«mt£ (Item a tremendous amount of time snd expense.. The only equipment 1 ha! is expensive is EhiU. which detects whether Or not touch tones are being used! Write to your public service commission today and explain this to them., fetter slil!, let's organize a nationwide touch tone strike W r hcn the phone Compa nres sea; everyone going fr-refc to rotary- dials and clogging up the network, they will sum begging for US to go back!] Loophole in Wiretap Law il .. iV.pJi L kni.il New Jersey’s wiretap law was not violated when •conversations over a cordless telephone were la pe-recOrded last scar, accord i ng to tire ailOrney-general't ofticc. ’ A Lengthy investigation determined that the inw i ecplioo of the conversations did nOI violate Lite suite wiretap net. There was no ’bug' used to pick up the conversations. They were sim ply heard over a pot her telephone /' a spokesman said . Conversa lions over cordless phones frequently can be heard by neighbors over their own phones or on radios Accidental interceptions are not illegal, according lu lhe direcHur of lhe criminal justice office, LETTERPIEE I ^ ™Uv Jisomcral ll»l K)U*J «=* «™“ ^ 10 Offer 1PJWATS scrrioc an buy SM numlK^ Tij fih L>|»»V do «■■ > *«■*. ™ (» J ' .v^j ic-fl 7W5 233 444 4i5fi,6wp777 1 B«r«» , P^ Jv ^ Sssssssik: primary earner. Fireman Ann Arbor* Ml D “S % faithfully, lw* all Of the of th= sitllctes aiw3 L=^^. i oti tlus ^Th^T ''Sty ^ tit: pfi o ne ^ encountered on your rcaderR i:ip ■■' San Juanaf hcconu n H common on Amentfi i' ^ SiSiSl U Sr its 1-101 ' ■in®™ wi ^5?‘?s Traostar Airlines of Houston has ii ^ one eaH rmm Cohn LO Puerto L^O on a 0 pen aiors very busy and Tuqui res sfccml programming of s a pa w to “" e^S!^ SSTtetrS a^^O^aSsy than*, jsl.* Su if « to dSii - ptsystation, cic|«T * e |Sro-™chkTiical.This story is technically ™ L areas. It seems a shame to devote so miKhqriW m thatsuh,^ wtorr hV prj'rr(mf f /iflff sftw y, we cm i voachfor its fitw readers did. But v* received many shrub* compiamts ^famJ onfvr more about the iVrto Rican phon W- De j have a question- 1 own a piece of software I or 1 hr ^ enables :nc to produce the tones of i!k S'R^, 1 ^ ^d bit boxes ■ I'he question is for the red ho* when 1 dull 5 MS W L f b t , mui niav the 2600 Hertz lone to became the Operator (which L have d one wLlh success), will the telephone com pany ever ktmv, that ] jU doing thisT , . ■ ihc And reaardma the Long Distance Voyagers letLet ut .1 And, u.,..iiuii g E. ,..i? i ™ lumnderal how many Pi™ Cohidas did he drink? Tlw ^formation Oh the islai^ tihone system is completely distorted ai^fal-se! Puerto [,„■ L> 1 lh t most modem computer opera ted refihlur and I K nlar nhor.e systems in the 1J meed States, S he only truth in hr:, letter ^ been ph reahed many times l P.S. Is your BBS still rvorkirnr? Uto Pieslraa, Puerto Pico toyw first liflt il-plirwki wrafW he high att ihe priority list. W her m phone service chan others. Hun accounts M ^c J/jc^cy. 0 H r iii fir. > f Private Si?e(w, tsjti D M™Wrt-timejoh iawhha national TV n^i^pnbljc- oho.ae. numbers on MCI outgoing WATS Im^^m tmK to i.Lnw I run into interesting; ones and yol tr-cm - ^ or twice a day 1 HAwnrifrht weird sifiiwl. One numher, ^37 .4^ m .gives 3™“ “ ioilc thS( ■sw'ceps across the whole audio spectrum and repeats indefinitely. , lad uiiiR bv the nomber. it’s pfobub y mairnaituxl tote S™ Mmiilli I" POTltaM). OH.. 1 “ S ,t ',' l H r siwpwne al& number here in Philadelphia which 1 nttoUl by a pliable source is used in cheeking hncs for wimtups ■ JSfS.’S'JSS* - at 8tB53S7™i ^Hich a™pti a 10- diuiiDTMV seqaenec and speaks tliem hacltat you. lliempo X be hm digits with * . A. B,C, *ad D « not pronounced- ltk more forgivinfi thf. n , A ,; U jd »p«: Trc „ . A. <— ?** - -r ^ noncommercial ads from vnbsc .Iters, L \ °^J J^lteto a nvthinfi like nvi; . they have Lots of eqU ,pmcut they would Mi* self off . How about it? . . Tlianks, and keep up the temfic work- H _ lift vert own, PA rind they're ad tasting QM thing or maiher. hj'cp fiu ° ^ _ ' WSrl aiH’tt ti interested in my articles on m-w teihnuivg^ loZ. as they sound interesting. Ifts see who t y^tVt g*^ Regarding she classified & etton— i r J up to our f _, -[ w em interest in if. we If start one up- But wr need So hcU j ■ yOU folk*. have opened up m Ireland recently, so lVn going to look for new The 2600 Information Bureau -Tsi S.M 'zr \\a 2600 (ISSN 0749-3S.5I) Editor ;imJ Publisher Twenty Six HundffitJ Associate Edi tors Ent Corley David HudtNman Executive DireCtur Helen Victory Cartoonist Dar, Holder BOS Operator Tom Bhch Junk Mail Receiver Richard Petrovich Writers: Johr Drake. Ptuii tsN'v M-r. French, Emmanuel GeW&toin. Chester H dimes, The Kid& Company Lex Lut her, Lord Phreakcr. Mike Salerno, The Shadow, Silent Switchman, and the usual anonymous bunch 2&QQ i$ [Xiblishiid by 2(300 Enienp ri &sa. Inc., sc SlewTurtynary c<«ini?n’iwi ANNUAL SUBSCRIPTION PATES 512. individual; iJO. carw-tW ■J-2C. aveiwraa. UFETIME 5UB5CH PTJCYJ S7CO SPCNSOnSHIP; ^2-5CO. RACK. ISSUES fliKh. individual. S3 each, Curpurate: 5 3 SB eem. O'Hirsii.is. MAKE EHtiCNS PAYAfi-lf TO' JlSOO Eoiprpr^as Inc WRITE TO' 235TW P O. B™ 763 Middle frCarvd WY11&H-0TS2 TELEPHONE 15101751 -2KB PRIVATE SECTOR DBS ;201 ) 265 *121 ADVpHT’SlNG DEPARTMENT PO Be* 752. Middle Island. NY 11953-0763 CnirTixtardi AtCICLE SUBMISSION AND LETTERS PC Booh 99. Middle Island, NT 1t9S3 QOs& yaj readily gccapi emcic* latter*, clippings eirv-orn. and Laid lev ■nuhlicmon POSTMASTER Thir, in pr vale mail. 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II/7B U .UicnSni' “ r — x- “- ■ ■ VA M/7B- a .uv iCCII-D SVSTEIIFlTiCfliLLV SPOKEN Free Directories For Bigwigs i--Vsr.nL 5>j|- L-hJ-jIi' JhoHC AT&T cl i rector ius of luMree S00 numbers consumer edition, $14,95 business ertiLion) are being distributed tree to one million selected households and mere than 3tifl,f)Q0 businesses, the consumer bonis will gn to fa Cud to illy selecLed households with annual incomes Over 335,0011. whose members. ha. VC attended college, make purchases via mail or telephone und a nr holders of major credit cards, ^ Business ediliuns ore being sent to medium and large siius companies and are targeted to penile Mtelt as purchasing agents who have lx:cn identified by researchers as being cite ItCitviusi potential users. t'l'his is typical -the people who really could use free books are ineligible because they’re not wealthy enough. And whaL rt both hackers? They use M50 numbers, don'i sissy? In fact, they probably get more out nf those numbers I ban anyone else! By ;hc way, in l £ J35 more titan 3 billion ihteralale calls were made to AT&T 800 numbers for goods and services, a tenfold increase since 1075. And guess wlscn S^Of) numbers were sULrlcd — 1 967. ] PC Pictures YiVi 1 Niiwi l4r.1iA.-1l Wide am Inc. said It introduced a device [Juit will allow personal computers ro ilOre, transmit and recall color television still pictures via telephone line*. Called a video compression unit, the device, selling for S4,S0Q. is being marketed to honks, rml cstnlc agencies. law enlorcement agencies and other concerns interested in tlK quick transmission and storage of phot ng rapliic dula. Wideom said. Uiider previous technology, stomge of color television pictures in computer memories was possible bid impractical bodtuse without compression of photographic signals, no mote than three pictures could tie stored on au ordinary floppy disk, Tlsc new device allows up to LOO color pictures to he stored on u floppy. Fingerprint Identification System jlLVVHllU NF.C Information Systems is pro b?i bly the favorite computer maker of the nation's police forces, fine Massachusetts com pany is winning praise from the- couni cy's Jaw enforcement Officials for a computerized fingerprint identification system. California State Attorney general John V Hn de Kamp said Uss NEC system has turned criminals who “were beyond the reach of the law i mo involuntary guests of otir state prisons.” As of Decern ber 17, the Califn rnia system, culled Cal-l.D, , had scored “hits" on 7? pnnts. tracking down suspects in several murder cases. “ I his fingerprint identification system is the most significant development in American biw enforcement .since the intruduetio n of tlit two-way rad io in patrol cars many years ago,"' Van de Karri p raid . NEC won the 822,3 million California coillracl in 3-M Buy My Wires I'fa .’Hk'V Yui I I TrEi In OPC of the last slept: toward giving consumers complete ownership of their telephones, local companies are now oflcring to sell them the wires in the homes In meenl phone hills. New York Telephone, for example, informed Customers tltry oouLd bay their inside wiring for 330 for I he first line. 320 for the second line, and $10 for each additional line. The company also levies a “record order charge* Of JL0.30 to complete the t mnsiicrion. Since I . customers have been allowed Lo injJa 1 1 tlieir own wi ring in their homes, They have been permitted since 1078 Lo buy Ibeir own telephones and hook them up. Navigate With A CD Wcw.hVI Compact-disk re ini- only memory {CD-ROM) technology may srann help keep tiuek drivers fio.iu getting lost. Instead of Lrying to read a map or following unclear directions, truck drivers can look a pan electronic map (ILspLa yed On a small computer screen in their dashboa rds. 11 k screen would show tlici r current location as well as tlkrii- Hna I destination, The system, culled Navigator, is made by Jctak. Inc. Although the company currently uses digital cassettes to hold detailed area maps in database fnrrn, it is cOUSide fiug compact disks I n r si 01 mg maps. fisera will never have to change cassettes within a region nr a state if they used d>>. A map for Sal) Francisco now lakes up fuor cassettes-. The key tn the Naviga tor isn shoe-bo s -sized computer Lhisl sgs i ij 1 h.C 1 funk Of a ear I i receives informs lion from sensora on the wheels 10 measure distance and from a compass. Currently, electronic maps are available for major cities in California. IBM Braille Compatible L'rfihvil h'£ft\ Vi i r.v «. A complete computer workstation brings the visually itnpai red i nco the lacking world . Duxbury Systems (Littlejohn, Ma) has integrated an IBM compatible; a braille translator, which translates typewritten material to braille or from braille to prinl' ? high quality voice device such as DFCtalJtl a braille prinlcr; and an optical character reader. Who Wants To Be Swept? Sth/Jiylaixf A Pliiladelph ia-urea surveillance equipment supplier, Sherwood Communications Assoc., recently analyzed clicnis for whom it had also performed sweeps fur Hie detection n£ hidden devices. According to Russ Vas Dias, president, the most frequent users of sweep services in order of frequency art: marital investigations, bid-sensitive 00 nt met ora and manufacturers, labor rela tions wscs, suspected industrial espionage, request from lawyers, and individuals and small businesses. Government is a re guild r use 1 lor such .services. .According to V'us Dias, one sensitive agency sehed ules a monltdy sweep. Fees are paid by a special account, no purchase orders are created, and no receipt requested. LETTERS (continued from page 3-92) subscribe ft for you. T sorbet im-CR get asi Fis^LLsIi majjaxitK called tSM (Information Security Monitor). Do yon lino*- inbuilt irV [ suppose it's rhio opposite of 26W, wt rh a rl itles about improved computer security, new computer crime Jliwr. anrf orlser nasty HLitllf, I hey even report flic secure and return nf equipment (wtoiyjmi; to two jsuty.s called L>. Kutlcmiais anti E. Corley! L.ct me know if yog Are interested— [ can run off a photocopy for you, the mug is only 16 pages per month; Meanwhile, please keep on Reading, and lct> have Artaks about European phone/ computer systems ton. Michael Matt Dublin, Ireland Dear M M; K-V >j? oi h'uvj. j>j terested in fending miscattccp tions, particularly from over mis. Send ii on in. Dcar2dtW: Fnr rliuseof you who don't have Loucb tones bul want to use ESS functions sitehus tit 11 forwarding. she problem nf how lu dial the s(ar seems insurmountable. WdL, there appcfi rs to be a solu tioir, The Rtar ca n he $imu luted by dLal mg 1 1 , { N ot eleven, two onet-. although 1 L m sure many pen ply wi IJ end up colli hr I he Shir the eleven key fitsn now on.) ft'ftxt you .viy appears to hok! true. This is very useful for those of i us who want ro disable call waiting, a hid , i can hi- a real pain sometime*, Dkifing*7ttusnetfy works in most FSS Offices, jVrtw, ! m mil work m •well, There ere s.omC ESS systems which doit V o!h/n' this useftti fenmre, nod wr hove yet tv find one it mi advertises it. (By ike way, the disable function only lasts for one eaii—it doe so V Ative to ho deprogrammed.) , t |> “I k-.i Si ij ’-±r a’ i ^5; T A i, e? ^ iii-i ^ tt iS p-V h-.s jiri'S . fix e'Z b’rii ?.t|n till £ii “ ii W S * ’V' S^itT-l 1 -jl-Vl j ill Vh * $ F. 7.T.T 1 7, T/Ll.T J 7. Lm ss < < m i ,'vci 1 1 f \ i : mmii n&ti imi SSSssikis*hm>ASSJKSJEiiS ESbiahhhwiSgj.M ji^EEkSifiSikKi, * I jSi E ' ! i svLiS mvi MOME3 CAN WE SAT?