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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
=-=-=-=-=-=-=-=-=-=-=-=-= Section C -- Telephony  =-=-=-=-=-=-=-=-=-=-=-=-=
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

C-01. What is a Red Box?

When a coin is inserted into a payphone, the payphone emits a set of
tones to ACTS (Automated Coin Toll System).  Red boxes work by fooling
ACTS into believing you have actually put money into the phone.  The
red box simply plays the ACTS tones into the telephone microphone.
ACTS hears those tones, and allows you to place your call.  The actual
tones are:

Nickel:
35-160ms 1700hz & 2200hz tone burst, followed by 240ms of silence.

Dime:
Two 35-160ms 1700hz & 2200hz bursts, with a spacing of 20-110ms between
the bursts, followed by 165 ms of silence.

Quarter:
Five 1700hz & 2200hz bursts, with the first and last being 20-100ms in
length, and the second through fourth being 20-60ms in length.  The spacing
between the first and second bursts is 20-110ms, while the spacing between
the following bursts is 20-60ms. The tones are followed by 60ms of silence.

Canada uses a variant of ACTSD called N-ACTS.  N-ACTS uses different
tones than ACTS.  In Canada, the tones to use are:

Nickel Signal      2200hz       0.060s on
Dime Signal        2200hz       0.060s on, 0.060s off, twice repeating
Quarter Signal     2200hz       33ms on, 33ms off, 5 times repeating


---------------------------------------------------------------------------

C-02. How do I build a Red Box?

Red boxes are commonly manufactured from Radio Shack tone dialers,
Hallmark greeting cards, or made from scratch from readily available
electronic components.

To make a Red Box from a Radio Shack 43-141 or 43-146 tone dialer, open
the dialer and replace the crystal with a new one. The purpose of the
new crystal is to cause the * button on your tone dialer to create a
1700hz and 2200hz tone instead of the original 941hz and 1209hz
tones.  The exact value of the replacement crystal should be 6.466806 to
create a perfect 1700hz tone and 6.513698 to create a perfect 2200hz
tone.  A crystal close to those values will create a tone that easily
falls within the loose tolerances of ACTS. The most popular choice is
the 6.5536Mhz crystal, because it is the easiest to procure.  The old
crystal is the large shiny metal component labeled "3.579545Mhz."  When
you are finished replacing the crystal, program the P1 button with five
*'s.  That will simulate a quarter tone each time you press P1.

You can record the ACTS tones and play them back into the telephone.
This is what is done with the Hallmark greeting card.  Alternatively,
you can build your own circuit using any voice recording chip, such as
Radio Shack catalog number 276-1325.


---------------------------------------------------------------------------

C-03. Where can I get a 6.5536Mhz crystal?

Your best bet is a local electronics store.  Radio Shack sells them, but
they are overpriced and the store must order them in.  This takes
approximately two weeks.  In addition, many Radio Shack employees do not
know that this can be done.

Or, you could order the crystal mail order.  This introduces Shipping
and Handling charges, which are usually much greater than the price of
the crystal.  It's best to get several people together to share the S&H
cost.  Or, buy five or six yourself and sell them later.  Some of the
places you can order crystals are:

Digi-Key
701 Brooks Avenue South
P.O. Box 677
Thief River Falls, MN 56701-0677
(800)344-4539
Part Number:X415-ND    /* Note: 6.500Mhz and only .197 x .433 x .149! */
Part Number:X018-ND

JDR Microdevices:
2233 Branham Lane
San Jose, CA 95124
(800)538-5000
Part Number: 6.5536MHZ

Tandy Express Order Marketing
401 NE 38th Street
Fort Worth, TX 76106
(800)241-8742
Part Number: 10068625

Alltronics
2300 Zanker Road
San Jose CA 95131
(408)943-9774 Voice
(408)943-9776 Fax
(408)943-0622 BBS
Part Number: 92A057

Mouser
(800)346-6873
Part Number: 332-1066

Blue Saguaro
P.O. Box 37061
Tucson, AZ 85740
Part Number: 1458b

Unicorn Electronics
10000 Canoga Ave, Unit c-2
Chatsworth, CA 91311
Phone: 1-800-824-3432
Part Number: CR6.5


---------------------------------------------------------------------------

C-04. Which payphones will a Red Box work on?

Red Boxes will work on telco owned payphones, but not on COCOT's
(Customer Owned Coin Operated Telephones).

Red boxes work by fooling ACTS (Automated Coin Toll System) into
believing you have put money into the pay phone.  ACTS is the
telephone company software responsible for saying "Please deposit XX
cents" and listening for the coins being deposited.

COCOT's do not use ACTS.  On a COCOT, the pay phone itself is
responsible for determining what coins have been inserted.


---------------------------------------------------------------------------

C-05. How do I make local calls with a Red Box?

Payphones do not use ACTS for local calls.  To use your red box for
local calls, you have to fool ACTS into getting involved in the call.

One way to do this, in some areas, is by dialing an Equal Access Code
before the number you are dialing.  For example, to use 10288 (an
Equal Access Code belonging to AT&T), dial 10288-xxx-xxxx.  This
makes your call a long distance call, and brings ACTS into the
picture.  There are quite a large number of Equal Access Codes
available in most geographic regions.

In other areas, you can call Directory Assistance and ask for the
number of the person you are trying to reach.  The operator will give
you the number and then you will hear a message similar to "Your call
can be completed automatically for an additional 35 cents."  When this
happens, you can then use ACTS tones.

Another operator scam involves calling (800) long distance operators,
asking them to connect you, and then playing the ACTS tones.  This
will get ACTS involved, even on COCOT's!

I have heard that in some areas you can dial local calls as if they
were long distance.  For example, to dial 345-4587 to would dial
303-345-4587.  This does not work on payphones in my area.


---------------------------------------------------------------------------

C-06. What is a Blue Box?

Blue boxes use a 2600hz tone to size control of telephone switches
that use in-band signalling.  The caller may then access special
switch functions, with the usual purpose of making free long distance
phone calls, using the tones provided by the Blue Box.


---------------------------------------------------------------------------

C-07. Do Blue Boxes still work?

This FAQ answer is excerpted from a message posted to Usenet by
Marauder of the Legion of Doom:

Somewhere along the line I have seen reference to something
similar to "Because of ESS Blue boxing is impossible".  This is
incorrect.  When I lived in Connecticut I was able to blue box
under Step by Step, #1AESS, and DMS-100.  The reason is simple,
even though I was initiating my call to an 800 number from a
different exchange (Class 5 office, aka Central Office) in each
case, when the 800 call was routed to the toll network it would
route through the New Haven #5 Crossbar toll Tandem office.  It
just so happens that the trunks between the class 5 (CO's) and
the class 4 (toll office, in this case New Haven #5 Xbar),
utilized in-band (MF) signalling, so regardless of what I
dialed, as long as it was an Inter-Lata call, my call would
route through this particular set of trunks, and I could Blue
box until I was blue in the face.  The originating Central
Offices switch (SXS/ESS/Etc..) had little effect on my ability
to box at all.  While the advent of ESS (and other electronic
switches) has made the blue boxers task a bit more difficult,
ESS is not the reason most of you are unable to blue box.  The
main culprit is the "forward audio mute" feature of CCIS (out of
band signalling).  Unfortunately for the boxer 99% of the Toll
Completion centers communicate using CCIS links, This spells
disaster for the blue boxer since most of you must dial out of
your local area to find trunks that utilize MF signalling, you
inevitably cross a portion of the network that is CCIS equipped,
you find an exchange that you blow 2600hz at, you are rewarded
with a nice "winkstart", and no matter what MF tones you send at
it, you meet with a re-order.  This is because as soon as you
seized the trunk (your application of 2600hz), your Originating
Toll Office sees this as a loss of supervision at the
destination, and Mutes any further audio from being passed to
the destination (ie: your waiting trunk!).  You meet with a
reorder because the waiting trunk never "hears" any of the MF
tones you are sending, and it times out.  So for the clever
amongst you, you must somehow get yourself to the 1000's of
trunks out there that still utilize MF signalling but
bypass/disable the CCIS audio mute problem.  (Hint: Take a close
look at WATS extenders).


---------------------------------------------------------------------------

C-08. What is a Black Box?

A Black Box is a resistor (and often capacitor in parallel) placed in
series across your phone line to cause the phone company equipment to be
unable to detect that you have answered your telephone.  People who call
you will then not be billed for the telephone call.  Black boxes do not
work under ESS.


---------------------------------------------------------------------------

C-09. What do all the colored boxes do?

Acrylic      Steal Three-Way-Calling, Call Waiting and programmable
     Call Forwarding on old 4-wire phone systems
Aqua         Drain the voltage of the FBI lock-in-trace/trap-trace
Beige        Lineman's hand set
Black        Allows the calling party to not be billed for the call
     placed
Blast        Phone microphone amplifier
Blotto       Supposedly shorts every phone out in the immediate area
Blue         Emulate a true operator by seizing a trunk with a 2600hz
     tone
Brown        Create a party line from 2 phone lines
Bud          Tap into your neighbors phone line
Chartreuse   Use the electricity from your phone line
Cheese       Connect two phones to create a diverter
Chrome       Manipulate Traffic Signals by Remote Control
Clear        A telephone pickup coil and a small amp used to make free
     calls on Fortress Phones
Color        Line activated telephone recorder
Copper       Cause crosstalk interference on an extender
Crimson      Hold button
Dark         Re-route outgoing or incoming calls to another phone
Dayglo       Connect to your neighbors phone line
Diverter     Re-route outgoing or incoming calls to another phone
DLOC         Create a party line from 2 phone lines
Gold         Dialout router
Green        Emulate the Coin Collect, Coin Return, and Ringback tones
Infinity     Remotely activated phone tap
Jack         Touch-Tone key pad
Light        In-use light
Lunch        AM transmitter
Magenta      Connect a remote phone line to another remote phone line
Mauve        Phone tap without cutting into a line
Neon         External microphone
Noise        Create line noise
Olive        External ringer
Party        Create a party line from 2 phone lines
Pearl        Tone generator
Pink         Create a party line from 2 phone lines
Purple       Telephone hold button
Rainbow      Kill a trace by putting 120v into the phone line (joke)
Razz         Tap into your neighbors phone
Red          Make free phone calls from pay phones by generating
     quarter tones
Rock         Add music to your phone line
Scarlet      Cause a neighbors phone line to have poor reception
Silver       Create the DTMF tones for A, B, C and D
Static       Keep the voltage on a phone line high
Switch       Add hold, indicator lights, conferencing, etc..
Tan          Line activated telephone recorder
Tron         Reverse the phase of power to your house, causing your
     electric meter to run slower
TV Cable     "See" sound waves on your TV
Urine        Create a capacitative disturbance between the ring and
     tip wires in another's telephone headset
Violet       Keep a payphone from hanging up
White        Portable DTMF keypad
Yellow       Add an extension phone

Box schematics may be retrieved from these FTP sites:

ftp.netcom.com          /pub/br/bradleym
ftp.netcom.com          /pub/va/vandal
ftp.winternet.com       /users/nitehwk


---------------------------------------------------------------------------

C-10. What is an ANAC number?

An ANAC (Automatic Number Announcement Circuit) number is a telephone
number that plays back the number of the telephone that called it.
ANAC numbers are convenient if you want to know the telephone number
of a pair of wires.


---------------------------------------------------------------------------

C-11. What is the ANAC number for my area?

How to find your ANAC number:

Look up your NPA (Area Code) and try the number listed for it. If that
fails, try 1 plus the number listed for it.  If that fails, try the
common numbers like 311, 958 and 200-222-2222.  If you find the ANAC
number for your area, please let us know.

Note that many times the ANAC number will vary for different switches
in the same city.  The geographic naming on the list is NOT intended
to be an accurate reference for coverage patterns, it is for
convenience only.

Many companies operate 800 number services which will read back to you
the number from which you are calling.  Many of these require navigating
a series of menus to get the phone number you are looking for.  Please
use local ANAC numbers if you can, as overuse or abuse can kill 800 ANAC
numbers.

  (800)425-6256   VRS Billing Systems/Integretel (800)4BLOCKME
N (800)487-9240   Another line blocking service
 
A non-800 ANAC that works nationwide is 404-988-9664.  The one catch
with this number is that it must be dialed with the AT&T Carrier Access
Code 10732.  Use of this number does not appear to be billed.

Note: These geographic areas are for reference purposes only.  ANAC
numbers may vary from switch to switch within the same city.

  NPA  ANAC number      Approximate Geographic area
  ---  ---------------  ---------------------------------------------
  201  958              Hackensack/Jersey City/Newark/Paterson, NJ
  202  811              District of Columbia
  203  970              CT
  205  300-222-2222     Birmingham, AL
  205  300-555-5555     Many small towns in AL
  205  300-648-1111     Dora, AL
  205  300-765-4321     Bessemer, AL
  205  300-798-1111     Forestdale, AL
  205  300-833-3333     Birmingham
  205  557-2311         Birmingham, AL
  205  811              Pell City/Cropwell/Lincoln, AL
  205  841-1111         Tarrant, AL
  205  908-222-2222     Birmingham, AL
  206  411              WA (Not US West)
  207  200-222-2222     ME
  207  958              ME
  209  830-2121         Stockton, CA
  209  211-9779         Stockton, CA
  210  830              Brownsville/Laredo/San Antonio, TX
  210  951              Brownsville/Laredo/San Antonio, TX (GTE)
  212  958              Manhattan, NY
U 213  114              Los Angeles, CA (GTE 2EAX, DMS100, and GTD-5 witches)
U 213  1223             Los Angeles, CA (GTE 1AESS and 5ESS switches)
  213  211-2345         Los Angeles, CA (English response)
  213  211-2346         Los Angeles, CA (DTMF response)
  213  760-2???         Los Angeles, CA (DMS switches)
  213  61056            Los Angeles, CA
  214  570              Dallas, TX
  214  790              Dallas, TX (GTE)
N 214  970              Dallas, TX (GTE)
U 214  970-222-2222     Dallas, TX (Southwestern Bell)
  214  970-x11-1111     Dallas, TX (Southwestern Bell)
  215  410-xxxx         Philadelphia, PA
  215  511              Philadelphia, PA
  215  958              Philadelphia, PA
  216  200-XXXX         Akron/Canton/Cleveland/Lorain/Youngstown, OH
  216  331              Akron/Canton/Cleveland/Lorain/Youngstown, OH
  216  959-9892         Akron/Canton/Cleveland/Lorain/Youngstown, OH
  217  200-xxx-xxxx     Champaign-Urbana/Springfield, IL
  219  550              Gary/Hammond/Michigan City/Southbend, IN
  219  559              Gary/Hammond/Michigan City/Southbend, IN
  301  2002006969       Hagerstown/Rockville, MD
  301  958-9968         Hagerstown/Rockville, MD
  303  958              Aspen/Boulder/Denver/Durango/Grand Junction
/Steamboat Springs, CO
  305  200-555-1212     Ft. Lauderdale/Key West/Miami, FL
  305  200200200200200  Ft. Lauderdale/Key West/Miami, FL
  305  780-2411         Ft. Lauderdale/Key West/Miami, FL
  310  114              Long Beach, CA (On many GTE switches)
  310  1223             Long Beach, CA (Some 1AESS switches)
  310  211-2345         Long Beach, CA (English response)
  310  211-2346         Long Beach, CA (DTMF response)
  312  200              Chicago, IL
  312  290              Chicago, IL
  312  1-200-8825       Chicago, IL (Last four change rapidly)
  312  1-200-555-1212   Chicago, IL
  313  200-200-2002     Ann Arbor/Dearborn/Detroit, MI
  313  200-222-2222     Ann Arbor/Dearborn/Detroit, MI
  313  200-xxx-xxxx     Ann Arbor/Dearborn/Detroit, MI
  313  200200200200200  Ann Arbor/Dearborn/Detroit, MI
N 313  311              Ann Arbor/Dearborn/Detroit, MI
N 313  958-1111         Ann Arbor/Dearborn/Detroit, MI (GTE)
  314  410-xxxx#        Columbia/Jefferson City/St.Louis, MO
  315  953              Syracuse/Utica, NY
  315  958              Syracuse/Utica, NY
  315  998              Syracuse/Utica, NY
  317  310-222-2222     Indianapolis/Kokomo, IN
  317  559-222-2222     Indianapolis/Kokomo, IN
  317  743-1218         Indianapolis/Kokomo, IN
  334  5572411          Montgomery, AL
  334 5572311           Montgomery, AL
  401  200-200-4444     RI
  401  222-2222         RI
  401  2002006969       RI
  402  311              Lincoln, NE
  404  311              Atlanta, GA
  404  780-2311         Atlanta, GA
  404  940-xxx-xxxx     Atlanta, GA
  404  990              Atlanta, GA
  405  890-7777777      Enid/Oklahoma City, OK
  405  897              Enid/Oklahoma City, OK
  407  200-222-2222     Orlando/West Palm Beach, FL (Bell South)
  407  520-3111         Orlando/West Palm Beach, FL (United)
  408  300-xxx-xxxx     San Jose, CA
  408  760              San Jose, CA
  408  940              San Jose, CA
  409  951              Beaumont/Galveston, TX
  409  970-xxxx         Beaumont/Galveston, TX
  410  200-6969         Annapolis/Baltimore, MD
  410  200-200-6969     Annapolis/Baltimore, MD
  410  200-555-1212     Annapolis/Baltimore, MD
  410  811              Annapolis/Baltimore, MD
  412  711-6633         Pittsburgh, PA
  412  711-4411         Pittsburgh, PA
  412  999-xxxx         Pittsburgh, PA
  413  958              Pittsfield/Springfield, MA
  413  200-555-5555     Pittsfield/Springfield, MA
  414  330-2234         Fond du Lac/Green Bay/Milwaukee/Racine, WI
  415  200-555-1212     San Francisco, CA
  415  211-2111         San Francisco, CA
  415  2222             San Francisco, CA
  415  640              San Francisco, CA
  415  760-2878         San Francisco, CA
  415  7600-2222        San Francisco, CA
  419  311              Toledo, OH
  423  200-200-200      Chatanooga, Johnson City, Knoxville, TN
  501  511              AR
U 501  721-xxx-xxxx     AR
  502  2002222222       Frankfort/Louisville/Paducah/Shelbyville, KY
  502  997-555-1212     Frankfort/Louisville/Paducah/Shelbyville, KY
  503  611              Portland, OR
  503  999              Portland, OR (GTE)
  504  99882233         Baton Rouge/New Orleans, LA
  504  201-269-1111     Baton Rouge/New Orleans, LA
  504  998              Baton Rouge/New Orleans, LA
  504  99851-0000000000 Baton Rouge/New Orleans, LA
  508  958              Fall River/New Bedford/Worchester, MA
  508  200-222-1234     Fall River/New Bedford/Worchester, MA
  508  200-222-2222     Fall River/New Bedford/Worchester, MA
  508  26011            Fall River/New Bedford/Worchester, MA
  509  560              Spokane/Walla Walla/Yakima, WA
  510  760-1111         Oakland, CA
  512  830              Austin/Corpus Christi, TX
  512  970-xxxx         Austin/Corpus Christi, TX
  513  380-55555555     Cincinnati/Dayton, OH
  515  5463             Des Moines, IA
  515  811              Des Moines, IA
  516  958              Hempstead/Long Island, NY
  516  968              Hempstead/Long Island, NY
  517  200-222-2222     Bay City/Jackson/Lansing, MI
  517  200200200200200  Bay City/Jackson/Lansing, MI
N 517  958-1111         Bay City/Jackson/Lansing, MI (GTE)
  518  511              Albany/Schenectady/Troy, NY
  518  997              Albany/Schenectady/Troy, NY
  518  998              Albany/Schenectady/Troy, NY
  540  211              Roanoke, VA (GTE)
  540  311              Roanoke, VA (GTE)
  541  200              Bend, OR
N 573  511             
N 602  958-3474         Phoenix, AZ
N 601  200-222-2222     MS
N 603  200-2222         NH
  603  200-222-2222     NH
  606  997-555-1212     Ashland/Winchester, KY
  606  711              Ashland/Winchester, KY
  607  993              Binghamton/Elmira, NY
  609  958              Atlantic City/Camden/Trenton/Vineland, NJ
  610  958              Allentown/Reading, PA
  610  958-4100         Allentown/Reading, PA
  612  511              Minneapolis/St.Paul, MN
  614  200              Columbus/Steubenville, OH
  614  571              Columbus/Steubenville, OH
  615  200200200200200  Chatanooga/Knoxville/Nashville, TN
  615  2002222222       Chatanooga/Knoxville/Nashville, TN
  615  830              Nashville, TN
  616  200-222-2222     Battle Creek/Grand Rapids/Kalamazoo, MI
N 616  958-1111         Battle Creek/Grand Rapids/Kalamazoo, MI (GTE)
  617  200-222-1234     Boston, MA
  617  200-222-2222     Boston, MA
  617  200-444-4444     Boston, MA (Woburn, MA)
  617  220-2622         Boston, MA
  617  958              Boston, MA
  618  200-xxx-xxxx     Alton/Cairo/Mt.Vernon, IL
  618  930              Alton/Cairo/Mt.Vernon, IL
  619  211-2001         San Diego, CA
  619  211-2121         San Diego, CA
  659  220-2622         Newmarket, NH
  703  211              VA
  703  511-3636         Culpeper/Orange/Fredericksburg, VA
  703  811              Alexandria/Arlington/Roanoke, VA
  704  311              Asheville/Charlotte, NC
  706  940-xxxx         Augusta, GA
  707  211-2222         Eureka, CA
  707  611              Crescent City, CA
  708  1-200-555-1212   Chicago/Elgin, IL
  708  1-200-8825       Chicago/Elgin, IL (Last four change rapidly)
  708  200-6153         Chicago/Elgin, IL
  708  724-9951         Chicago/Elgin, IL
  713  380              Houston, TX
  713  970-xxxx         Houston, TX
  713  811              Humble, TX
  713  380-5555-5555    Houston, TX
  714  114              Anaheim, CA (GTE)
  714  211-2121         Anaheim, CA (PacBell)
  714  211-2222         Anaheim, CA (Pacbell)
  714  211-7777         Anaheim, CA (Pacbell)
  716  511              Buffalo/Niagara Falls/Rochester, NY (Rochester Tel)
  716  990              Buffalo/Niagara Falls/Rochester, NY (Rochester Tel)
  717  958              Harrisburg/Scranton/Wilkes-Barre, PA
  718  958              Bronx/Brooklyn/Queens/Staten Island, NY
  770  780-2311         Marietta/Norcross, GA
  770  940-xxx-xxxx     Marietta/Norcross, GA
  802  2-222-222-2222   Vermont
  802  200-222-2222     Vermont
  802  1-700-222-2222   Vermont
  802  111-2222         Vermont
  804  211              Richmond, VA
  804  990              Virginia Beach, VA
  805  114              Bakersfield/Santa Barbara, CA
  805  211-1101         Bakersfield/Santa Barbara, CA
  805  211-2345         Bakersfield/Santa Barbara, CA
  805  211-2346         Bakersfield/Santa Barbara, CA (Returns DTMF)
  805  830              Bakersfield/Santa Barbara, CA
  806  970-xxxx         Amarillo/Lubbock, TX
  810  200200200200200  Flint/Pontiac/Southfield/Troy, MI
  810  311              Pontiac/Southfield/Troy, MI
N 810  958-1111         Pontiac/Southfield/Troy, MI (GTE)
  812  410-555-1212     Evansville, IN
  813  311              Ft. Meyers/St. Petersburg/Tampa, FL
  815  200-3374         Crystal Lake, IL
  815  270-3374         Crystal Lake, IL
  815  770-3374         Crystal Lake, IL
  815  200-xxx-xxxx     La Salle/Rockford, IL
  815  290              La Salle/Rockford, IL
  817  211              Ft. Worth/Waco, TX
  817  970-611-1111     Ft. Worth/Waco, TX  (Southwestern Bell)
  817  973-222-11111    Ft. Worth/Waco, TX
  818  114              Pasadena, CA (GTE)
  818  1223             Pasadena, CA (Some 1AESS switches) (Pac Bell)
  818  211-2345         Pasadena, CA (English response) (Pac Bell)
  818  211-2346         Pasadena, CA (DTMF response) (Pac Bell)
  860  970              CT
  901  899-?555         Memphis, TN
  903  970-611-1111     Tyler, TX
  904  200-222-222      Jackonsville/Pensacola/Tallahasee, FL
  904  311              Jackonsville/Pensacola/Tallahasee, FL
  904  780-2311         Jackonsville/Pensacola/Tallahasee, FL
  906  1-200-222-2222   Marquette/Sault Ste. Marie, MI
N 906  958-1111         Marquette/Sault Ste. Marie, MI (GTE)
U 907  811              Anchorage, AK
  908  958              New Brunswick, NJ
  909  111              Riverside/San Bernardino, CA (GTE)
  909  114              Riverside/San Bernardino, CA
  910  200              Fayetteville/Greensboro/Raleigh/Winston-Salem, NC
  910  311              Fayetteville/Greensboro/Raleigh/Winston-Salem, NC
  910  988              Fayetteville/Greensboro/Raleigh/Winston-Salem, NC
  912  711              Albany/Savannah, GA
  912  780-2311         Albany/Savannah, GA
  914  990-1111         Peekskill/Poughkeepsie/White Plains/Yonkers, NY
  915  970-xxxx         Abilene/El Paso, TX
  916  211-0007         Sacramento, CA (Pac Bell)
  916  461              Sacramento, CA (Roseville Telephone)
  919  200              Durham, NC
  919  711              Durham, NC
  919  780-2411         Durham, NC
  954  200-555-1212     Ft. Lauderdale, FL
  954  200200200200200  Ft. Lauderdale, FL
  954  780-2411         Ft. Lauderdale, FL

  Canada:
  204  644-4444         Manitoba
  306  115              Saskatchewan
  403  311              Alberta, Yukon and N.W. Territory
  403  908-222-2222     Alberta, Yukon and N.W. Territory
  403  999              Alberta, Yukon and N.W. Territory
  416  997-xxxx         Toronto, Ontario
N 416  997-1699         Down Town, Toronto, Ontario
N 416  997-1699         Riverdale, Toronto, Ontario
N 416  997-8123         Scarborough, Toronto, Ontario
  506  1-555-1313       New Brunswick
  514  320-xxxx         Montreal, Quebec
  514  320-1232         Montreal, Quebec
  514  320-1223         Montreal, Quebec
  514  320-1233         Montreal, Quebec
  519  320-xxxx         London, Ontario
  604  1116             British Columbia
  604  1211             British Columbia
  604  211              British Columbia
  613  320-2232         Ottawa, Ontario
N 613  320-5123         Kingston/Belleville/Southeastern Ontario
N 613  320-5124         Kingston/Belleville/Southeastern Ontario
N 613  320-9123         Kingston/Belleville/Southeastern Ontario
  705  320-4567         North Bay/Saulte Ste. Marie, Ontario
  819  320-1112         Quebec


N Argentina:
  5702

  Australia:
  +61  03-552-4111      Victoria 03 area
  +612 19123            All major capital cities
  +612 11544

  United Kingdom:
U 175 or 17071

  Israel:
  110


---------------------------------------------------------------------------

C-12. What is a ringback number?

A ringback number is a number that you call that will immediately
ring the telephone from which it was called.

In most instances you must call the ringback number, quickly hang up
the phone for just a short moment and then let up on the switch, you
will then go back off hook and hear a different tone.  You may then
hang up.  You will be called back seconds later.  On some systems,
you will have to press a button of flash hook again before the final
hang up.


---------------------------------------------------------------------------

C-13. What is the ringback number for my area?

An 'x' means insert those numbers from the phone number from which you
are calling.  A '?' means that the number varies from switch to switch
in the area, or changes from time to time.  Try all possible
combinations.

If the ringback for your NPA is not listed, try common ones such as 114,
951-xxx-xxxx, 954, 957 and 958.  Also, try using the numbers listed for
other NPA's served by your telephone company.

Note: These geographic areas are for reference purposes only.  Ringback
numbers may vary from switch to switch within the same city.

  NPA  Ringback number  Approximate Geographic area
  ---  ---------------  ---------------------------------------------
  201  55?-xxxx         Hackensack/Jersey City/Newark/Paterson, NJ
  202  958-xxxx         District of Columbia
  203  99?-xxxx         CT
  206  571-xxxx         WA
  207  981-xxxx         ME
  208  59X-xxxx         ID
  208  99xxx-xxxx       ID
  210  211-8849-xxxx    Brownsville/Laredo/San Antonio, TX (GTE)
N 213  xxx-xxxx         Los Angeles, CA (GTE 2EAX, DMS100, and GTD-5 witches)
N 213  117-xxxx         Los Angeles, CA (GTE 5ESS switches)
U 213  195-xxxx         Los Angeles, CA (GTE 1AESS switches)
  214  971-xxxx         Dallas, TX
  215  811-xxxx         Philadelphia, PA
  216  551-xxxx         Akron/Canton/Cleveland/Lorain/Youngstown, OH
  219  571-xxx-xxxx     Gary/Hammond/Michigan City/Southbend, IN
  219  777-xxx-xxxx     Gary/Hammond/Michigan City/Southbend, IN
  301  579-xxxx         Hagerstown/Rockville, MD
  301  958-xxxx         Hagerstown/Rockville, MD
  303  99x-xxxx         Grand Junction, CO
  304  998-xxxx         WV
  305  999-xxxx         Ft. Lauderdale/Key West/Miami, FL
  312  511-xxxx         Chicago, IL
  312  511-xxx-xxxx     Chicago, IL
  312  57?-xxxx         Chicago, IL
N 313  116-xxx-xxxx     Ann Arbor/Dearborn/Detroit, MI (GTE)
N 313  951-xxxx         Ann Arbor/Dearborn/Detroit, MI
  315  98x-xxxx         Syracuse/Utica, NY
  317  777-xxxx         Indianapolis/Kokomo, IN
  317  xxx-xxxx         Indianapolis/Kokomo, IN (y=3rd digit of phone number)
  319  79x-xxxx         Davenport/Dubuque, Iowa
  334  901-xxxx         Montgomery, AL
  401  98?-xxxx         RI
  404  450-xxxx         Atlanta, GA
  407  988-xxxx         Orlando/West Palm Beach, FL
  408  470-xxxx         San Jose, CA
  408  580-xxxx         San Jose, CA
  412  985-xxxx         Pittsburgh, PA
N 413  1983-xxxx        Pittsfield/Springfield, MA
  414  977-xxxx         Fond du Lac/Green Bay/Milwaukee/Racine, WI
  414  978-xxxx         Fond du Lac/Green Bay/Milwaukee/Racine, WI
  415  350-xxxx         San Francisco, CA
  417  551-xxxx         Joplin/Springfield, MO
N 501  221-xxxx         Ft. Smith, AR (646 prefix)
  501  221-xxx-xxxx     AR
N 501  780-xxxx         Ft. Smith, AR (452 prefix)
  502  988              Frankfort/Louisville/Paducah/Shelbyville, KY
  503  541-XXXX         OR
  504  99x-xxxx         Baton Rouge/New Orleans, LA
  504  9988776655       Baton Rouge/New Orleans, LA
  505  59?-xxxx         New Mexico
  512  95X-xxxx         Austin, TX
  513  951-xxxx         Cincinnati/Dayton, OH
  513  955-xxxx         Cincinnati/Dayton, OH
  513  99?-xxxx         Cincinnati/Dayton, OH (X=0, 1, 2, 3, 4, 8 or 9)
  515  559-XXXX         Des Moines, IA
N 516  660-xxxx         Hempstead/Long Island, NY
  516  660-xxx-xxxx     Hempstead/Long Island, NY
N 517  116-xxx-xxxx     Bay City/Jackson/Lansing, MI (GTE)
N 520  594-xxxx         AZ
  601  777-xxxx         MS
  603  981-xxxx         NH
  609  55?-xxxx         Atlantic City/Camden/Trenton/Vineland, NJ
  610  811-xxxx         Allentown/Reading, PA
  612  511              Minneapolis/St.Paul, MN
  612  999-xxx-xxxx     Minneapolis/St.Paul, MN
  614  998-xxxx         Columbus/Steubenville, OH
  615  920-XXXX         Chatanooga/Knoxville/Nashville, TN
  615  930-xxxx         Chatanooga/Knoxville/Nashville, TN
N 616  116-xxx-xxxx     Battle Creek/Grand Rapids/Kalamazoo, MI (GTE)
  616  946-xxxx         Battle Creek/Grand Rapids/Kalamazoo, MI
  619  331-xxxx         San Diego, CA
  619  332-xxxx         San Diego, CA
  659  981-XXXX         Newmarket, NH
  703  511-xxx-xxxx     VA
  703  958-xxxx         Alexandria/Arlington/Roanoke, VA
  708  511-xxxx         Chicago/Elgin, IL
  713  231-xxxx         Los Angeles, CA
  714  330?             Anaheim, CA (GTE)
  714  33?-xxxx         Anaheim, CA (PacBell)
  716  981-xxxx         Rochester, NY (Rochester Tel)
  718  660-xxxx         Bronx/Brooklyn/Queens/Staten Island, NY
  719  99x-xxxx         Colorado Springs/Leadville/Pueblo, CO
  801  938-xxxx         Utah
  801  939-xxxx         Utah
  802  987-xxxx         Vermont
  804  260              Charlottesville/Newport News/Norfolk/Richmond, VA
  805  114              Bakersfield/Santa Barbara, CA
  805  980-xxxx         Bakersfield/Santa Barbara, CA
N 810  116-xxx-xxxx     Pontiac/Southfield/Troy, MI (GTE)
  810  951-xxx-xxxx     Pontiac/Southfield/Troy, MI
  813  711              Ft. Meyers/St. Petersburg/Tampa, FL
  817  971              Ft. Worth/Waco, TX (Flashhook, then 2#)
  818  915?-xxxx        Pasadena, CA
  864  999-xxx-xxxx     Greenville/Spartanburg, SC
N 906  116-xxx-xxxx     Marquette/Sault Ste. Marie, MI (GTE)
  906  951-xxx-xxxx     Marquette/Sault Ste. Marie, MI
  908  55?-xxxx         New Brunswick, NJ
  908  953              New Brunswick, NJ
  913  951-xxxx         Lawrence/Salina/Topeka, KS
  914  660-xxxx-xxxx    Peekskill/Poughkeepsie/White Plains/Yonkers, NY

  Canada:
  204  590-xxx-xxxx     Manitoba
N 403  999-xxx-xxxx     Alberta, Yukon, and N.W. Territories
  416  57x-xxxx         Toronto, Ontario
  416  99x-xxxx         Toronto, Ontario
  416  999-xxx-xxxx     Toronto, Ontario
  506  572+xxx-xxxx     New Brunswick
  514  320-xxx-xxxx     Montreal, Quebec
  519  999-xxx-xxxx     London, Ontario
  604  311-xxx-xxxx     British Columbia
N 604  871-xxx-xxxx     British Columbia
  613  999-xxx-xxxx     Ottawa, Ontario
  705  999-xxx-xxxx     North Bay/Saulte Ste. Marie, Ontario
  819  320-xxx-xxxx     Quebec
N 902  575-xxx-xxxx     Halifax, Nova Scotia
  905  999-xxx-xxxx     Hamilton/Mississauga/Niagra Falls, Ontario

N Argentina             115
  Australia:            +61 199
U Brazil:               109
  France:               3644
  Holland:              99-xxxxxx
  Malaysia              196
  New Zealand:          137
  Sweden:               0058
U United Kingdom:       174 or 1744 or 175 or 0500-89-0011 or 17070 + 1
  Amsterdam             0196
  Hilversum             0123456789
  Breukelen             0123456789
  Groningen             951


---------------------------------------------------------------------------

C-14. What is a loop?

This FAQ answer is excerpted from: ToneLoc v0.99 User Manual
   by Minor Threat & Mucho Maas

Loops are a pair of phone numbers, usually consecutive, like 836-9998
and 836-9999.  They are used by the phone company for testing.  What
good do loops do us?  Well, they are cool in a few ways.  Here is a
simple use of loops.  Each loop has two ends, a 'high' end, and a
'low' end.  One end gives a (usually) constant, loud tone when it is
called. The other end is silent.  Loops don't usually ring either.
When BOTH ends are called, the people that called each end can talk
through the loop.  Some loops are voice filtered and won't pass
anything but a constant tone; these aren't much use to you.  Here's
what you can use working loops for:  billing phone calls!  First, call
the end that gives the loud tone.  Then if the operator or someone
calls the other end, the tone will go quiet.  Act like the phone just
rang and you answered it ... say "Hello", "Allo", "Chow", "Yo", or
what the fuck ever.  The operator thinks that she just called you, and
that's it!  Now the phone bill will go to the loop, and your local
RBOC will get the bill!  Use this technique in moderation, or the loop
may go down.  Loops are probably most useful when you want to talk to
someone to whom you don't want to give your phone number.


---------------------------------------------------------------------------

C-15. What is a loop in my area?

Many (if not most) of these loops are no longer functional.  If you are
local to any of these loops, please try them out an e-mail me the
results of your research.

  NPA    High      Low
  ---  --------  --------
  201  666-9929  666-9930
  208  862-9996  862-9997
  213  365-1118  365-1119
  308  357-0004  357-0005
  310  455-0002  455-????
  310  546-0002  546-????
  312  262-9902  262-9903 (Editors note: Very odd sound)
  313  224-9996  224-9997
  313  225-9996  225-9997
  313  234-9996  234-9997
  313  237-9996  237-9997
  313  256-9996  256-9997
  313  272-9996  272-9997
  313  273-9996  273-9997
  313  277-9996  277-9997
  313  281-9996  281-9997
  313  292-9996  292-9997
  313  299-9996  299-9997
  313  321-9996  321-9997
  313  326-9996  326-9997
  313  356-9996  356-9997
  313  362-9996  362-9997
  313  369-9996  369-9997
  313  388-9996  388-9997
  313  397-9996  397-9997
  313  399-9996  399-9997
  313  445-9996  445-9997
  313  465-9996  465-9997
  313  471-9996  471-9997
  313  474-9996  474-9997
  313  477-9996  477-9997
  313  478-9996  478-9997
  313  483-9996  483-9997
  313  497-9996  497-9997
  313  526-9996  526-9997
  313  552-9996  552-9997
  313  556-9996  556-9997
  313  561-9996  561-9997
  313  569-9996  569-9996
  313  575-9996  575-9997
  313  577-9996  577-9997
  313  585-9996  585-9997
  313  591-9996  591-9997
  313  621-9996  621-9997
  313  626-9996  626-9997
  313  644-9996  644-9997
  313  646-9996  646-9997
  313  647-9996  647-9997
  313  649-9996  649-9997
  313  663-9996  663-9997
  313  665-9996  665-9997
  313  683-9996  683-9997
  313  721-9996  721-9997
  313  722-9996  722-9997
  313  728-9996  728-9997
  313  731-9996  731-9997
  313  751-9996  751-9997
  313  776-9996  776-9997
  313  781-9996  781-9997
  313  787-9996  787-9997
  313  822-9996  822-9997
  313  833-9996  833-9997
  313  851-9996  851-9997
  313  871-9996  871-9997
  313  875-9996  875-9997
  313  886-9996  886-9997
  313  888-9996  888-9997
  313  898-9996  898-9997
  313  934-9996  934-9997
  313  942-9996  942-9997
  313  963-9996  963-9997
  313  977-9996  977-9997
  315  673-9995  673-9996
  315  695-9995  695-9996
  406  225-9902  225-9903
  408  238-0044  238-0045
  408  773-0044  773-0045
N 501  753-4291  753-4297
  517  422-9996  422-9997
  517  423-9996  423-9997
  517  563-9996  563-9997
  517  663-9996  663-????
  517  851-9996  851-9997
  613  966-1111
N 703  591-9994
  713  342-1499  342-1799
  713  351-1499  351-1799
  713  354-1499  354-1799
  713  356-1499  356-1799
  713  442-1499  442-1799
  713  447-1499  447-1799
  713  455-1499  455-1799
  713  458-1499  458-1799
  713  462-1499  462-1799
  713  466-1499  466-1799
  713  468-1499  468-1799
  713  469-1499  469-1799
  713  471-1499  471-1799
  713  481-1499  481-1799
  713  482-1499  482-1799
  713  484-1499  484-1799
  713  487-1499  487-1799
  713  489-1499  489-1799
  713  492-1499  492-1799
  713  493-1499  493-1799
  713  524-1499  524-1799
  713  526-1499  526-1799
  713  555-1499  555-1799
  713  661-1499  661-1799
  713  664-1499  664-1799
  713  665-1499  665-1799
  713  666-1499  666-1799
  713  667-1499  667-1799
  713  682-1499  976-1799
  713  771-1499  771-1799
  713  780-1499  780-1799
  713  781-1499  997-1799
  713  960-1499  960-1799
  713  977-1499  977-1799
  713  988-1499  988-1799
  719  598-0009  598-0010
  805  528-0044  528-0045
  805  544-0044  544-0045
  805  773-0044  773-0045
  808  235-9907  235-9908
  808  239-9907  239-9908
  808  245-9907  245-9908
  808  247-9907  247-9908
  808  261-9907  261-9908
  808  322-9907  322-9908
  808  328-9907  328-9908
  808  329-9907  329-9908
  808  332-9907  332-9908
  808  335-9907  335-9908
  808  572-9907  572-9908
  808  623-9907  623-9908
  808  624-9907  624-9908
  808  668-9907  668-9908
  808  742-9907  742-9908
  808  879-9907  879-9908
  808  882-9907  882-9908
  808  885-9907  885-9908
  808  959-9907  959-9908
  808  961-9907  961-9908
  810  362-9996  362-9997
  813  385-9971  385-xxxx
  847  724-9951  724-????
  908  254-9929  254-9930
  908  558-9929  558-9930
  908  560-9929  560-9930
  908  776-9930  776-9930
N 916  221-0044  221-0045       // Voice filtered
N 916  222-0044  222-0045       // Voice filtered


SECTION C CONTINUED

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