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Topic: Audible ringing tone

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	Telephone ringing circuits
		Ringing tone is the ringing that can be heard while the receiver is on-hook and somebody tries to call you.
		Ring detector must work on ring signal which is 44-58V DC summed with 25+-3Hz AC ring signal in voltage range 35-75 V. The feeding resistance for ring generator is 800-1710 Hz.
		Ring detector must not detect ring signal which is 44-58V DC summed with 20-3400 Hz AC ring signal which is less than 10 V. The feeding resistance for ring generator is 800-1710 Hz.
	www.epanorama.net /documents/telecom/telephone_ringer.html (3156 words)

	Voice Systems Tones (Library of Congress) (Site not responding. Last check: 2007-10-13)
		Ringing Tones-those that are generated in the base of the telephone station and can be heard in the surrounding area; they indicate incoming calls.
		Ringing tones are the tones heard outside the telephone station when it is receiving a call.
		Ringback Tone, Call Waiting-(a ringback tone with a short lower-pitched signal at the end) indicates to the calling party that the extension called is busy, but that the called party has been given the call waiting signal.
	www.loc.gov /phones/tones.html (540 words)

	Ringback tone - Wikipedia, the free encyclopedia
		The ringback tone is different in various countries depending on the requirements for the ringback specification in those countries.
		ring..." sound, caused by the 40Hz beat between the two.
		It is generally started and stopped at the same rate as the ringing signal itself but perhaps out of phase.
	en.wikipedia.org /wiki/Ringback_tone (506 words)

	Tone Test Sets/Inductive Speaker Probes - HomeTech Solutions
		The Leviton tone test set is used in low voltage wire applications such as telephone and data, HVAC systems, and security or fire alarm wiring to perform a variety of functions.
		As a tone generator, a toner can be connected across a wire pair to transmit either a continuous 1000 Hz tone or an alternating 500/1000 Hz tone; with the use of the Speaker Probe (below), you can quickly and easily trace pairs and locate broken pairs/cables in walls.
		This unit has several enhanced features: "O" ring seals on the case and test leads for water resistance, and a unit support leash is attached to the case to prevent straining the test leads when hanging the unit from a 66-block or jack wile tracing the tone.
	www.hometech.com /tools/tone.html (660 words)

	Ringtones ericsson - Free Ringtones (Site not responding. Last check: 2007-10-13)
		3120 3155 3200, warbling "ring ring" imate kyocera Ringtones ericsson palmone.
		To create their customers the standard Ringtones ericsson signal is. Ringing Polyphonic ring tones tone Ringtones ericsson ivr user, the telephone lineby the.
		T5100 Polyphonic ring tones audiovox Ringtones ericsson this practice does, sghd520 sghd600 sghd720, mobile operators have.
	art.stanford.edu /newsImages/arts/15/Ringtones-ericsson.html (1509 words)

	Survey of Telephone Switching - Chapter 12
		The ringing load is divided into parts, usually three, each of which in turn is connected to the a-c plus d-c supply by interrupter contacts which close in sequence.
		This plan, called machine ringing, not only enables the supply to handle three times the load but also serves to signal the desired party on non-selective lines by means of different combinations of "rings".
		Tones are also derived from 60 cycle power by other static type generators which use saturable transformers and tuned filters to select 60 cycle harmonics; 540 cycles for high tone and 600 modulated by 120 cycles for low tone.
	www.telephonetribute.com /switches_survey_chapter_12.html (5074 words)

	Latest ringtones - Free Ringtones (Site not responding. Last check: 2007-10-13)
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	art.stanford.edu /newsImages/arts/15/Latest-ringtones.html (1557 words)

	aesthesis: April 2004 Archives
		Art was used to create a kind of Christian hieroglyphic system that would make the stories of the bible accessible to a largely illiterate populous.
		Things I'm hoping to discuss in the future are: the definition and function of art, purpose of beauty in art, the purpose of art as it relates to the church, and principles of art drawn from the Bible.
		Jason received a BA in art in 2001 and is pursuing an MA in art as it relates to the theater.
	aesthesis.atlblogs.com /archives/2004_04.html (4588 words)

	Old phone ring tone - Free Ringtones
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		Tone Old phone ring tone ringback signal is heard on the european.
	aejes.com /to/3/Old-phone-ring-tone.html (1366 words)

	FCC CALEA Decision (8/31/99)
		Dual tone multi-frequency (DTMF) signals generated by a subject that must be processed at the IAP also are reasonably available to the carrier; however, some DTMF signals generated by the subject are post-cut-through digits and are addressed separately in this order.
		As with the case of surveillance status messages, we believe that continuity tone could assist the LEA in determining the status of a wiretap, but that this technical requirement is not necessary to meet the mandates of section 103(a).
		Similar to surveillance status messages and continuity tones, we believe that feature status messages could be useful to a LEA, but that provision of these messages from a carrier to a LEA is not required to meet the mandates of section 103(a).
	www.epic.org /privacy/wiretap/calea/fcc_calea_decision_8_99.html (18219 words)

	aesthesis: Google and the Meaning of Everything
		epregnancy.com for instance defined art as “All treatments or procedures that involve the handling of human eggs and sperm for the purpose of establishing a pregnancy.
		In printing for instance art can be “Any photograph, map or illustration used in preparing a job for printing.” (imcprint.com) or “All illustrations used in preparing a job for printing” (nap.edu).
		Art can never be reduced to psychopathology because visionary art is greater than its creator and draws on primordial images and forces.
	aesthesis.atlblogs.com /archives/001023.html (966 words)

	Glossary of Telecommunication Terms
		A single tone interrupted at a 120 ipm (impulses per minute) rate to indicate all lines or trunks in a routing group are busy.
		A single tone that is interrupted at 60 ipm (impulses per minute) to indicate that the terminal point of a call is already in use.
		The tone is on in the idle condition, pulsed for dialing, and off when the circuit is in use.
	www.globaltele.com /telecomglossary.htm (6619 words)

	Technical
		Audible Illusions was also one of the first audio companies to incorporate automatically muting turn-on safety circuits which prohibits a tube preamp's dc voltage surges from damaging audio circuits in case of AC power failure.
		Audible Illusions is most aware of the fact that audio tubes are fragile devices and do not take kindly to rough handling, especially in shipping.
		Audible Illusions Class AB amplifiers are also biased to insure that neither complimentary pair of output devices are turned off.
	www.audibleillusions.com /tech.htm (4619 words)

	Instructions on Using AT&T G3 Features
		Dial Tone is the sound we hear when the telephone is ready for use.
		Dial Tone may be slower in coming to your line at certain times, so it is very important to ensure you have clear Dial Tone before placing a call or to activate certain features.
		The Siren Tone could mean that an extension is not working, i.e., has been disconnected or is under some type of controlled restriction.
	darkwing.uoregon.edu /~telcom/Features-Special-Tones.htm (354 words)

	Tone Generators & Probes
		AINES tone generators are the top choice of RBOC's (telephone companies) around the nation.
		This is one of the strongest tone generators that you'll find on the market.
		When used in conjunction with AINES tone generators it will be possible to trace and identify wires that are buried inside walls and underground (depth of bury may impact performance).
	www.lanshack.com /kit-toner-probe.htm (732 words)

	Voice and data exchange over a packet based network with fax relay spoofing - United States Patent 6,504,838
		The packet tone exchange could also play ringing tone back to the near end telephony device (when a far end telephony device is being rung), and a busy tone if the far end telephony device is unavailable.
		The tone generator 104 overwrites the media queue 106 to prevent leakage through the voice path and to ensure that the DTMF tones are not too noisy.
		The call progress tone generator 105 overwrites the media queue 106 to prevent leakage through the voice path and to ensure that the call progress tones are not too noisy.
	xrint.com /patents/us/6504838 (18124 words)

	Telephone User's Guide: Part I. Introduction (Site not responding. Last check: 2007-10-13)
		This tone is heard through the receiver while you are talking on the phone.
		Low tone bursts at twice the normal busy tone rate, indicating that all paths to the equipment serving the called party are busy.
		Dial Tone: A constant high pitched tone (a mixture of 350 and 440 Hz) indicating that the system is ready to process your call.
	www.utexas.edu /its/telephone/phoneguide/pg1.html (1344 words)

	Voice networks, Voice Over IP, IP Telephony
		Also an audible ringing tone is sent to the caller telephone to indicate that the call is progressing.
		This tone takes the form of a pattern called Cadence In Europe this Cadence takes the form of a double ring (duration of 0.4s separated by 0.2s) followed by two seconds of silence, whereas in the US it takes the form of two seconds of ring followed by four seconds of silence.
		When a key is pressed two tones are sent to the telephone company a low frequency tone and a high frequency tone which identify the key being pressed in much the same way X and Y co-ordinates identify a point on a graph.
	www.rhyshaden.com /voice.htm (18019 words)

	ringback - a Whatis.com definition
		Ringback is an intermittent audio tone that a caller in a telephone system hears after dialing a number, when the distant end of the circuit is receiving a ringing signal.
		Ringback is also known as the audible, the audible ringing tone, the ringback tone, and the ringtone.
		The term ringback is sometimes used in reference to a ringing signal that a caller receives when a delayed automatic-calling system places a call to a distant device.
	whatis.techtarget.com /gDefinition/0,294236,sid44_gci809387,00.html (223 words)

	Privateline.com: Telecommunications Fundamentals, Chapter 1A: Network Fundamentals
		Indicates the status of a call by receiving tones, such as audible ringing, busy tone, or recorded message.
		Together, the tip and ring of the telephone set are commonly referred to as a cable pair.
		The tones produced by the human vocal cords range from about 30 vibrations per second to 20,000 vibrations per second.
	www.privateline.com /manual/oneA.html (1253 words)

	Creating ringtones - Free Ringtones (Site not responding. Last check: 2007-10-13)
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	cityoftoccoa.com /buttons/u/1/Creating-ringtones.html (1043 words)

	[No title]
		This can happen, for example, when the operator hears the ringing tone but does not wait for the called subscriber to reply.
		In the last two cases, release of the outgoing register is made to accompany release of the international circuit by sending the clear-forward signal.
		The method of indicating the above normal conditions to the calling subscriber will depend on the practice followed in the various countries: a tone may be sent or, better, a recorded announcement will ask the caller to recommence his call after hav- ing checked the number to be dialled.
	www.angelfire.com /geek/mytc/texts/ccitt4manual.txt (7315 words)

	Definition: audible ringing tone (Site not responding. Last check: 2007-10-13)
		audible ringing tone: In telephony, a signal, usually consisting of an audio tone interrupted at a slow repetition rate, provided to a caller to indicate that the called-party instrument is being sent a ringing signal.
		Note: The audible ringing tone may be generated by the called-party servicing switch or by the calling-party servicing switch, but it is not generated by the called telephone instrument.
		This HTML version of Telecom Glossary 2K was last generated on Wed May 8 15:36:48 MDT 2002.
	www.its.bldrdoc.gov /projects/devglossary/_audible_ringing_tone.html (81 words)

	[No title]
		AUDIBLE RINGING TONE An audible signal heard by the calling party during the ringing-interval.
		BUSY TONE A single tone that is interrupted at 60 ipm (impulses per minute) to indicate that the terminal point of a call is already in use.
		DIAL TONE A tone indicating that automatic switching equipment is ready to receive dial signals.
	web.textfiles.com /phreak/telecom.txt (7466 words)

	SS7 Telephony Tutorial - ISUP Page 1
		The destination switch examines the dialed number, determines that it serves the called party, and that the line is available for ringing.
		The destination switch rings the called party line and transmits an ISUP address complete message (ACM) to the originating switch (2a) (via its home STP) to indicate that the remote end of the trunk circuit has been reserved.
		The STP routes the ACM to the originating switch (2b), then the terminating switch provides power ringing to the called party and audible ringing tone to the calling party.
	www.pt.com /tutorials/ss7/isup.html (814 words)

	Mini Glossary for NII Users
		(188) Note: The audible ringing tone may be generated by the called-party servicing switch or by the calling-party servicing switch, but it is not generated by the called telephone instrument.
		bridged ringing: The part of a signaling system in which ringers associated with a particular line are connected across that line.
		Any phenomenon by which a signal transmitted on one circuit or channel of a transmission system creates an undesired effect in another circuit or channel.
	www.its.bldrdoc.gov /projects/nii/nii-glos.html (7087 words)

	Cellphone ringtones - Free Ringtones (Site not responding. Last check: 2007-10-13)
		The ringing signal itself Cellphone ringtones they are still high.
		Was ringing when their phone owners Cellphone ringtones with a subscriber.
		To Ringtone converter Cellphone ringtones the audible ringing tone or ivr user.
	www.hookedongolfblog.com /ads/f/15/Cellphone-ringtones.html (1548 words)

	Ringing rocks - Wikipedia, the free encyclopedia
		Ringing Rocks is a phenomenon where rocks have the curious property of resonating like a bell when struck with a hammer or other object.
		Only because the tones interact with each other is a sound high pitched enough to be audible generated.
		It is very hard and durable, takes a beautiful polish and has an almost metallic "ringing" tone when struck with a hammer and chisel.
	en.wikipedia.org /wiki/Ringing_Rocks (309 words)

	Advanced Mobile Phone System (AMPS)
		The mobile response is also repeated, in case the initial response collided with another mobile on the reverse control channel or suffered from bad RF conditions.
		When the mobile receives the traffic channel assignment from the network (the MSC via the base station), it proceeds to that channel and produces an audible ringing tone for the subscriber.
		This tone is filtered by the mobile-it is outside the range of the audible channel-before reaching the subscriber's ear, and is reflected back to the system in-band on the reverse channel.
	www.leapforum.org /published/internetworkMobility/split/node37.html (2843 words)

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