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admin | Category: Trace A Phone Number | 29.01.2014
Step 9 That's it!Your mobile phone number is now associated with your Google Voice account. WarningsYour service plan will be terminated when you port your number to Google Voice and your carrier may charge you an early termination fee.Google Voice is not a mobile phone service provider.
HOW-TO GEEK BOOKSRead our first book, the HTG Guide to Windows 8, or check our upcoming books.
Enter your email below to get exclusive access to our best articles and tips before everybody else. If you’re on a phone that already has the latest version of Android (Marshmallow), then we have good news: call blocking is just a few taps away. The good news is that accessing the call block list is basically the same on every device, though the menus may be named slightly different things—for example, on stock Nexus devices, you tap the three-dot overflow button to access the dialer’s menu, where you’ll tap “more” on Samsung phones to get to the same place. So, with that in mind, go ahead and jump into the dailer (or the “phone app” as it’s often referred to). If you’re on an older version of Android that doesn’t have automatic call blocking, there’s another option: automatically send calls to voicemail. Since Google decided that it makes sense to have two apps that can handle contacts (the dialer and Contacts app), there are two different ways to get this done. The biggest difference between this option and auto-block is that it’s universal for the contact.
The result here is identical to the blocking feature: no call, no notification (unless they leave a voicemail, of course).
If you’re looking for what’s arguably the smartest ways to block calls on your Android phone, look not further than Mr.
In the Settings menu, there’s a section titled “Call Blocking.” That’s what you’re looking for. In this menu, you can choose to block specific numbers, or toggle the aforementioned categories. Alternatively, you can just tap the “Numbers on my block list” option to add specific numbers. When someone on your block list tries to call (regardless of you entered the number manually or it’s part of the auto-blocking feature), the phone will ring for about half a second or so before Mr.
If you’re a Google Voice user, you have the ability to block calls from your Google Voice settings. Just log in to your Google Voice account online, locate the recent caller you want to block, click the More link, and select Block caller. Android doesn’t have a completely integrated blocking solution, and carriers don’t generally offer this basic service for free.
And it is so amazing that a non-touch Java-powered state-of-the-2006-art Samsung Corby Mate has this.
There is also another third party call and sms blocker on the google store called 'AntiNuisance'.
I used Chris's strategy of creating contact for telemarketers (I label them all "Nuisance") and giving them a silent ringtone. Cameron Summerson is a self-made geek, Android enthusiast, horror movie fanatic, metalhead, and cyclist.
DID YOU KNOW?The Queen of England has no passport; all British passports are issued in her name so she is, essentially, a living passport and simply identifies herself as the Queen when traveling.
Disclaimer: Most of the pages on the internet include affiliate links, including some on this site. When you buy a USB charger, how do you know if you're getting a safe, high-quality charger for your money?
The Apple iPad power adapter is substantially larger[3] than the iPhone charger but provides twice the power. Next is a counterfeit iPhone charger, which appears identical to the real thing but only costs a couple dollars. The quick summary is that phone manufacturers provide pretty good chargers, the aftermarket chargers are worse, and $2 counterfeit chargers are pretty much junk. These chargers cram a lot of complex circuitry into a small package, as you can see from the iPhone charger below. The small size makes it challenging to make an efficient, high-quality charger, while the commoditization of chargers and the demand for low prices pressure manufacturers to make the circuit as simple as possible and exclude expensive components, even if the power quality is worse. Internally a charger is an amazingly compact switching power supply that efficiently converts line AC into 5 volt DC output. There are many different charger types, but only a few are used in the chargers I examined.
However, some manufacturers (such as Apple, Sony, and HP) don't follow the USB standard but implement their own proprietary charger types.
The point is that USB chargers are not interchangeable, and devices may not work if the charger type doesn't match what the device expects. The types of the counterfeit chargers are a mess, as they advertise one power level, actually supply a different power level, and have the charger type for a third level.
People often wonder how much power their charger is wasting while it's idle, and if they should unplug their charger when not in use. I also measured efficiency of the chargers under load.[11] One of the benefits of switching power supplies over simpler linear supplies is they are much more efficient at converting the input power to output. The above photo shows a real iPhone charger (left) and a counterfeit (right); the two chargers are almost identical, down to the green dot.
I call this charger the Samsung oblong charger, to distinguish it from the Samsung cube charger. The above photo shows a real iPad charger on the left and a fake iPad charger on the right, with the plug removed.
The HP TouchPad charger has a very unusual cylindrical shape, which is striking if perhaps not practical. The Monoprice charger isn't a USB charger, but instead has a 30-pin iPhone dock connector attached. The Belkin charger eschews the minimal design styling of most chargers, with a roughly oval cross section, curves and ribs, and a cover over the USB port.
Each charger has an advertised power output, but some chargers produce considerably more and some produce much less.
The counterfeit chargers perform extremely poorly, putting out a fraction of the expected power. The following oscilloscope traces show the output signal (yellow) and frequency spectrum (orange).
The plots also show the frequency spectrum in orange, from 0 at the left to 230 kHz at the right.
The ripple is clearly visible as the waves in the yellow trace on the left and as the spikes (at 120 Hz and 240 Hz) in the orange trace on the right.
The iPhone charger performs extremely well at filtering out spikes and noise, the best of the chargers I measured. The iPad charger almost eliminates the ripple; only a small blip is visible in the orange spectrum on the right. The output from this charger is very noisy, as you can see from the thickness of the yellow line. Note that the frequency spectrum (left) has very tall but narrow spikes at harmonics of the 28kHz switching frequency, showing a lot of high-frequency noise. This counterfeit charger has so much noise in the output that I had to double the scale on the left to get it to fit.
The KMS charger has fairly good output, with a small peak in the spectrum (orange, left) at the switching frequency.


In this section I look at the voltage and current output by the charger as the load increases.
The graphs in this section need a bit of explanation, which is provided in the diagram below. Each point on the curve shows the current (X axis) and voltage (Y axis) produced by the charger under a particular load condition.
Follow the yellow curve clockwise from the upper left to the lower left to see the effect of increasing load. The upper left point of the curve shows the voltage produced by the charger when there is no load on the charger. At the lower right, the charger has reached its shutdown point due to excessive load, and rapidly drops to no output in the lower left corner to avoid damage.
Note that because this charger has a high current output, this chart has a different current (horizontal) scale than most of the charts to fit the whole trace in the image. For this charger, the voltage is approximately flat, except for a bump under no load (upper left) which is probably a measurement artifact. This counterfeit charger shows extremely poor regulation, as shown by the very wide yellow line. The Monoprice charger shows reasonably straight voltage and current lines showing good constant voltage and current outputs. For this charger, the upper line doesn't get very far, showing that this charger doesn't output much current.
The output of this counterfeit charger is so poorly regulated that it's hard to tell exactly what's happening with the voltage and current. My previous iPhone charger and fake charger teardowns were surprisingly popular, but if you were hoping for teardowns on the full set of chargers, you'll need to wait for a future blog post. The above $2 charger is notable for its low-profile design; it's about as thin as you can make a charger and still fit the power prongs and the USB port.
Finally, the above pictures show the internals of the Samsung cube charger, which has circuit boards packed with tiny components and is much more advanced than the counterfeits (although slightly less complex than the Apple charger).
The introduction of the microprocessor, a single chip with all the circuitry that formerly occupied large cabinets, led to the proliferation of personal computers after 1975.
Now you can! On Wednesday, January 19th, Google Voice began allowing select users to transfer their personal numbers to Google Voice for a one-time fee of $20. Even if the answer is “once,” that directly translates to “too many times.” It’s scammy, annoying, and downright rude. There are actually a few different ways to go about blocking numbers on Android, and we’re going to talk about a few of the easiest ones today. This is a long-requested feature that Google finally brought to the table starting with Android 6.0. Once there, tap the three-dot menu in the top-right (again, on Samsung phones it reads “more”). This method also works on stock devices running Marshmallow, if you’d prefer not to block calls entirely, but it’s not available on new Samsung phones like the S7 or S7 Edge. Regardless of which app you’d rather use, the first thing you’ll need to do is navigate to the contact you want to ignore, then edit their entry in your address book. So if you have two numbers listed for the same person, it will send both of them to voicemail; with the blocking feature, you can just block one but allow the other to get through. There are actually several automated options here: Scam or Fraud, Suspected Spam, Hidden numbers, International Numbers, and Not in my Contacts. Google Voice will play a message saying the number has been disconnected, so this may even fool telemarketers and other annoying callers into removing you from their spam lists. Fraudulent calls can be scary—oftentimes they sound really official, which can lead unknowing users to actually turn over personal data (or worse!).
When he's not pounding keys on the 'net, you can find him spending time with his wife and kids, chugging away on the 6-string, spinning on the streets, or watching The Texas Chainsaw Massacre. The overall rating below is the average of the ratings in nine different categories, based on my measurements of efficiency, power stability, power quality, and power output. Much to my surprise, the HP TouchPad charger (which isn't sold any more) turned out to have the best overall score. The result is a wide variation in the quality of the chargers, most of which is invisible to the user, who may believe "a charger is a charger". If the output voltage is not filtered well, there will be noise and spikes due to the high-frequency switching. You can buy a charger that looks just like an Apple charger for about $2, but the charger is nothing like an Apple charger internally.
Surprisingly, the counterfeit chargers I've examined all use different circuitry internally.
The safety issues with counterfeits are not just theoretical; when hundreds of volts short out, the results can be spectacular. The table below shows the type of charger, the current that the label claims the charger provides, the current it actually provides, and the charger type it indicates to the device.
I measured this "vampire" power usage and found the chargers varied by more than a factor of 20 in their idle power usage.
If you look closely, the genuine one says "Designed by Apple in California", while the counterfeit has the puzzling text "Designed by California". The most visible difference is the real charger has a round metal grounding post, while the fake has plastic.
They've removed Apple from the text, but left Emerson Network Power, which I'm sure is not the actual manufacturer.
The back of it has a holographic sticker (like a credit card), which may ward off counterfeiters, even though it's unlikely for anyone to counterfeit this charger. The left (high frequency) spectrum generally shows noise at the switching frequency of the charger (and harmonics).
The frequency spectrum shows wide peaks at multiples of the the switching frequency, about 90kHz.
In order to fit the waveform in the display, I had to double the scale on the left and increase it by a factor of 5 on the right, so the yellow curve is actually much worse than it appears. The large degree of ripple is visible in the waveform (yellow, left) and the very large spikes in the spectrum (orange, right). The counterfeit chargers are uniformly bad, with hardly any effort at filtering the output. The first rating is Voltage Sag, which is the undesired drop in output voltage as the load increases. As the load increases, the charger is supposed to keep a constant voltage and increase the current (i.e.
As the load increases, the current keeps increasing, resulting in the slope of the right yellow line.
Since the designers of the Apple charger went to a great deal of effort to build a high quality charger, I conclude they must not consider voltage sag worth worrying about. The vertical line shows some width and noise, suggesting the regulation isn't totally stable. My suspicion is that it was only tested with 240 volts so it performs poorly with 120 volts, even though the label says it takes 100 to 240 volts. In addition, the output is all over the place, showing very poor regulation, more like what I'd expect from a counterfeit charger. First, make sure the charger will work with your phone - for instance, newer iPhones only work with certain chargers.
I haven't torn the chargers apart yet; if I need to take more measurements, I don't want to have just a pile of parts.


Despite being very similar to the Apple charger on the outside, the Samsung charger uses an entirely different design and circuitry internally.
For computers generally referred to as PCs, see IBM Personal Computer and IBM PC compatible.
Though the feature is still in limited release, Google has stated that they intend to make the feature available to all Google Voice users "in the near future." Terrific, right? On the other line, a robotic voice says: “We have important information regarding your credit accounts.
You can also choose a contact here, assuming you’ve saved the number of the annoying caller.
This is an incredibly full-featured app, but we’re just going to focus on its call-blocking capabilities. You can choose from a few different options: a number, a contact, numbers that begin with specific digits, or recent calls or texts.
Once it does, however, it’ll send the caller to voicemail and leave a notification letting you know that it blocked a number.
Some carriers may help you block calls if you contact them, some may direct you to their paid services, and some may say it isn’t possible. Fortunately, there are solutions across the board—whether you want to keep spammers at bay or block your ex from blowing your phone up (metaphorically, not literally; unfortunately there’s not an app for that).
The counterfeit iPhone charger set a new low for bad quality, strikingly worse than the other two counterfeits.
The DC is chopped up tens of thousands of times a second and fed into a tiny flyback transformer.
On the other hand, the counterfeit iPad charger claims to supply 2 amps, but really only supplies 1 amp and has a 1A type. The Samsung oblong charger came in best, using just 19 mW; this was so low compared to the other chargers that I measured it again a different way to make sure I hadn't made an error. The genuine Apple UK charger can be distinguished by a serial number inside the USB connector. The plug can be removed and replaced for use in different countries, similar to the iPad and HP TouchPad chargers. I wonder though why Apple doesn't use holograms or other anti-counterfeiting techniques, given the large number of counterfeit Apple chargers being sold.
This table shows each charger's ability to deliver the rated power, based on my measurements of maximum power. First, any ripple from the power line will show up as 5 sinusoidal peaks in the first (high-frequency) yellow line.
The orange frequency spectrum on the left shows large peaks at harmonics of the switching frequency.
The spectrum (orange, left) is much higher everywhere, indicating noise at all frequencies.
However, it has many large voltage spikes in the output, over half a volt, as can be seen on the right. The other chargers vary in quality with the iPhone charger setting the standard for noise-free power, but surprisingly poor filtering of ripple. The second rating is Current Sag, which shows how the current fluctuates as load increases.
Note however that the yellow line is relatively thin, so the regulation is pretty good at each point. Second, don't buy a counterfeit charger; the price is great, but it's not worth risking your expensive device or your safety. This charger blatantly tries to pass as a genuine Apple charger; unlike the "Designed by California" charger, this one exactly copies the "Designed by Apple in California" text from the real charger. Like the previous charger, it uses a very simple circuit,[4] has little filtering, and almost no safety insulation. One interesting design feature is the filter capacitors fit through the cut-out holes in the secondary circuit board, allowing the large filter capacitors to fit in the charger. Not entirely! Transferring an existing mobile number effectively ends your contract with your mobile service provider. This raises the question: if someone calls and the phone doesn’t ring, did they ever really call at all? Once you get in on the block action, though, you should definitely explore the app a bit more. You can then tap the notification to read more information about the number, including comments left by other users as to what the nature of the call was. This all varies from carrier to carrier, so you’ll need to check your carrier’s website, or call them and ask what services they offer. The output of the transformer is converted to low-voltage DC, filtered, and provided as the 5 volt output through the USB port.
You can also weigh the charger (if you have an accurate scale), and compare with the weights I give above.
I couldn't find any UL safety approval on this charger, but I did find a report of one catching fire. The 120 Hz spike on the right is a bit lower than the iPhone charger, so the ripple filtering is a bit better.
Surprisingly, it has only a moderate amount of ripple; the manufacturer seems to have done at least one thing right. If the load continues increasing, the charger switches to a constant current mode, dropping the voltage while continuing to provide the maximum current (i.e. The yellow line is a bit wider than the iPhone charger, showing a bit less regulation for a fixed load. Beyond that, it's your decision on how much quality is worth versus price, and I hope the data here helps you make a decision. Note the very simple circuitry[4] - there are no components on the other side of the board, no controller IC, and very little filtering. Since chargers have hundreds of volts internally, there's a big risk if a charger doesn't have proper insulation. Also look at the terrible mounting of the transistor on the front right; clearly the build quality of this charger is poor.
You're putting your phone, and more importantly yourself, at risk if you use one of these chargers. Finally, note the overall lack of insulation; this charger wouldn't meet UL safety standards and could easily short out.
Not until you've signed up for yet another cell plan, gotten yet another set of ten digits and set up call forwarding online.
These things may or may not be a big deal to you, of course.Still interested in porting your telephone number? Want to find out if you're among the Randomly-Selected Elect who even can make the transfer at this point in time? This is the 31st edition of this directory and it lists a total of 1,380 auto racing facilities.



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