Pocket dialing

Pocket dialing (also known as pocket calling or butt dialing) refers to the accidental placement of a phone call while a person's mobile phone or cordless phone is in the owner's pocket or handbag. The recipient of the call typically hears random background noise when answering the phone. If the caller remains unaware, the recipient will sometimes overhear whatever is happening in the caller's vicinity. A pocket-dialed call can continue for many minutes, or until the recipient's voice mail system ends the call.

Etymology

The word ‘’pocket dial’’ has been officially recognized in the Oxford English Dictionary since August 2015. [1] [2]

Causes

Modern cell/mobile phones come in three configurations: "flip" phones, where the phone is physically closed rendering the keys inaccessible, touch phones where a finger or stylus is required to use the controls, and open phones, where keys or buttons are always exposed. Pocket dialing primarily occurs with touch phones and open phones.

Typically, a call is caused by the person's movement changing the shape of the pocket in a person's clothing in such a way that a small amount of pressure is applied to some of the buttons, or in the case of a touch screen phone, a call can also be caused by the screen of the phone facing the person's body and a small amount of perspiration creating sufficient conduction through their clothing such that the capacitive touch screen detects their clothing as if it were a touch from the user's finger.

The keypad lock feature found on most mobile phones is intended to help prevent accidental dialing, but is often so trivial that the keypad is easily pocket-unlocked. Sometimes the unlock sequence requires nothing more than pressing a button and then applying a random swiping motion to the screen, or in the case of some keypad phones, it sometimes requires nothing more than holding a particular key for several seconds. To make matters worse, most phones respond to more complex lock settings, such as requiring a passcode to unlock the phone, by making the pocket dialing of emergency services even easier. On most keypad phones, one can dial emergency services simply by ignoring the fact that the phone is locked, dialing the number, and pressing "send." On touch screen phones, passcode screens often include a single button that, when touched for just a few seconds, will dial emergency services. The result is that it is often preferable to disable the passcode, since while doing so increases the likelihood of pocket dialing family and friends, it decreases the likelihood of pocket dialing emergency services, which is preferable as the consequences of pocket dialing emergency services are usually much more severe.

Consequences

In addition to the inconvenience and embarrassment that may result from an erroneously dialed number, the phenomenon can have other consequences including using up a phone user's airtime minutes.[3]

Accidental calls are often cited as being one of the more annoying consequences of cell phone usage.[4][5] Given the haphazard nature of inadvertent dialing, most actual misconnections do not result from the selection of random numbers. Instead, pocket dialing frequently triggers the "recently dialed" and "contact" lists that are contained within modern cell phones. The caller is frequently unaware that the call has taken place, whereas the recipient of the call often hears background conversation and background noises such as the rustling of clothes. Due to the dialing of common numbers, the recipient is likely to know the caller, and may overhear conversations that the caller would not want them to hear.

Accidental calls, if not hung up immediately, tie up the recipient's phone line. If this is a landline, the recipient may not be able to disconnect the call in order to use the phone.

Revealing crime plans

An Arkansas man, who allegedly hatched an elaborate plan to murder a former employee, was arrested after he reportedly pocket dialed the victim and revealed the plot.[6]

Investigator Joseph Morgan, a law enforcement officer with the Nevada Taxicab Authority which regulates the taxicabs in Clark County, Nevada is being prosecuted by the Nevada Attorney General's Office for leaking the contents of a pocket dial. Nevada Taxicab Authority Chief Investigator Ruben V. Aquino, Jr. pocket dialed Morgan. Aquino was then heard inappropriately discussing information relating to a confidential internal investigation. Aquino and another Investigator, Antoine "Chris" Rivers, then further discussed how the taxicab companies in Las Vegas control the day-to-day operations of the Nevada Taxicab Authority. Aquino also criticized Morgan for being proactive in his duty performance. Morgan, acting as a whistleblower, leaked the information to Nevada Governor Brian Sandoval, Nevada Attorney General Catherine Cortez-Masto, members of the Nevada Legislature and the media. Instead of investigating the Nevada Taxicab Authority for corruption, Morgan is being prosecuted for leaking this information. This might be the first and only occurrence of an individual being prosecuted for listening to or leaking the contents of a pocket dial.[7]

Accidental calling of emergency services

Operators of emergency services telephone numbers, such as 911 and 999, report receiving many false alarms that are likely a result of pocket dialing. These nuisance calls can result in a drain on operators' time, particularly during summer months,[8] which is possibly due to an increase in roller coaster ridership.[8] As many as 50% of emergency calls may be accidental calls.[9] On many older phones in the United States, pushing and holding down the number '9' key will cause the phone to automatically dial 911. In many regions, the operators must spend time and resources to determine whether the call is real or accidental.[10] The phone calls often sound similar to the sorts of struggles people have while being involved in an actual emergency.[9]

Many mobile phones will allow dialing the emergency number even when the keypad is locked, which poses a particular problem if the number is easy to dial accidentally (e.g.: 999, 000). On some phones, while the keypad is locked or the phone is protected by a password, dialing the emergency number will be mapped to a soft key and shown on the display, generally requiring only two button presses to dial. This problem is often exacerbated by soft keys and "OK" or "Accept" buttons generally being located near each other physically. Ironically, phones with these characteristics may be significantly more prone to pocket dialing of emergency services when they are locked.

Accidental emergency calls are even more likely if the user has programmed the emergency number into the phone's contacts or speed dial.[11]

Solutions

Apps to prevent pocket dialing exist for smartphones. Several are available for Android-based phones such as Call Confirm. The app AskToCall is available for Apple's iPhone, but the recipient device must first be jailbroken. There is also an application which should completely prevent the unwanted behavior and is called Smart Pocket Guard.

Marketing usage

A mobile phone advertising campaign by T-Mobile[12] has touted their phones' resistance to inadvertent pocket dialing as being an advantage of certain flip phone models—specifically the Blackberry Pearl Flip.

References

  1. ↑ "New words in oxforddictionaries". Retrieved 28 August 2015.
  2. ↑ "Manspreading, hangry, Grexit join Oxford online dictionary". Reuters. 27 Aug 2015.
  3. ↑ Mathias, Craig (June 27, 2007), "Mobile form factors: Handhelds", SearchMobileComputing.com
  4. ↑ Radlin, David (August 2, 2009), "Reasons why cell phones are headaches", Pittsburgh Post-Gazette
  5. ↑ Haskin, David (June 22, 2007), ""Butt dialing" and the nine new deadly sins of cell phone use", Computerworld
  6. ↑ "Murder Plot Derailed By Butt Dial, Police Say". the Huffington Post. November 26, 2013.
  7. ↑ Knapp, George (Feb 21, 2014). "I-Team: Call Gives Merit to Allegations Against Taxicab Authority". KLAS-TV Las Vegas.
  8. 1 2 London, John (March 4, 2009), "Butt Dialing Among 911 Nuisance Calls", WLWT.com, archived from the original on July 16, 2011
  9. 1 2 Reid J. Epstein, "Cell calls to 911 often made in error" Milwaukee Journal Sentinel, Feb. 22, 2004
  10. ↑ FCC Consumer Advisory, November 29, 2006
  11. ↑ King County Press Release, "Sims asks for help to prevent accidental wireless 9-1-1 calls" April 7, 2003
  12. ↑ Dispatch Magazine Online Archived May 1, 2009, at the Wayback Machine.
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