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A corded landline telephone being used to place a call by President Barack Obama

A landline[1] is phone service provided to a subscriber via cable or wire (i.e. metal conductors or optical fiber). The term differentiates a phone service from the now ubiquitous wireless service. A landline allows multiple phones to operate simultaneously on the same phone number. It is also referred to as fixed-line, wireline, telephone line, twisted pair, plain old telephone service (POTS), or public switched telephone network (PSTN).

Landline services are traditionally provided via an analogue copper wire to a telephone exchange. Landline service is usually distinguished from newer services that use Internet Protocol over optical fiber (Fiber-to-the-x), or other broadband services (VDSL/Cable) using Voice over IP. However, sometimes modern services delivered over a wired internet connection are referred to as landline.[2]

A subscriber's telephone connected to a landline can be hard-wired or cordless and typically refers to the operation of phones in relatively-fixed locations such as a home.

Landline service is typically provided through the outside plant of a telephone company's central office, or wire center. The outside plant comprises tiers of cabling between distribution points in the exchange area, so that a single pair of copper wire, or an optical fiber, reaches each subscriber location, such as a home or office, at the network interface. Customer premises wiring extends from the network interface ("NID") to the location of one or more telephones inside the premises. A landline can carry high-speed internet such as digital subscriber line (DSL) which links back to the digital subscriber line access multiplexer (DSLAM) within the central office, T-1/T-3, or ISDN.

Usage and statistics

[edit]

In 2003, the CIA World Factbook reported approximately 1.263 billion main telephone lines worldwide. China had more than any other country, at 350 million, and the United States was second with 268 million. The United Kingdom had 23.7 million residential fixed home phones.[3]

A 2013 International Telecommunication Union report showed that the total number of fixed-telephone subscribers in the world was about 1.26 billion.[4]

In many parts of the world, including Africa and India, the growth in mobile phone usage has outpaced that of landlines. In the United States, while 45.9 percent of households still had landlines as of 2017, more than half had only mobile phones. This trend is similar in Canada, where more than one in five households used mobile phones as their only source for telephone service in 2013. However, voice over IP (VoIP) services offer an alternative to traditional landlines, allowing numbers to remain in use without being tied to a physical location, making them more adaptable to modern ways of working. The FCC maintains both landline and Voice over IP subscriber numbers to monitor long term trends in usage.[5]

Successors

[edit]

By means of porting, voice over IP services can host landline numbers previously hosted on traditional fixed telephone networks. VoIP services can be used anywhere an internet connection is available on many devices including smartphones, giving great flexibility to where calls may be answered and thus facilitating remote, mobile and home working, for example. VoIP porting allows landline numbers to remain in use, whilst freeing them from actual landlines tied to one location. This is useful where landline numbers are believed to be preferred by callers, or where it is preferable that legacy landline numbers remain connected.

2000s

[edit]
Global fixed telephone lines per 100 inhabitants (1997–2007)
Total landline vs. mobile phones in Africa (1998–2008)

In many countries, landline service has not been readily available to most people. In some countries in Africa, the rise in cell phones has outpaced growth in landline service. Between 1998 and 2008, Africa added only 2.4 million landlines.[6] In contrast, between 2000 and 2008, cell phone use rose from fewer than 2 in 100 people to 33 out of 100.[6] There has also been a substantial decline of landline phones in the Indian subcontinent, in urban and even more in rural areas.

In the early 21st century, installations of landline telephones has declined due to the advancement of mobile network technology and the obsolescence of copper wire networking. It is more difficult to install landline copper wires to every user than it is to install transmission towers for mobile service that many people can connect to. Some predict that these metallic networks will be deemed completely out of date and replaced by more efficient broadband and fiber optic landline connections extending to rural areas and places where telecommunication was much more sparse. In 2009, The Economist wrote "At current rates the last landline in America will be disconnected sometime in 2025."[7]

In 2004, only about 45% of people in the United States between the ages of 12 and 17 owned cell phones. At that time, most had to rely on landline telephones. Just 4 years later, that percentage climbed to about 71%. That same year, 2008, about 77% of adults owned a mobile phone.[8]

2010s

[edit]

In the year 2013, 91% of adults in the United States owned a mobile phone. Almost 60% of those with a mobile had a smartphone.[9] A National Health Interview Survey of 19,956 households by the Centers for Disease Control and Prevention released May 4, 2017 showed 45.9% of U.S. households still had landlines, while 50.8% had only cell phones. Over 39% had both.[10]

In Canada, more than one in five of households use cell phones as their only source for telephone service. In 2013, statistics showed that 21% of households claimed to only use cellular phones.[11] Households that are owned by members under the age of 35 have a considerably higher percentage of exclusive cell phone use. In 2013, 60% of young household owners claimed to only use cell phones.[12] In 2019, 54% of Canadian households[13] and 86.4% of German households[14] had a landline telephone.

2020s

[edit]

In June 2020, it was reported that 60% of Australian adults used only mobile phones, with no landline.[15] In 2021, only 14.5% of Australian and 29.4% of American households used landline at home.[16] In contrast, 73% of UK households still had a landline connection in 2020[17] though this could be in part explained by broadband packaging practices.[18] In 2022, 82.9% of German households had at least one landline phone[19] while 73% of U.S. households had only a cell phone, 25% had a landline and cell service, and 1% had only a landline.[20]

As of 2023, Estonia and the Netherlands have retired the legacy parts of the public switched telephone network (PSTN). In the United Kingdom, the analogue copper landline network is due to be terminated in 2027 (delayed from the original 2025 plan). The VoIP replacement is known as "Digital Voice" (on a BT service) in the UK. France, Germany and Japan are also in the process of replacing theirs.[21]

Using primarily 2023 data, the CIA World Factbook reported approximately 849 million landlines worldwide.[22]

See also

[edit]

References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Landline

View on Grokipedia
from Grokipedia
A landline, also referred to as a fixed-line or wireline , is a traditional device and service that connects users to the (PSTN) via physical wiring, typically copper twisted-pair cables or increasingly fiber optics, enabling voice communication between fixed locations without reliance on signals. This setup contrasts with mobile or cellular phones by providing a stable, dedicated connection from the user's premises to a central exchange, where calls are routed through electromechanical or digital switches. Landlines have historically been essential for reliable, high-quality voice transmission, emergency services integration like 911 location accuracy, and integration with other home systems such as machines and modems. The origins of the landline trace back to the in 1876 by , who demonstrated the first intelligible speech transmission over a wire between two locations in . By 1877, the first commercial was established between and , marking the beginning of widespread deployment; subsequent innovations included manual switchboards in 1878 and automatic exchanges by the 1890s, which scaled the network to millions of subscribers globally. Throughout the , landlines formed the backbone of global , with peak adoption in the mid-20th century enabling transcontinental and international calls via undersea cables and microwave relays by the and . At its core, landline technology converts acoustic sound waves from a user's voice into electrical signals using a carbon or in the , which are then transmitted analogously over the wired loop to a local exchange for switching and amplification. Modern landlines often incorporate for and may use voice over (VoIP) over fiber, though traditional (POTS) persists in many areas for its simplicity and resilience during power outages when supported by central office batteries. Key components include the subscriber loop, central office switches, and trunk lines for interconnectivity, ensuring low latency and clarity over distances up to thousands of miles. Despite their foundational role in communication, landline usage has declined sharply with the rise of mobile and internet-based ; as of late 2024, only about 0.9% of U.S. adults lived in landline-only households, down from 1.3% in and higher shares in prior decades, though they remain vital for certain demographics, rural areas, and reliable emergency access. As of late 2024, about 20% of U.S. adults lived in households with both landline and service, reflecting a hybrid transition, while global landline subscriptions continue to shrink in favor of broadband-integrated alternatives, with around 850 million fixed lines worldwide in 2024. This shift underscores landlines' enduring legacy as a precursor to contemporary voice technologies while highlighting challenges like maintenance costs.

History

Invention and Early Development

The invention of the landline telephone emerged from mid-19th-century experiments in electrical transmission of sound, building on earlier telegraphy advancements. In 1849, Italian inventor Antonio Meucci developed an early voice-communication device called the teletrofono, which used a copper tube and acidified water to transmit voice over short distances between rooms in his Staten Island home. Meucci continued refining his invention amid financial hardships and health issues, and in December 1871, he filed a patent caveat with the U.S. Patent Office for a "sound telegraph," describing a system that converted sound into electrical signals via a vibrating diaphragm and transmitted them through wires to a receiver. Although Meucci's caveat lapsed due to inability to pay renewal fees, it laid groundwork for later devices by demonstrating basic principles of acoustic-to-electrical conversion. A decade later, in 1861, German inventor and teacher constructed the first telephone prototype, known as the , which successfully transmitted musical tones and rudimentary sounds over a distance of about 340 feet using a vibrating connected to electrical contacts. Reis's device, publicly demonstrated that year, employed a "make-and-break" contact mechanism to convert vibrations into intermittent electrical pulses, but it could not reproduce clear, intelligible speech due to limitations in sustaining continuous signals. He named it the "telephon," marking an early use of the term, though the invention remained experimental and did not lead to commercial development before Reis's death in 1874. The pivotal breakthrough came in 1876 with Scottish-born inventor , who, working in with assistant , achieved the first practical . On March 7, 1876, Bell was granted U.S. No. 174,465 for an "Improvement in ," which described a method and apparatus for transmitting vocal sounds telegraphically using variable electrical resistance in a circuit. Just three days earlier, on March 10, 1876, Bell spilled acid on the bench and called to Watson in the next room, uttering the first intelligible sentence transmitted over a : "Mr. Watson, come here—I want to see you." This liquid-transmitter design, using a needle in acid to vary current with diaphragm vibrations, enabled clearer speech reproduction than prior attempts. Bell's patent faced immediate controversy, as American inventor independently filed a caveat on February 14, 1876—the same day Bell submitted his full application—outlining a similar telegraph with a water-based variable resistance transmitter for vocal sounds. Gray's filing, submitted hours after Bell's, sparked decades of legal disputes over priority, including allegations that Bell's lawyer accessed Gray's caveat details at the . Courts ultimately upheld Bell's in the 1880s Telephone Cases, affirming his invention despite the close timing, though the rivalry highlighted the competitive race in electrical acoustics. Initial commercial efforts followed swiftly, with Bell demonstrating the telephone publicly at the 1876 in , where it impressed officials like Brazilian Emperor Dom Pedro II. In July 1877, Bell, along with investors Gardiner Hubbard and Thomas Sanders, established the to manufacture and market the device, marking the transition from prototype to business venture. This entity laid the foundation for organized landline telephony, though widespread networks would develop later.

Expansion and Standardization

The commercialization of landline telephony began with the opening of the world's first commercial telephone exchange on January 28, 1878, in New Haven, Connecticut, operated by George W. Coy's District Telephone Company and initially serving 21 subscribers through a manual switchboard. This marked the transition from experimental devices to practical networks, enabling connected users to reach one another without direct wiring. In the United States, the formation of the American Telephone and Telegraph Company (AT&T) on March 3, 1885, as a subsidiary of the American Bell Telephone Company, centralized long-distance services and established a regulated monopoly that facilitated rapid infrastructure expansion across the country. Under AT&T's oversight, the U.S. network grew from localized exchanges to a nationwide system, with millions of miles of lines laid by the early 20th century, driven by patents and exclusive rights that minimized competition. Key technical advancements standardized and scaled landline operations in the late . Almon Strowger, a undertaker, patented the first practical automatic telephone switching system on March 10, 1891, which used electromechanical step-by-step selectors to route calls without human operators, addressing inefficiencies in manual exchanges. This innovation paved the way for the , introduced in the 1890s as part of enhanced Strowger systems, allowing users to input numbers via a finger wheel that generated electrical pulses for automated connections. By the 1920s, these developments supported broader adoption, including the inauguration of commercial transatlantic telephone service on January 7, 1927, via radio-assisted shortwave transmission between New York and , linking continents for the first time. Landline penetration accelerated in the interwar period, becoming commonplace in affluent households in the United States and United Kingdom by the 1930s, where urban and middle-class homes increasingly featured private lines amid growing economic prosperity. In the U.S., national household telephone access reached approximately 40% by 1930, concentrated among wealthier demographics. The post-World War II era brought a boom, with U.S. household penetration surging to about 80% by 1960—equating to roughly 78.9% of homes having telephone service—fueled by suburbanization, rising incomes, and federal policies promoting universal service through AT&T's expansion. International efforts to harmonize landline technologies emerged through the (ITU), which in the early 1900s advanced standardization for and , including protocols for voice transmission and early radio integration to ensure interoperability across borders. These initiatives, building on the 1906 International Radiotelegraph Convention, laid groundwork for consistent frequency allocations in hybrid wire-radio systems, supporting global network compatibility.

Technology

Analog Systems

Analog landline systems, commonly known as (POTS), rely on the transmission of continuous electrical signals over twisted-pair wires to enable voice communication. In these systems, the handset's , typically a carbon or type, converts acoustic sound waves from the user's voice into varying electrical currents that mimic the of the original sound, preserving the analog nature of the signal throughout the local loop. These signals are then propagated along the wires, which are twisted in pairs to minimize from adjacent lines. Signaling in analog systems employs (DC) for supervisory functions, such as detecting whether a telephone is on-hook or off-hook, powered by a nominal -48V battery at the central to maintain line integrity and provide talk battery. When a call is incoming, an (AC) ringing signal, typically 75-90V RMS at 20 Hz, is superimposed on the DC voltage to activate the 's ringer, alerting the user without interfering with the voice path. This hybrid use of DC for control and AC for alerting ensures reliable operation over the . The voice signals in analog landlines are band-limited to the human speech range of approximately Hz to 3400 Hz, which captures essential phonetic information while excluding inaudible extremes to optimize transmission efficiency. In multiplexed long-distance systems, each voice channel occupies a bandwidth of about 4 kHz, allowing multiple conversations to share a single through , though local loops remain dedicated analog paths. At the central office, electromechanical switches route calls by establishing dedicated circuits; early step-by-step (Strowger) switches used rotating selectors driven by dial pulses to progressively step through digits, while later crossbar switches employed electromagnetic grids to select and hold connections with minimal mechanical wear, enabling faster and more reliable switching for urban networks. These systems physically interconnect lines via wetted relays or magnetic crosspoints, providing a that dedicates bandwidth for the duration of a call. A key limitation of analog transmission over copper is signal , which increases with distance and frequency due to the cable's resistance and , potentially distorting voice quality beyond a few kilometers. This issue was mitigated by loading coils, inductors spaced along the line every 1-2 km, which counteract high-frequency losses by introducing controlled inductance; invented by Michael Pupin and patented in 1900 (filed 1899), these coils extended practical transmission distances to over 3,000 km for toll circuits without amplification. In a typical call setup, the user lifts the (going off-hook), which closes the telephone's loop circuit and draws a DC loop current of 20-50 mA from the central office battery, detected as a change from the on-hook state of near 0 mA, prompting the office to send a . Dialing then sends pulses or tones to select the destination, after which the switch completes the circuit, allowing bidirectional analog voice signals to flow.

Digital Systems

The transition to digital landline systems began in the 1970s, replacing analog switches with digital central offices that processed voice signals in binary form, improving efficiency, reliability, and the introduction of advanced features such as through enhanced signaling capabilities. A key innovation was (PCM), which converts analog voice into digital data by sampling the signal at 8 kHz—twice the highest frequency in human speech per the Nyquist theorem—quantizing each sample to 8 bits (yielding 256 levels), and encoding it into a 64 kbps stream per channel under the standard. This process ensures high-fidelity voice transmission while enabling for multiple calls over shared lines. In digital switches, time-division multiplexing (TDM) combines multiple PCM channels into frames for efficient transport; for example, North American T1 frames aggregate 24 channels (plus signaling) into a 1.544 Mbps signal, while European E1 frames handle 30 channels (plus signaling) at 2.048 Mbps. The PCM bit rate is calculated as: Bit rate=Sampling rate×Bit depth×Channels\text{Bit rate} = \text{Sampling rate} \times \text{Bit depth} \times \text{Channels} For a single voice channel, this yields 8000×8×1=64,0008000 \times 8 \times 1 = 64,000 bps. Pioneering systems like Nortel's DMS-100, introduced in 1979 after development in the late 1970s, exemplified this shift by serving up to 100,000 lines in class 5 offices with stored-program control for faster call handling and feature integration. Further evolution included the Integrated Services Digital Network (ISDN), standardized in 1988, which provided the (BRI) at 144 kbps—comprising two 64 kbps bearer channels for voice or data and one 16 kbps data channel for signaling—over existing copper lines, enabling simultaneous voice and low-speed data services. In modern hybrid systems, digital loop carriers (DLCs) extend this by converting analog signals from subscriber lines into digital TDM trunks, aggregating them for backhaul over fiber optic links to central offices, thus supporting legacy (POTS) while leveraging high-capacity fiber infrastructure.

Usage and Statistics

Global Overview

The global landline telephony market, primarily consisting of fixed voice services, is valued at approximately US$132.8 billion in revenue for 2025, with a projected (CAGR) of -2.85% from 2025 to 2029, underscoring the ongoing contraction driven by alternative communication technologies. This follows a broader decline in the sector, where fixed voice revenues have been pressured by the shift toward mobile and internet-based calling, resulting in negative growth trends observed since the early . Fixed-line subscriptions number around 840 million worldwide as of 2024, a decrease from approximately 880 million in 2023, and are expected to continue falling to about 824 million by 2026 at an average annual decline of 1.4%. This represents less than 10% of global households relying solely on traditional (PSTN) services, as mobile penetration has surpassed 100% in most regions. Penetration rates remain higher in developed nations, at 20-30 subscriptions per 100 people (e.g., around 26 in the United States), compared to under 5 per 100 in low-income developing areas where mobile alternatives dominate. A prominent trend is the increasing adoption of Voice over Internet Protocol (VoIP), which is forecasted to achieve approximately 21% global household penetration by 2031, further diminishing the market share of conventional landlines to around 10% by then.

Regional Variations

In , landline penetration remains relatively higher compared to global averages, with approximately 28% of U.S. households subscribing to traditional fixed-line telephone service as of 2025. In , the figure stands at around 72% of households, reflecting sustained use in certain demographics despite the rise of wireless alternatives. Regulatory frameworks in the region emphasize accessibility, particularly in rural areas; U.S. policies through the Universal Service Fund mandate support for affordable landline and deployment to ensure universal service obligations are met. Across , landline retention averages 15-20% in the , varying by country due to differing infrastructure legacies and transition timelines. The is actively transitioning from analog copper-based landlines to digital alternatives, with a regulatory mandate from requiring completion by 2027 to modernize the network and enhance reliability. In , penetration is notably higher at about 40%, supported by the enduring reliability of extensive networks maintained under Bundesnetzagentur oversight. In the region, landline adoption is generally low, with under 10% penetration in populous markets like and , as reported by the (ITU). Japan bucks this trend, with around 35% usage among elderly populations who prefer fixed lines for their stability and familiarity. Infrastructure investments have also impacted affordability; in , regulatory reforms and upgrades since have reduced fixed-line call costs by up to 90% in some segments, promoting greater viability for remaining users. Landline penetration in and the remains minimal, below 5% in most countries, constrained by challenges such as widespread cable theft and underdeveloped infrastructure. In , regulatory efforts by the Independent Communications Authority of South Africa (ICASA) address fixed-line market dynamics, including oversight of historical monopolies to foster while mitigating theft-related disruptions. A key regulatory example influencing fixed-line usage is the European Union's cap on intra-country and intra-EU calls at €0.19 per minute (plus VAT) since 2019, which has helped sustain the economic viability of landlines for cross-border communications by curbing excessive surcharges.

Decline and Successors

Rise of

The shift from landlines to accelerated in the late , with a pivotal milestone occurring in when global mobile subscriptions surpassed fixed-line subscriptions for the first time, marking a historic turning point in telecommunications history. This transition was driven by key technological enablers, including the launch of the Global System for Mobile Communications () standard in 1991, which introduced second-generation () digital networks and improved affordability through lower operational costs and better efficiency compared to analog systems. In the United States, mobile penetration reached approximately 40% by 2000, reflecting rapid adoption fueled by declining device prices and expanded network coverage. During the 2000s, the popularity of prepaid mobile plans further eroded landline dominance, particularly in countries where household landline penetration dropped from around 90% in the early decade to about 70% by , as consumers opted for flexible, no-contract mobile options that offered similar voice services at lower upfront costs. By the end of the decade, mobile subscriptions had grown exponentially, setting the stage for broader behavioral shifts away from fixed infrastructure. The 2010s saw an acceleration of this trend with the smartphone boom, epitomized by the release of the in 2007, which integrated voice calling with data services and apps, diminishing the perceived need for dedicated landlines as users embraced multifunctional mobile devices. Global mobile network coverage expanded to cover 85% of the world's population by 2019, enabling near-ubiquitous access and further solidifying mobile as the primary communication medium. In the 2020s, the ongoing rollout of networks starting in 2020 marginalized landlines further by offering high-speed, low-latency wireless alternatives capable of supporting voice-over-IP and seamless , leading to mobile-only households reaching about 80% in urban areas worldwide. By 2023, global mobile subscriptions had reached 8.9 billion, compared to roughly 1 billion fixed lines, underscoring the near-complete dominance of ; as of , these figures remain stable per ITU data.

Emergence of VoIP

Voice over Internet Protocol (VoIP) emerged as a transformative technology for voice communication in the mid-1990s, offering a packet-switched alternative to traditional circuit-switched landlines by transmitting voice data over the . The origins trace back to 1995, when VocalTec Communications released the first commercial VoIP software, Internet Phone, which enabled PC-to-PC audio calls over dial-up connections with modest bandwidth requirements of around 28.8 kbps. This innovation laid the groundwork for -based telephony, initially limited by latency and audio quality but demonstrating the feasibility of free or low-cost voice transmission without dedicated phone lines. Key technical advancements followed swiftly to standardize VoIP operations. The , initially drafted in 1996 by the working group, provided a signaling mechanism for initiating, maintaining, and terminating multimedia sessions, including call setup between endpoints. Complementing SIP, the , defined in RFC 1889 and published in January 1996, handled the real-time delivery of audio and video packets, incorporating timestamps and sequence numbers to manage jitter and ensure synchronized playback. These protocols addressed critical challenges in internet telephony, enabling reliable session management and media transport over IP networks. The commercial ascent of VoIP accelerated in the early 2000s, driven by consumer and enterprise applications. , launched in August 2003 by founders and , popularized VoIP with its intuitive interface for free video and voice calls, rapidly scaling to nearly 300 million monthly active users by 2010. In parallel, enterprise adoption surged through providers like Cisco Systems, whose IP telephony solutions, including the CallManager platform, gained traction in the mid-2000s; by 2004, Cisco reported accelerated deployment in businesses seeking integrated voice-data networks, with thousands of enterprises transitioning from legacy PBX systems. These developments shifted VoIP from niche software to mainstream infrastructure, fostering interoperability and scalability. By 2025, VoIP had matured into a dominant market force, valued at approximately $172 billion globally, reflecting widespread integration into fixed-line services as a successor to traditional telephony. This growth coincides with planned shutdowns of public switched telephone networks (PSTN), including the U.S. retirement of copper infrastructure by 2030 and the UK's deadline in 2027, as telecom providers migrate to IP-based systems to reduce maintenance costs and enhance efficiency. Hybrid models blending landline infrastructure with VoIP emerged to ease this transition; for instance, AT&T's U-verse Digital Phone service, rolled out in expansions around 2010, delivered VoIP over fiber-optic fixed lines, combining traditional phone numbering with internet protocol for improved reliability and features like voicemail-to-email. A primary driver of VoIP's proliferation has been its cost advantages, particularly for long-distance communication, where calls traverse the without per-minute fees, contrasting sharply with traditional landline charges that could exceed $0.10 per minute internationally. This near-free model for domestic and global calls has democratized access, enabling businesses and households to bypass expensive carrier tariffs while leveraging infrastructure for converged services.

Advantages and Disadvantages

Benefits of Landlines

Traditional analog landlines offer exceptional reliability during power outages, as they are powered by the central office battery systems of providers rather than household electricity, ensuring functionality when mobile phones fail. However, VoIP-based landline services require local power and may not work without user-provided backup. This capability is particularly vital for emergency communications, where the (FCC) mandates that landline providers maintain service continuity for 911 calls even during commercial power disruptions, achieving over 99.9% uptime in such scenarios for traditional systems. The audio quality of landline calls remains superior due to their consistent transmission range of 300 to 3,400 Hz, which captures essential voice frequencies without the compression artifacts or variable signal interference often experienced in mobile networks. This dedicated bandwidth delivers clearer, more natural-sounding conversations compared to cellular services, where environmental factors like can degrade performance. Security is a key strength of landlines, stemming from their physical wiring that minimizes exposure to cyber threats, as calls travel over closed circuits rather than internet-dependent pathways vulnerable to hacking or . Unlike alternatives, landlines also eliminate radiofrequency emissions, providing reassurance for users concerned about potential impacts from prolonged exposure. Landlines excel in ease of use, requiring no battery charging, signal searching, or complex interfaces, which makes them especially suitable for elderly individuals and residents in rural areas where mobile coverage may be inconsistent. Many traditional landline plans include unlimited local calling as a standard feature, simplifying communication without the need to monitor usage limits or data bundles. Cost predictability is another advantage, with flat monthly fees typically ranging from $20 to $40 for basic service, avoiding the overage charges or variable data costs associated with mobile plans. This structure provides stable budgeting, particularly for households focused solely on voice communication.

Limitations Compared to Alternatives

One primary limitation of landlines is their immobility, as they require a fixed physical connection to a specific via wiring, preventing users from making or receiving calls while on the move, unlike mobile phones that offer seamless portability across areas with cellular coverage. This tethered nature demands professional installation, with average costs for homeowners ranging from $109 to $271, and more complex setups exceeding $400, adding significant upfront barriers compared to the plug-and-play convenience of mobile devices. Landline infrastructure, predominantly based on aging copper networks, is increasingly vulnerable to failures due to deterioration and reduced maintenance investments by providers transitioning to digital systems. In the United States, this has led to heightened outage risks and extended repair times, as seen in incidents like the 2025 Newark Airport copper cable failure that disrupted operations until fiber alternatives were deployed. Similarly, in the United Kingdom, major providers such as BT are phasing out analogue copper landlines entirely by January 2027, compelling users to migrate to digital services and exposing gaps in legacy support. Additional costs for landline services often exceed those of alternatives, particularly for long-distance calling, where per-minute rates can range from about $0.02 to Mexico to $0.16 to China without a dedicated plan, in contrast to mobile carriers that frequently include unlimited domestic and select international calls in standard bundles starting at $25 monthly. Landlines also exclude integrated texting or data capabilities, necessitating separate mobile or internet subscriptions that inflate total expenses relative to smartphones' all-inclusive functionality. In terms of features, landlines remain confined to voice-only communication, lacking native support for applications, video calling, or GPS tracking—capabilities standard on smartphones—unless costly third-party add-ons are installed, which further lags behind the integrated and tools of mobile devices. Accessibility poses another challenge, as extending landline service to rural and low-density areas incurs high deployment and maintenance expenses due to the need for extensive cabling over challenging , resulting in persistent service gaps in many such areas where providers prioritize urban digital rollouts over legacy expansions. This infrastructure burden contributes to broader connectivity disparities, even as mobile and VoIP options gain traction in underserved locales.

References

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  10. https://www.cdc.gov/nchs/data/nhis/earlyrelease/wireless202506.pdf
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