SMS Technology and Its Impact Today

SMS technology has come a long way since its inception in the late 1990s. It's now a ubiquitous form of communication that's used by billions of people worldwide.

The first SMS was sent in 1992 by Neil Papworth, a British engineer, to a personal computer, not a mobile phone. This marked the beginning of a new era in mobile communication.

Today, SMS is used by over 5 billion mobile phone users globally, making it one of the most widely used communication technologies in the world.

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SMS technology originated from radio telegraphy in radio memo pagers that used standardized phone protocols. These protocols were defined in 1986 as part of the Global System for Mobile Communications (GSM) series of standards.

The first SMS message was sent on December 3, 1992, when Neil Papworth, a test engineer, sent "Merry Christmas" to the Orbitel 901 phone of colleague Richard Jarvis.

SMS technology has a rich history, dating back to the 1980s. German engineer Freidhelm Hillebrand and his colleague Bernard Ghillebaert created a system that allowed them to send basic messages through a telephone network in 1984.

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SMS technology was first used for the first time on December 3rd, 1992 in the United Kingdom. It wasn't until the late 1990s that it gained widespread popularity.

SMS has three main types: Short message mobile-terminated (SMS-MT), Short message mobile-originated (SMS-MO), and Short message cell broadcast.

Here are the three main types of SMS:

The concept of SMS was born in the early 1980s, with the first action plan for adding text messaging functionality to mobile devices approved in December 1982.

The SMS concept was developed in 1984 by Friedhelm Hillebrand and Bernard Ghillebaert, who identified a way to transport messages on the signalling paths needed to control telephone traffic during periods when no signalling traffic existed.

This innovative approach allowed unused resources in the system to be used to transport messages at minimal cost. The length of the messages was limited to 160 seven-bit characters to fit into the existing signalling formats.

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The first SMS message was sent over the Vodafone GSM network in the United Kingdom on December 3, 1992, from Neil Papworth to Richard Jarvis, with the message "Merry Christmas."

The first commercial deployment of a short message service center (SMSC) was by Aldiscon part of Logica with Telia in Sweden in 1993, followed by other networks in the US, Norway, and the UK.

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The initial concept of text messaging dates back to the early 1980s, with the first action plan of the CEPT Group GSM approved in December 1982.

This plan included the exchange of text messages either directly between mobile stations or transmitted via message handling systems in use at that time. The key idea for SMS was to use the telephone-optimized system to transport messages on the signalling paths needed to control the telephone traffic during periods when no signalling traffic existed.

In 1984, the SMS concept was developed by Friedhelm Hillebrand and Bernard Ghillebaert in the Franco-German GSM cooperation. They argued that 160 characters was sufficient for most brief communications based on their personal observations and analysis of the typical lengths of postcard and Telex messages.

A large base of SMS-capable terminals and networks existed when people began to use SMS, as it could be implemented in every mobile station by updating its software.

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The first commercial deployment of a short message service center (SMSC) was by Aldiscon part of Logica with Telia in Sweden in 1993, followed by Fleet Call in the US, Telenor in Norway, and BT Cellnet in the UK.

Most early GSM mobile phone handsets did not support sending SMS text messages, but Nokia was the only manufacturer whose total GSM phone line in 1993 supported user-sending of SMS text messages.

The first commercially sold SMS service was offered to consumers by Radiolinja in Finland in 1993, as a person-to-person text messaging service.

The Nokia 2010, released in January 1994, was the first mobile phone to support composing SMSes easily, according to Matti Makkonen, an engineer at Nokia at the time.

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SlickText is a powerful text messaging service for businesses, offering a range of features including mass texting, business texting, and automated texting.

SlickText is a 100% opt-in service, meaning you can't send messages to people who haven't explicitly agreed to receive them.

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Standard message and data rates may apply in the US and Canada, so be sure to factor that into your messaging plans.

You can use SlickText for MMS marketing, sending images and other multimedia content to your customers.

To learn more about SlickText's stance on spam and data privacy, view their anti-spam and privacy policies.

If you need help with SlickText, you can text HELP to 31996, and to opt-out of any SlickText service, text STOP to 31996.

Here are some of the services offered by SlickText:

Growth and adoption of SMS was slow at first. In 1995, customers sent an average of just 0.4 messages per GSM customer per month.

This was partly due to network restrictions, which only allowed customers to send messages to others on the same network. It wasn't until 1999 that this restriction was lifted.

By the end of 2000, the average number of messages per user per month had increased to 35. And on Christmas Day 2006, a staggering 205 million messages were sent in the UK alone.

SMS had become a social phenomenon in Finland among teens and youngsters by 1999. It was also extremely popular in the Philippines by 2001, earning the country the nickname "texting capital of the world".

Here's a comparison of SMS adoption in different countries in 2003:

SMS adoption was limited to parts of Europe and Asia during these earlier years, with U.S. adoption being low partly due to incompatible networks and cheap voice calls relative to other countries.

SMS has become a ubiquitous form of communication, especially in the early 2000s due to its reliability and widespread adoption.

The 160 character limit of SMS led to the creation of SMS language, where words are shortened to fit within the limit.

SMS has been increasingly challenged by internet protocol-based messaging services like Facebook Messenger and WhatsApp, which offer additional features for modern mobile devices.

In some regions, like North America, SMS continues to be used by over 80 percent of the population as of 2023.

Industry figures have created the RCS 'Universal Profile' initiative to create a modern successor to SMS that's fully interoperable between devices.

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In the early 2000s, SMS usage became increasingly prominent due to its ubiquity, reliability, and cold reception of the newer WAP standard.

SMS has a character limit, which led to the creation of the "SMS language" phenomenon, where words are shortened to fit within the 160 character limit.

The SMS language phenomenon is a result of the character limit, which forces users to get creative with their messaging.

In the early and mid 2000s, Multimedia Messaging Service (MMS) was developed as an improved version of SMS that supports sending of pictures and video.

MMS was an attempt to upgrade SMS, but it never quite gained the same level of adoption as SMS.

SMS has been challenged by Internet Protocol-based messaging services, such as Facebook Messenger, WhatsApp, Telegram, or WeChat, which offer additional features for modern mobile devices.

Between 2010 and 2022, SMS telecom revenue in India dropped 94 percent, while revenue share per user from data usage grew over 10 times.

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Some regions, like North America, still rely heavily on SMS, with over 80 percent of the population using it as of 2023.

Industry figures have created the RCS 'Universal Profile' initiative to create a modern successor to SMS that is fully interoperable between devices.

The RCS 'Universal Profile' initiative is supported by Apple, which will enable virtually all new mobile phones to have RCS texting capabilities starting with iOS 18 in 2024.

Here are some common use cases for SMS, which include:

Character limits in text messages can be a bit confusing, but essentially, a single SMS is limited to 160 GSM-7 characters.

However, most modern mobile phones can segment and reassemble messages up to 1,600 characters, which is a relief for those of us who tend to write a bit too much.

To fit emojis and other characters outside the GSM-7 alphabet, UCS-2 character encoding is used, which limits messages to 70 characters.

This limit was originally set because SMS was designed to fit in between existing phone protocols, and it's stuck around ever since.

The SMPP Protocol, which is how text messages are transmitted between carriers, also enshrines this limit, so it's not going anywhere anytime soon.

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Premium-rated services have come a long way since the first paid downloadable ringing tones were launched by Saunalahti in 1998.

The ringtone business globally had exceeded $1 billion in service revenues by 2002 and nearly $5 billion by 2008. This shows just how popular premium-rated services can be.

You can use premium-rated services to pay for things like bus tickets, beverages from ATMs, and even parking tickets. It's a convenient way to make small payments on the go.

In fact, premium-rated services are used for a wide range of applications, including mobile application stores, VIP section entrance, and even charitable donations.

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SMS has its limitations, and one of the most significant ones is its security. In fact, it's considered insecure due to its store-and-forward feature, which makes it vulnerable to attacks.

SMS messages are not end-to-end encrypted, which means they can be intercepted and read by malicious parties. Attack scenarios like SIM swap scams, SIM cloning attacks, and IMSI catcher attacks can allow a nefarious person to obtain SMSes intended for someone else.

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The Global Service for Mobile communications (GSM) is particularly vulnerable, with only the airway traffic between the Mobile Station (MS) and the Base Transceiver Station (BTS) optionally encrypted with a weak and broken stream cipher (A5/1 or A5/2).

Here are some of the security vulnerabilities inherent to SMS:

These vulnerabilities are a major concern, especially when it comes to using SMS for two-factor authentication (2FA). While it's better than not having any 2FA at all, it's generally not recommended due to the risk of interception and exploitation.

SMS message delivery is not guaranteed, and many implementations provide no mechanism for a sender to determine if a message has been delivered in a timely manner.

SMS messages are generally treated as lower-priority traffic than voice, which means they might not be delivered until long after their relevance has passed.

Around 1% to 5% of messages are lost entirely, even during normal operation conditions.

The unreliability of SMS has been questioned for use as an emergency notification service, as messages may not be delivered when they're most needed.

GSM networks, which have the greatest number of users worldwide, are vulnerable to several security threats. The airway traffic between the Mobile Station (MS) and the Base Transceiver Station (BTS) is only optionally encrypted with a weak and broken stream cipher (A5/1 or A5/2).

SMS messaging has some extra security vulnerabilities due to its store-and-forward feature, and the problem of fake SMS that can be conducted via the Internet.

In October 2005, researchers from Pennsylvania State University published an analysis of vulnerabilities in SMS-capable cellular networks, speculating that attackers might exploit the open functionality of these networks to disrupt them or cause them to fail, possibly on a nationwide scale.

SMS content is exposed to various vulnerabilities and attacks when a user is roaming, as it passes through different networks, including the Internet.

A nefarious person can intercept SMS messages and receive (or listen in on) phone calls intended for the victim, without the victim’s knowledge, using methods like SIM swap scams, SIM cloning attacks, and IMSI catcher attacks.

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India introduced regulations in September 2011 to limit telemarketers, but they were later ruled unconstitutional. However, the regulations did establish a cap of 3,000 SMS messages per subscriber per month, or an average of 100 per subscriber per day.

A single SMS is limited to 160 GSM-7 characters, which can be limiting if you need to send longer messages. Most modern mobile phones can segment and re-assemble messages up to 1,600 characters, but this is not always possible.

SMS message delivery is not guaranteed, and around 1% to 5% of messages are lost entirely, even during normal operation conditions. This can be a significant issue for emergency notification services.

The GSM network, which has the greatest worldwide number of users, succumbs to several security vulnerabilities. The authentication process is unilateral and vulnerable, and the airway traffic between the Mobile Station and the Base Transceiver Station is only optionally encrypted.

Here are some key limitations of SMS:

MMS messages can be expensive to send, especially if you're on a budget. If you're not careful, you might blow through your monthly text message credits in no time.

Not everyone can receive MMS messages, which can limit your reach. Some people may not have MMS enabled on their cellular plan, so it's essential to consider this before sending MMS messages.

If you want to send custom-designed photos or videos, you might need to hire someone to put them together for you, adding to your costs.

Here are some key differences between MMS and SMS costs:

This is because MMS requires more data to send than a standard SMS message. If you're on a plan with 1,000 text messages per month, an MMS message to 200 people would use significantly more credits than an SMS message.

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SMS can't handle pictures, videos, or multimedia attachments, so MMS was developed to enable people to send multimedia over text messaging channels. MMS stands for Multimedia Messaging Service.

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MMS always costs more than SMS, regardless of the automated texting software you're using. This is because it requires carriers to send more data than a standard SMS message.

An SMS message contains only text, while an MMS message contains both text and an image that goes along with the text. MMS messages can also include videos, audio clips, GIFs, and more.

MMS messages use two to three times the number of text message credits that a single SMS message would use. This can add up quickly, especially if you're sending messages to a large list.

You can send up to 1600 characters of text in an MMS message, which is 10x more than a standard SMS message. This can be helpful if you need to communicate a lot of information at once.

Ultimately, whether to use SMS or MMS depends on what your end users are more likely to engage with and what your use case is.

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SMS boasts a 5x open rate compared to email, making it an excellent way to communicate with customers.

Text messages from businesses are typically short and to the point, easy to read, informative, and persuasive. They often contain information such as sales, discounts, or promotions.

Research shows that 98% of all SMS messages are opened by the recipient, making it an attractive marketing channel for businesses.

Here are some key benefits of using SMS for business communication:

SMS is ideal for efficient and reliable customer outreach, providing a powerful tool for businesses to connect with their customers.

SMS is a powerful tool for communicating with customers, boasting a 5x open rate when compared to email. This makes it an attractive marketing channel for businesses.

Text messages from businesses are typically short and to the point, easy to read, informative, and persuasive. A business may send out a text message to customers that contains information such as sales, discounts, or promotions.

Research shows that 98% of all SMS messages are opened by the recipient, making it a reliable way to reach customers. This is significantly higher than email, where only 16.9% of messages are opened.

SMS is not the same as MMS, which allows users to send and receive pictures, videos, and audio files. With SMS, you can send short text messages to customers quickly and effectively.

Here are some key statistics about SMS for business:

These statistics demonstrate the effectiveness of SMS for business communication. By using SMS, businesses can reach customers quickly and reliably, making it an ideal tool for customer outreach.

Gateway providers play a crucial role in facilitating SMS traffic between businesses and mobile subscribers.

They can be classified as aggregators or SS7 providers, depending on their level of access to the SS7 protocol.

Aggregators lack direct access to the SS7 protocol and can't deliver SMS messages directly to subscribers' handsets.

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Instead, they rely on mobile carriers' SMSCs to handle message delivery.

SS7 providers, on the other hand, have direct access to the SS7 protocol, allowing them to route data directly through it.

This gives them total control and visibility of the complete path during SMS routing.

With this level of control, SS7 providers can offer full delivery guarantees of messages and optimized routing.

This model is particularly efficient in mission-critical messaging and corporate communications.

Branded SMS services with masking are also provided by these gateways.

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SMS technology uses a store-and-forward mechanism, where messages are stored on a network of servers before being forwarded to the intended recipient.

The SMSC (Short Message Service Center) is the heart of the SMS system, responsible for storing, forwarding, and delivering messages. It acts as a relay station between the sender and receiver.

SMS messages are typically limited to 160 characters, which is equivalent to about 1-2 sentences of text. This limitation is due to the technical constraints of the SMS protocol.

AT commands are used to control the sending and receiving of SMS messages on mobile and satellite transceiver units.

The connection between the terminal equipment and the transceiver can be made using a serial cable, a Bluetooth link, or an infrared link, among others.

Common AT commands include AT+CMGS (send message), AT+CMSS (send message from storage), AT+CMGL (list messages), and AT+CMGR (read message).

Not all modern devices support receiving of messages if the message storage is not accessible using AT commands.

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Interconnectivity with other networks is key to the functionality of SMS. It allows messages to be sent and received between different types of networks, including mobile and fixed networks.

Subscriber-originated messages can be sent from a handset to a service center, and may be destined for mobile users, fixed network subscribers, or Value-Added Service Providers (VASPs). This means that messages can be sent to a variety of recipients, including other mobile phones, fixed line phones, and even application servers.

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On some carriers, non-subscribers can send messages to a subscriber's phone using an Email-to-SMS gateway. This is done by sending an email to a special address, such as [email protected], which is then delivered as a text message to the recipient's phone.

Text-enabled fixed-line handsets are required to receive messages in text format. However, messages can be delivered to non-enabled phones using text-to-speech conversion.

SMS is used for M2M (Machine to Machine) communication, such as controlling an LED display machine or sending data from vehicle tracking devices. While GPRS services are slowly replacing SMS for these purposes due to lower costs, SMS is still widely used for its efficiency and reliability.

Here are some examples of how SMS is used in M2M communication:

The SS7 protocol's Mobile Application Part (MAP) has been supporting the transport of Short Messages through the Core Network since its inception, with a separate operation code for Mobile Terminated Short Message transport introduced in MAP Phase 2.

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MAP Phase 2 expanded support for SMS by introducing a separate operation code for Mobile Terminated Short Message transport. This change enabled more efficient handling of short messages.

CAMEL Phase 3, introduced in 3GPP Releases 99 and 4, allowed the Intelligent Network to control aspects of the Mobile Originated Short Message Service. This gave operators more control over the service.

CAMEL Phase 4, part of 3GPP Release 5 and onwards, provided the IN with the ability to control the Mobile Terminated service. Prior to standardized CAMEL control, IN control relied on switch vendor specific extensions to the Intelligent Network Application Part (INAP) of SS7.

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SMS is not going away anytime soon due to its widespread use on IoT edge devices and the fact that it doesn’t require a data plan.

Its lack of encryption is a major weakness, making it risky to send sensitive information via SMS.

For basic text messaging needs, SMS can still be a useful tool, especially since sending sensitive or private information over an end-to-end encrypted messaging service is preferable.

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SMS is not going away anytime soon due to its widespread use on IoT edge devices and the fact that it doesn't require a data plan.

Because of its lack of encryption, sending sensitive information via SMS is risky, as it could be intercepted.

For basic text messaging needs, SMS can still be a useful tool, especially since it's widely available on devices.

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Apple won't adopt RCS, and that's a fact. The company has refused to add RCS compatibility to its Messages app.

Google has been begging Apple to adopt RCS, but so far, no luck. Last year, Google launched a public campaign, but Apple ignored their pleas.

iMessage is a proprietary technology that's heavily integrated with iOS and iPhones, making it difficult to implement on Android devices. Apple won't license its iMessage technology to Google.

For now, iPhone-to-Android and Android-to-iPhone texting will rely on outdated and insecure SMS and MMS standards. Group messages initiated on an iPhone will still use these insecure standards if at least one group member has an Android phone.

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The SMS specification is maintained by the 3GPP organization, which ensures that SMS messages are sent and received correctly.

The SMS message size is limited to 140 bytes, which allows for a maximum of 160 7-bit characters, 140 8-bit characters, or 70 2-byte characters in languages like Chinese when using UTF-16 encoding.

Here's a breakdown of the character limits: