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Our mobile glossary contains all the related terminology specific to mobile and mobile security solutions.


  • 2G

    2G marked a significant advancement by transitioning from analogue to digital communication standards and introduced digital data services for mobile devices.

  • 3G

    3G is the third generation of cellular technology that was deployed on mobile networks and across mobile phones. It has since been replaced by 4G and 5G.

  • 4G

    4G represents a significant advancement over 3G and is characterised by faster data transfer rates, improved network capacity, and enhanced overall performance.

  • 5G

    5G delivers higher multi-Gbps peak data speeds, ultra low latency, more reliability, massive network capacity, increased availability, and a more uniform user experience to more users.


  • Airtime

    Mobile airtime refers to the amount of time for which a mobile phone user can make voice calls, send text messages, or use data services on their device.

  • Android

    An Android mobile device runs on the Android operating system (OS). Android is a mobile operating system and one of the most widely used operating systems for mobile devices globally.

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  • Bluetooth

    Bluetooth is a technology that enables devices to communicate wirelessly. Any device equipped with Bluetooth can communicate as long as it remains within the specified distance.

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  • Calling Plan

    A mobile calling plan, also known as a mobile phone plan or mobile service plan, allows users to make voice calls, send text messages, and use data on their mobile devices.

  • Coverage

    Mobile network coverage refers to the geographical extent or reach of a mobile telecommunications network.

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  • Dual Sim Card

    A dual SIM card refers to a mobile device or phone that is equipped with two SIM card slots, allowing the device to support and operate with two separate SIM cards simultaneously.

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  • eSIM

    An eSIM is a type of SIM card that is embedded directly into a smartphone, tablet, or smartwatch, eliminating the need for a physical, removable SIM card.

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  • GPRS

    GPRS, or General Packet Radio Service, was a notable advancement in mobile data services within the context of 2.5G technology.

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  • Handset

    A mobile handset is a portable electronic device used for wireless communication. It allows users to make and receive phone calls, send text messages, and access a variety of mobile services.

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  • IMEI number

    An IMEI number is a unique 15-digit number that serves as a distinct identifier for mobile phones. It is used to track and identify mobile devices on cellular networks.

  • International Roaming

    International roaming allows mobile phone users to make and receive calls, send text messages, and use data services while traveling outside their home country.

  • Internet of Things

    The Internet of Things (IoT) refers to the network of interconnected physical devices or "things" that communicate and exchange data with each other through the internet.

  • iOS

    iOS is the iPhone operating system, that is crafted for compatibility with Apple's multitouch devices.

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  • Microsoft Intune

    Microsoft Intune is a cloud-based service that falls under the category of Enterprise Mobility Management (EMM) and Mobile Device Management (MDM) solutions.

  • Mobile Application Management (MAM)

    Mobile Application Management (MAM) is the set of processes and technologies used by businesses to control and secure the lifecycle of mobile applications on users' devices.

  • Mobile Carrier

    A mobile carrier, also known as a wireless carrier, mobile operator, or telecommunications service provider, is a company that provides mobile communication services to users.

  • Mobile Data

    Mobile data is the wireless transmission of digital information between mobile devices and the internet or other networks.

  • Mobile Device Management (MDM)

    Mobile Device Management (MDM) is a type of software solution that allows organisations to manage and control mobile devices used by their employees.

  • Mobile Network

    A mobile network enables mobile devices to communicate wirelessly with each other and connect to the internet, allowing users to make calls, send messages, and access online services.

  • Mobile Phone Contract

    A mobile phone contract is a subscription-based agreement between a mobile service provider and a customer.

  • Mobile Security

    Mobile security involves safeguarding wireless computing devices from threats like malware, theft, and data breaches.

  • Mobile Signal Strength

    Mobile signal strength refers to the measurement of the wireless signal's power or intensity received by a mobile device from a cellular network.

  • Mobile Threat Defense (MTD)

    Mobile Threat Defense (MTD) tools are specialised security tools created to identify and shield mobile devices from cyber threats.

  • Mobile Voice Recording (MVR)

    Mobile Voice Recording (MVR) plays a crucial role in meeting regulatory requirements outlined by the FCA, the Dodd-Frank Act, and the MiFID directive.

  • Multi Network SIM

    Multi-network SIM cards access multiple or all the available networks within a given area. Unlike traditional single-network SIM cards, they are not bound to a specific network.

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  • PAC Code

    A PAC (Porting Authorisation Code) is a unique code provided by your current mobile network operator when you want to switch your mobile number to a different network.

  • PUK Code

    A Personal Unlocking Key (PUK) code is a unique code assigned to a mobile phone's SIM card.

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  • Service Plan

    A mobile service plan, often referred to simply as a mobile plan or phone plan, is a subscription-based service offered by mobile network operators to customers for using their mobile devices.

  • Service Provider

    A mobile service provider offers mobile communication services to users. These services include voice calling, text messaging, and data connectivity through mobile devices.

  • SIM lock

    When a phone is SIM-locked, it can only be used with a SIM card from the carrier that imposed the lock.

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  • Talk Time

    Talk time refers to the total duration or amount of time a mobile phone can be used for voice calls on a fully charged battery.

  • Teams Phone Mobile

    Microsoft Teams Phone Mobile enhances Public Switched Telephone Network (PSTN) connectivity within Microsoft Teams and Phone System, and is exclusively available on EE.

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  • Visual Voicemail

    Visual voicemail provides a visual interface for accessing voicemail messages. Unlike traditional voicemail systems, visual voicemail enables users to view their voicemails on their device's screen.

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  • WiFi Calling

    WiFi calling enables users to make and receive phone calls over a WiFi network rather than relying on a cellular network. This is useful when a stable WiFi connection is present.

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