Mobile telecommunication services

portable device to make telephone calls using a radio link

thumb|An SMS message received on a Siemens SL55 Short Message Service (SMS) is a text messaging service component of most telephone, Internet and mobile device systems. It uses standardized communication protocols that let mobile phones exchange short text messages, typically transmitted over cellular networks.

WeChat or Weixin in Chinese () is an instant messaging, social media, and mobile payment app developed by Tencent. First released in 2011, it became the world's largest standalone mobile app in 2018 with over 1 billion monthly active users. The Chinese version of WeChat, Weixin, has been described as China's "app for everything" and a super-app because of its wide range of functions. WeChat provides text messaging, hold-to-talk voice messaging, broadcast (one-to-many) messaging, video conferencing, video games, mobile payment, sharing of photographs and videos and location sharing.

standard way to send messages

policy of permitting employees to bring personally owned mobile devices to their workplace, and to use those devices to access privileged company information and applications

communication protocol for mobile phones, aiming at replacing SMS and MMS messages with a system that is richer, provides phonebook polling (for service discovery), and transmit in-call multimedia via mobile data

Mobile network in Japan

"pay-as-you-go" mobile phone service

Indian government corruption case around telecommunications spectrum auctioning

identifying the location of a mobile phone

Djuice (short for 'digital juice') was a youth-based mobile phone plan from Telenor.

mobile notification service

mobile phone service billing model

Infobip is a Croatian IT and telecommunications company founded in 2006.

software company headquartered in Switzerland