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The SIM Registration Act is a Philippine law that requires mobile device users to register their SIM cards before activation. The law aims to curb cybercrimes, but has faced criticism and legal challenges from human rights and media groups.
Learn how telephone numbers are written and dialed in different countries and regions, according to the ITU recommendation E.123. Compare the formats, lengths, prefixes and codes of landline, mobile, toll free and service numbers.
Learn about the format, access codes, and area codes of telephone numbers in the Philippines, including the 02 area code for Metro Manila and Rizal. Find out how to dial domestic and international calls and the history of the open dial plan.
An alternative to inbound SMS is based on long numbers (international mobile number format, e.g., +44 7624 805000, or geographic numbers that can handle voice and SMS, e.g., 01133203040 [46]), which can be used in place of short codes or premium-rated short messages for SMS reception in several applications, such as TV voting, [49] product ...
An SMS center (SMSC) is responsible for handling the SMS operations of a wireless network. When an SMS message is sent from a mobile phone, it will first reach an SMS center. The SMS center then forwards the SMS message towards the destination. The main duty of an SMSC is to route SMS messages and regulate the process.
Textfree is a service that lets users send and receive texts and calls over the internet for free or with ads. It was developed by Pinger, Inc. in 2006 and has over 130 million users worldwide.
Mobile number portability (MNP) is a service that allows mobile phone users to keep their phone numbers when changing networks. Learn about the technical details, implementation, impact and history of MNP in different countries.
A direct-to-mobile gateway is a device that has built-in wireless GSM connectivity. It allows SMS text messages to be sent and/or received by email, from Web pages or from other software applications by acquiring a unique identifier from the mobile phone's Subscriber Identity Module, or "SIM card".