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07xxx xxx xxx—mobile phones and WiFi numbers. Individual mobile phone companies are allocated different ranges within the 071xx, 073xx, 074xx, 075xx, 07624, 077xx, 078xx and 079xx prefixes. Changes to mobile phone numbers in the Big Number Change were mostly straight replacements, such as Vodafone customers on the 0378 block became 07778.
The 0500 number range will be withdrawn during 2017, with users migrated to 0808 5 numbers. [39] Major mobile phone operators went through a period of charging callers to dial most freephone numbers from around 2005 onwards - but this practice largely ceased on 1 July 2015 as 0800 and 0808 numbers became universally free to call from mobiles ...
The 1 July changes also saw ‘freephone numbers’ 0800 and 0808 become free to call from both mobiles and landlines. 0500 numbers remained chargeable as previously from mobiles (free from landlines, also as previously), but these numbers were migrated to a new 0808 5 number range in June 2017, and are free from mobiles.
Short codes, or short numbers, are short digit-sequences—significantly shorter than telephone numbers—that are used to address messages in the Multimedia Messaging System (MMS) and short message service (SMS) systems of mobile network operators. [1] In addition to messaging, they may be used in abbreviated dialing.
Mobile phones use geographic area codes. Exchanges may service on mobile devices; local numbers are portable between wired and wireless carriers. While area code 600 has been established as a non-geographic code that can be used by mobile phones, the only significant mobile usage has been for satellite phone service in remote regions. Cape ...
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".
A key technical aspect of Mobile Number Portability (MNP) involves the routing of calls or mobile messages (SMS, MMS) to a number once it has been ported.Various call routing implementations exist globally, but the International and European best practice employs a central database (CDB) of ported numbers.
Before the UK Calling changes, calls to ‘Freephone’ numbers were generally free when called from a landline, however mobile users were usually charged for calling them. The 1 July legislation made all calls to 0800 and 0808 numbers free for consumers to dial from mobile phones, just as they are from landlines. [7]