!!! Overview [{$pagename}] ([MAP]) is an [SS7] [protocol] that provides an [Application Layer] for the various nodes in [GSM] and [UMTS] mobile core [Mobile Networks] and [GPRS] core networks to communicate with each other in order to provide services to users. [{$pagename}] is the [Application Layer] [protocol] used to access the: * [Home Location Register] * [Visitor Location Register] * [Mobile Switching Center] * [Equipment Identity Register] * [Authentication Center] * [Short Message Service Center] ([SMSC]) * Serving [GPRS] Support Node ([SGSN]). !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }] ---- * [#1] - [Mobile_Application_Part|Wikipedia:Mobile_Application_Part|target='_blank'] - based on information obtained 2017-07-29-