!!! 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:
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* [#1] - [Mobile_Application_Part|Wikipedia:Mobile_Application_Part|target='_blank'] - based on information obtained 2017-07-29-