!!! Overview
[{$pagename}] or a [Telephone Line] or [Telephone Circuit] (or just line or circuit within the industry) is a single-user circuit within a [Telecommunications] system.

[{$pagename}] is usually also implies a single [telephone number|Phone Number] for billing purposes reserved for that [Customer]. 

[{$pagename}] are used to deliver telephone service and [Digital Subscriber Line] ([DSL]) phone cable service to the premises. 

[{$pagename}] are connected to the [Public Switched Telephone Network].

[{$pagename}] may refer to a:
* [Land Line|Land Line] 
* [Mobile Line]
* [Digital Subscriber Line]

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]