ATIS Telecom Glossary
Saturday, November 01, 2014

A B C D E F G H I
J K L M N O P Q R
S T U V W X Y Z  
Go
 
Glossary Home
Foreword
Introduction
Normative References
Using the ATIS Telecom Glossary
Annex A: Informative References
 
 
 
<< Back
essential service
A network-provided service feature in which a priority dial tone is furnished. Note 1: Essential service is typically provided to fewer than 10 % of network users. Note 2: Essential service is recommended for use in conjunction with NS/EP telecommunications services. Synonym critical service.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
For more information on the work related to these definitions,
please visit the ATIS website and the ATIS Document Center