ATIS Telecom Glossary
Tuesday, September 02, 2014

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X.-series Recommendations
Sets of data telecommunications protocols and interfaces defined by CCITT (now, ITU-T) Recommendations. Note: Some of the more common X.-series Recommendations are:

  • X.25: A Recommendation for public packet switched communications between a network user and the network itself.

  • X.75: A Recommendation for public packet switched communications between network hubs.

  • X.400: An addressing scheme for use with e-mail.

  • X.500: An addressing scheme for directory services.

 

 

 

 

 

 

 

 

 

 



 
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