| Index: > 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 |
|
|||||
1. The queries and replies among communications equipment to determine the respective capabilities of each end of the communications link.
2. For layered systems, information exchanged between entities of a given layer, via the service provided by the next lower layer, to coordinate their joint operation.
Source: From Federal Standard 1037C