Agilent Technologies auroraSonata User Manual

aurora
Sonata
Hand Held ISDN Tester—User Guide
4-44 427869
Testing Service
Availability
This section explains how to test the availability of
telecommunications services for ISDN calls, and TEI
availability for X.25 operation.
Bearer services and teleservices
A bearer service (e.g. Data 64K) provides the basic capability
for transmission of signals between user-network interfaces. A
teleservice (e.g. Telex) provides the complete capability for
communication between users by means of terminals, network
functions etc., according to established protocols.

Agilent Technologies auroraSonata Specifications

General

Brand	Agilent Technologies
Model	auroraSonata
Category	Test Equipment
Language	English