1 volume (various pagings) : illustrations ; 28 cm
OCLC
ocm23055677
Includes bibliographical references.
T1.113.1. Functional description of the integrated services digital network (ISDN), user part-- T1.113.2. General function of messages and signals-- T1.113.3. Formats and codes-- T1.113.4. Signaling procedures-- T1.113.5. Performance objectives in the ISDN application