1
Introduction
2 References
2.1 Normative References
2.2 Bibliography
3 Definitions relating to Circuit
Multiplication Equipment
4 Abbreviations
5 Requirements
5.1 Reasons for use of Circuit Multiplication Equipment (CME)
5.2 Integration of Circuit
Multiplication Equipment into the circuit-switched international network
5.3 Factors for signalling functions determination
5.3.1 Capabilities and limitations
5.3.2 Connection types supported on Circuit Multiplication Equipment links
5.4 Connection types and Circuit Multiplication Equipment techniques in the
context of signalling
6 Network aspects
6.1 Division of functionality between the International Switching Centre
and the Circuit Multiplication Equipment
6.2 Circuit Multiplication Equipment
dynamic load control process
6.3 Call set-up process
6.3.1 Seizure/select
6.3.2 Release
6.3.3 Dual seizure
6.4 Change of connection of type after
call set-up
6.5 Inter-dependency between dynamic
load control and call set-up process
7 Protocol
7.1 Control information elements between International Switching Centre and
Circuit Multiplication Equipment
7.2 Information elements for Type 1
Circuit Multiplication Equipment
7.3 Information elements for Type 2
Circuit Multiplication Equipment
7.4 Notification of dynamic load
control actions
8 Example systems
Annex A -
Interface based on time-slot 16 (frame 0-15)
Annex B - Interface based on time slot 16 (frame 1-15)
B.1 General
B.2 Physical level of interface
B.3 Distribution of functions between
DCME and ISC
B.3.1 DCME functions
B.3.2 ISC functions
B.4 Signalling code
B.5 Signalling procedures
B.5.1 Successful call set-up
B.5.2 Unsuccessful call set-up
B.5.3 Call release
B.5.4 Maintenance procedures