![header thumbnail](/images/img-default-logo.png)
ENV 41005 : DRAFT 1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
![header thumbnail](/images/img-default-logo.png)
METHOD FOR THE SPECIFICATION OF BASIC AND SUPPLEMENTARY SERVICES OF PRIVATE TELECOMMUNICATION NETWORKS
23-07-2013
12-01-2013
1 SCOPE
2 FIELD OF APPLICATION
3 CONFORMANCE
4 REFERENCES
5 DEFINITIONS
5.1 Private Telecommunication Network
Exchange (PTNX)
5.2 Private Telecommunication Network
(PTN)
6 GENERAL PRINCIPLES AND REQUIREMENTS
6.1 Classification of Services
6.2 Basic Call
7 THE THREE-STAGE SPECIFICATION METHOD
7.1 Stage 1 of the Method
7.2 Stage 2 of the Method
7.2.1 Functional Entities
7.2.2 Functional Model
7.2.3 Information Flows
7.2.4 Sequences of Information Flows
7.2.5 Functional Entities involved in a Basic Call
7.2.6 Relationship between Supplementary Service
and Basic Call Functional Entities
7.3 Stage 3 of the Method
ANNEX A: (Informative) Informative References
ANNEX B: (Informative) Examples of Interworking for Basic
Calls and Supplementary Services between
PTN and Public ISDN
ANNEX C: (Normative) List of Acronyms and Abbreviations
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.