EN 301 989 : 1.1.1
Current
Current
The latest, up-to-date edition.
CORPORATE TELECOMMUNICATION NETWORKS (CN); SIGNALLING INTERWORKING BETWEEN QSIG AND H.323; CALL COMPLETION SUPPLEMENTARY SERVICES
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Intellectual Property Rights
Foreword
Endorsement notice
Clause 3
Throughout the text of ISO/IEC 21991
History
| Committee |
ECMA
|
| DocumentType |
Standard
|
| Pages |
5
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Standards | Relationship |
| NEN EN 301989 : 2003 | Identical |
| PN EN 301 989 : 2005 | Identical |
| NF EN 301989 : 2003 | Identical |
| DIN EN 301989:2003-07 | Identical |
| NBN EN 301 989 : 2003 | Identical |
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