1 Scope
2
Normative references
2.1 Identical Recommendations | International Standards
2.2 Paired Recommendations | International
Standards equivalent in technical content
2.3 Additional references
3 Definitions
3.1 Common definitions for MHS
3.2 Common definitions for Abstract Syntax
Notation One
3.3 Voice service definitions
3.4 Voice Messaging System Definitions
4 Abbreviations
5
Conventions
5.1 Terms
5.2 ASN.1
6 Information objects
7
Common data types
7.1 VM Identifier
7.2 OR Descriptor
7.3 Spoken Name
7.4 Extensions
8 Voice message
8.1 Heading fields
8.2 Body part types
9 Voice notifications
9.1 Common fields
9.2 Receipt notifications
9.3 Service notifications
9.4 Non-receipt notifications
10 Primary
object types
10.1 Voice messaging system user
10.2 Voice messaging system
11 Primary
port types
11.1 Origination port
11.2 Reception port
11.3 Management port
12 Abstract
operations
12.1 Origination abstract operations
12.2 Reception abstract operations
12.3 Management abstract operations
12.4 Performance of management operations
13 Abstract
errors
13.1 Subscription error
13.2 Recipient improperly specified
14 Other
capabilities
15 Secondary object types
15.1 VMGS user agent
15.2 VMGS message store
15.3 Telephone service access unit
15.4 Message transfer system
16 Secondary port types
16.1 Submission port
16.2 Delivery port
16.3 Retrieval port
16.4 Administration port
16.5 Import port
16.6 Export port
16.7 Management port
17 User
agent operation
17.1 Performance of origination operations
17.2 Invocation of reception operations
17.3 Internal procedures
18 Message
Store operation
18.1 Binding to the MS
18.2 Creation of Information Objects
18.3 Maintenance of attributes
18.4 Voice Messaging MS auto forward action
types
18.5 Voice messaging MS auto service
notification action type
18.6 Message store attributes
18.7 Procedures for Voice Messaging MS
19 Message
contents
19.1 Content
19.2 Content type
19.3 Content length
19.4 Encoded information types
20 Port
realization
21 Conformance
21.1 Origination versus reception
21.2 Requirements of a VMG conformance
statement
Annex A – VM
Object Identifiers – Reference definition
Annex B – VM Abstract Information
Objects – Reference definition
Annex C – VM Message Store attributes –
Reference definition
Annex D – Message Store VMGS
Auto-Action types – Reference definition
Annex E – VMGS functional objects –
Reference definition
Annex F – VMGS abstract service –
Reference definition
Annex G – VMGS upper bounds parameters
– Reference definition
Annex H – Mapping of G.726 (1990) and G.728 (1992) into the data component of a
voice body part
H.1 Illustrative mapping of the analogue/digital converted data
H.2 Support for CCITT Rec.
G.726 – 32 kbit/s ADPCM
H.3 Support for CCITT Rec. G.728 – 16 kbit/s LD-CELP
INDEX