INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - SPECIFICATION, FUNCTIONAL MODEL AND INFORMATION FLOWS - PATH REPLACEMENT ADDITIONAL NETWORK FEATURE

International Organization for Standardization

INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - SPECIFICATION FUNCTIONAL MODEL AND INFORMATION FLOWS - ROUTE RESTRICTION CLASS ADDITIONAL NETWORK FEATURE

International Organization for Standardization

INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - CORPORATE TELECOMMUNICATION NETWORKS - SIGNALLING INTERWORKING BETWEEN QSIG AND SIP - BASIC SERVICES

International Organization for Standardization

INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - USE OF QSIG FOR MESSAGE CENTRE ACCESS (MCA) PROFILE STANDARD

International Organization for Standardization

INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - SPECIFICATION, FUNCTIONAL MODEL AND INFORMATION FLOWS - MESSAGE CENTRE MONITORING AND MAILBOX IDENTIFICATION SUPPLEMENTARY SERVICES

International Organization for Standardization

INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - SPECIFICATION, FUNCTIONAL MODEL AND INFORMATION FLOWS - MAKE CALL REQUEST SUPPLEMENTARY SERVICE

International Organization for Standardization

INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK (PISN) - INTER-EXCHANGE SIGNALLING PROTOCOL - MAKE CALL REQUEST SUPPLEMENTARY SERVICE

International Organization for Standardization

INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - INTER-EXCHANGE SIGNALLING PROTOCOL - MESSAGE CENTRE MONITORING AND MAILBOX IDENTIFICATION SUPPLEMENTARY SERVICES

International Organization for Standardization

INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - INTER-EXCHANGE SIGNALLING PROTOCOL - PRIVATE USER MOBILITY (PUM) - CALL HANDLING ADDITIONAL NETWORK FEATURES

International Organization for Standardization

INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - GENERIC FUNCTIONAL PROTOCOL FOR THE SUPPORT OF SUPPLEMENTARY SERVICES - INTER-EXCHANGE SIGNALLING PROCEDURES AND PROTOCOL

International Organization for Standardization