ATIS - 1000621
Integrated Services Digital Network (ISDN) – User-to-User Signaling Supplementary Service
| Organization: | ATIS |
| Publication Date: | 1 September 1992 |
| Status: | inactive |
| Page Count: | 41 |
scope:
Scope and purpose
The user-to-user signaling supplementary service provides a means of communication used to exchange user information between two users. The exchange of user information is generally not a network acknowledged service. Acknowledgement of receipt of user information is not the responsibility of the network. Network notification of user information discard, due to the network's inability to transport the user information, shall be limited to notification sent to the user originating the discarded user information.
This standard is one of a series which defines and describes service capabilities within the context of an Integrated Service Digital Network (ISDN). It describes a single service capability which is a telecommunication transport capability. Such capability may be made available on a demand or a subscription arrangement. The interaction of this service capability with other ANSI defined service capabilities is also included. The purpose of the standard is to allow maximum compatibility among network and user owned telecommunications equipments in order to increase the attractiveness and usefulness of ISDNbased capabilities.
This standard specifies only the operation of UUS service (requested implicitly). The specifications for Service 1 requested explicitly, and Services 2 and 3 are for further study. Services 1, 2, and 3 are defined in CCITT Recommendation I.257.1.
Application
This service applies to an ISDN as described in the CCITT recommendations of the I-series and is intended to supplement the Basic Circuit Mode call procedures specified in ANSI T1.607 and ANSI T1.113.1) It should be used in conjunction with the other ANSI standards for ISDN supplementary services for a complete understanding of the interactions between this and other services.
This service may be applied to the following circuit mode bearer services identified in ANSI T1.603, and ANSI T1.604 for the ISDN basic and primary rate interfaces:
- speech;
- 3.1 kHz audio (voiceband data);
- 64 kbit/s unrestricted data.
Document History
