1. In Service Oriented Networks, the two basic uses of service are:
a)Something of value being provided to and consumed by end-users of communications networks. It may be a specific service, such as Verizon FIOS IPTV Premier or Acme Restaurant Finder, or it may be general, such as VoIP telephony service or emergency services.
b)A function that is performed by… (Read More →)

In personal communications service (PCS), the ability for the network to provide user access to features and to accept user service requests specifying the type of bearer services or supplementary service that the users want to receive from the PCS network.

A non-geographic NPA or ERC used for the purpose of providing access to a specific type of service.

1. A physical point at which a circuit may be accessed.
2. In an Open Systems Interconnection (OSI) layer, a point at which a designated service may be obtained.

A parameter value consistent with minimum service objectives that are necessary to support high-speed modems. When any parameter values exceeds the SAL, voiceband data performance may be adversely affected, depending on the performance of the remainder of the connection. [T1.506-1989]

Of a virtual connection section, the long-term percentage of scheduled service time during which that section is available. [After T1.504-1989]

A system overhead bit used for providing a network service, such as a request for a repetition or for a numbering sequence.
Note: A service bit is not a check bit.

Synonym orderwire circuit.

See class of service.

A two-digit code used in the EC-to-IC (exchange carrier-to-interexchange carrier) facility/service selective signaling protocol and the IC-to-EC facility/service selective signaling protocol that identifies the type of service requested. [T1.104-1991]