Nortel Networks 9150 - Manual (Page 528)

498 Remote Gateway 9150 Installation and Administration Guide
Glossary Standard 3.1
NPA
Refer to Number Plan Area.
Number Plan Area
Area code
NVRAM
Non-Volatile Random Access Memory
O
OA&M
Operations, administration, and maintenance
object linking and embedding
A compound document standard that enables you to create objects with one
application and then link or embed them in a second application.
OEM
Original equipment manufacturer
online/offline table
The online/offline table is configured on the RLC. It allows you to schedule
times that the host PBX connection is made available to the remote site and at
which times all telephones at the remote site can use only the local telephone
service.
The online/offline table is used for controlling ISDN BRI costs.
Open System Interconnection
A worldwide communications standard that defines a framework for
implementing protocols in seven layers.
OS
Operating Standard
OSI
Refer to Open System Interconnection.