OSPF
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Description
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OSS
Operations Support System
OTA
Over The Air
OTAR
Over-The-Air Rekeying
OTDOA
Observed Time Difference Of Arrival
OTDR
Abbreviation for optical time domain reflectometer.
other common carrier (OCC)
A communications common carrier--usually an interexchange carrier--that offers communications services in competition with AT&T and/or the established U. S. telephone local exchange carriers.
OUI
Organizationally Unique Identifier
out call
A universal personal telecommunications (UPT) call type that permits a UPT user to make calls from any terminal on any network, and have access to his/her subscribed services limited only by the serving and/or assisting network's capabilities. [T
1. Rpt 41-1995]
out-call registration
A feature that enables the universal personal telecommunications (UPT) user to register for outgoing calls from the current terminal address to allow outgoing calls to be made from that terminal address. When registered, upon accessing the UPT facilities, all outgoing UPT calls can be made from that terminal address for the duration specified by the UPT user (duration may also… (Read More →)
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