telephone number
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This document provides an overview of E.164 telephone number [E164]
portability in the Global Switched Telephone Network ...
... DNS Domain Name System
ENUM Telephone Number Mapping
ETSI European Tecommunications Standards Institute
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... Transaction Capabilities Application Part
TDMA Time Division Multiple Access
TN Telephone Number
TRIP Telephony Routing ...
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As there are several types of E.164 numbers (telephone numbers, or
just TN) in the GSTN, there are correspondingly several types of
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... The donor network is the network that first assigned a telephone
number (e.g., TN +1-202-533-1234) to a subscriber, out of a number
range administratively (e.g., +1 202-533) assigned to it. The
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... The LRN assigned to a switch currently serving a particular ported
telephone number is returned as the network routing address ...
... assigned to telephone operators in a large block of consecutive
telephone numbers (TNs). For example, in North America each of these
blocks contains 10,000 TNs and is of the format NXX+0000 to NXX+9999.
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... Instead of assigning an entire block to the operator, NP allows the
administrator to assign a sub-block or even an individual telephone
number. This is referred to as block pooling and individual
telephone number (ITN) pooling, respectively.
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... administrator to assign a sub-block or even an individual telephone
number. This is referred to as block pooling and individual
telephone number (ITN) pooling, respectively.
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... ITN pooling refers to the process whereby the number administrator
assigns individual telephone numbers to operators. Using the North
American example, one block of 10,000 TNs can be divided into 10,000
ITNs. ITN is more commonly deployed in freephone services ...
... candidates for such a common interface include ENUM (telephone number
mapping) [ENUM], Lightweight Directory Access Protocol (LDAP ...
... E.164 number. [ENUMPO]
outlines the principles for the operation of a telephone number
service that resolves telephone numbers ...
... ENUMPO]
implements a three-level approach where the first level is the
mapping of the telephone number delegation tree to the authority ...
... telephony service providers
do not "own" or control the telephone numbers under the NP
environment; therefore, they may not be the proper entities to have
the authority ...
... likely to be an entity designated by the end user that owns/controls
a specific telephone number, or one that is designated by the service
registrar.
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