Ascotel IntelliGate 2025/2045/2065
Part 9 Glossary 1001
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E.164 1. Numbering plan identifier of the public network as per ITU-
T
2. Parameter value of parameter → NPI
Electromagnetic compatibility (EMC) Guarantee that the system does not propagate any electro-
magnetic interference fields that exceed standardized limits
and which could cause disruptions to other equipment and/or
systems in the vicinity. Protection against such fields originat-
ing from other equipment or systems in the vicinity.
Equipment Identification (EID) Equipment identification: Part of the → licensing information
Equipment Identification Module (EIM) Small, replaceable card containing the → licensing
information
Erlang Unit of traffic intensity during the busy period
Exchange Short for → public network
Exchange Access Access to an → exchange line circuit
Exchange access prefix Prefix of a call number that enables → exchange access
Exchange dial tone Dial tone supplied by the public network provider → Tone sig-
nalling in the handset.
Exchange line Designates the public network ↔ PBX transmission link; on the
PBX, connected to a → network interface.
Exchange line circuit Network interface to the connection to the public network.
Explicit call transfer (ECT) Explicit Call Transfer (ISDN supplementary service)
External Used for "public network" (the private network is not external
but PISN-internal).
External call Call from or into the public network.
External call number Call number of an incoming call from the public network with
NPI = E.164, also a call number in the public network.
External Remote Control (ERC) External remote control
External subscriber Subscriber in the public network
Featurephone (FP) All system terminals are featurephones, provided they are not
used as → key telephones or → Operator Consoles.
Gateway-PINX A PINX is a gateway PINX for the duration of a connection if it
routes that connection from the PISN to the public network or
vice versa.
Generic Access Profile (GAP) Standardized interface for mobile terminals.
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