Lucent Technologies Release 6 Manual Do Utilizador

Issue 5

May 1998

Glossary and Abbreviations 

Page GL-24

 

A CO other than the one providing local access to the public telephone network.

A telecommunications channel that directly connects the system to a CO other than its local CO.

An area code other than the local area code, that must be dialed to call outside the local 
geographical area.

Facilities Restriction Level

Foreign exchange

Generic 3 Management Applications

Generic 3 Management Terminal

Generic 3, RISC (Reduced Instruction Set Computer)

An enhancement to Automatic Alternate Routing/Automatic Route Selection (AAR/ARS) that 
performs routing based on call attributes, such as Bearer Capability Classes (BCCs), in addition to 
the address and facilities restriction level (FRL), thus facilitating a Uniform Dial Plan (UDP) that is 
independent of the type of call being placed.

The simultaneous seizure of a 2-way trunk by two communications systems, resulting in a standoff.

Group manager

General-purpose tone receiver

The number of call attempts that fail to receive service immediately. Grade of service is also 
expressed as the quantity of all calls that are blocked or delayed.

A trunk on which, for outgoing calls, the system transmits a request for services to a distant 
switching system by grounding the trunk ring lead. To receive the digits of the called number, that 
system grounds the trunk tip lead. When the system detects this ground, the digits are sent.

Generalized Route Selection