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USER FRIENDLY ALLOCATION OF DIALUP LINES IN A NETWORKED TRUNKING SYSTEM

IP.com Disclosure Number: IPCOM000007184D
Original Publication Date: 1994-Jun-01
Included in the Prior Art Database: 2002-Mar-04
Document File: 1 page(s) / 70K

Publishing Venue

Motorola

Related People

Elizabeth M. Kukovica: AUTHOR

Abstract

A user friendly interface provides a consistent and simple interface to the user. A telephone user expects to dial a number and wait for an audio line connection before talking. This user does not usu- ally require a dedicated line and will dial up a line on demand. A radio user, however, is accustomed to pushing a transmit button and talking immediately (i.e. in less than half a second). The timing con- straints do not allow for call processing that includes dialing up a line before talking. Another response that a radio user will accept in some circumstances is a busy indication when resources are unavailable.

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Technical Developments Volume 22 June 1994

USER FRIENDLY ALLOCATION OF DlALlJq LINES IN A NETWORKED TRUNKING SYSTEM

by Elizabeth M. Kukovica

  A user friendly interface provides a consistent and simple interface to the user. A telephone user expects to dial a number and wait for an audio line connection before talking. This user does not usu- ally require a dedicated line and will dial up a line on demand. A radio user, however, is accustomed to pushing a transmit button and talking immediately
(i.e. in less than half a second). The timing con- straints do not allow for call processing that includes dialing up a line before talking. Another response that a radio user will accept in some circumstances is a busy indication when resources are unavailable.

  In wide area trunking systems, where networking of 2 or more sites is required, use of dial up lines for communications links between the central control- ler and the sites is an option that may be desirable to some customers due to cost and availability of dedicated wireline services.

The following procedure makes the allocation of dialup lines transparent to the end users.

rent call is handled with a regular busy resources response. i.e. the call w,ill not wait for the dial up line to be set up.

  The controller can automatically dial up another inter-site line whenever there are a configurable num- ber of busies encountered within a pre-defined time period. The lines could also be dialed up at a pre- determined time o...