Aastra DECT 142 (OMM SIP) Manuel d'utilisateur télécharger pdf (Page 6)

Installation, Administration and Maintenance

Aastra

depl-0794/2.0

Page: 6 (95)

GAP Generic Access Profile

•

GAP is the abbreviation for Generic Access Profile

•

The GAP standard (ETS 300 444) is based on the

same technology as DECT, but is limited to the most

important basic features. This standard was created in

order to allow telephones of different vendors to be

used on any type of DECT system. It thus represents

the smallest common denominator of all manufacturer-

specific variants of the DECT standard.

•

An important limitation in the GAP standard is that

external handover is not possible. For this reason

connection handover is used, which is supported by

GAP terminals.

•

The operation of GAP-capable telephones is

comparable to that of analogue terminals. For

example, features can be called up via ‘*’ and ‘#’

procedures.

Handover Handover

A handover is similar to roaming, but occurs during an

ongoing call. A handover normally takes place “in the

background”, without disrupting the call (seamless

handover).

IPEI International Portable Equipment Identity

• 13-digit identification code for PPs’

• Example: 00019 0592015 3

(the final digit is the checksum).

• The code is represented in decimal form.

• This code is globally unique.

PARK Portable Access Rights Key

Access code for the Portable Part. This code determines

whether a PP can access a particular DECT system. Use

for unique selection of a dedicated the system from a

handset at enrolment/subscription time. Labelled on the

OpenMobility CD and unique to each SIP-DECT

deployment.

Roaming Roaming

While in motion, the PP performs ongoing measurements

to determine wh

ich RFP is best received. The one that can

be best received is defined as the active RFP. To prevent

the PP from rapidly switching back and forth between two

RFPs’ that have similar signal strength, certain threshold

values are in effect.

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Aastra DECT 142 (OMM SIP) Manuel d'utilisateur Page 6

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